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172
security advisorydenial of serviceupdateUbuntu 26.04 LTS LibreOffice USN-8534-1 Denial of Service Threat
Several security issues were fixed in LibreOffice.. ========================================================================== Ubuntu Security Notice USN-8534-1 July 13, 2026 libreoffice vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in LibreOffice. Software Description: - libreoffice: Office productivity suite Details: It was discovered that LibreOffice incorrectly handled importing DXF drawings. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-6039) It was discovered that LibreOffice incorrectly handled certain ODF number formats. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-6040) It was discovered that LibreOffice incorrectly handled importing EMF+ graphics. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-6045) It was discovered that LibreOffice incorrectly handled importing PPT presentations. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-8356) It was discovered that LibreOffice Calc incorrectly handled compiling certain formulas. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possily execute arbitrary code. (CVE-2026-8357) It was discovered that LibreOffice Calc incorrectly handled importing spreadsheet tracked changes. An attacker could use this issue to cause LibreOffice to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-8358) Updateinstructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS libreoffice 4:26.2.4.2-0ubuntu0.26.04.2 Ubuntu 24.04 LTS libreoffice 4:24.2.7-0ubuntu0.24.04.6 Ubuntu 22.04 LTS libreoffice 1:7.3.7-0ubuntu0.22.04.12 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8534-1 CVE-2026-6039, CVE-2026-6040, CVE-2026-6045, CVE-2026-8356, CVE-2026-8357, CVE-2026-8358 Package Information: https://launchpad.net/ubuntu/+source/libreoffice/4:26.2.4.2-0ubuntu0.26.04.2 https://launchpad.net/ubuntu/+source/libreoffice/4:24.2.7-0ubuntu0.24.04.6 https://launchpad.net/ubuntu/+source/libreoffice/1:7.3.7-0ubuntu0.22.04.12 . Several security issues in LibreOffice were fixed in Ubuntu, addressing potential denial of service attacks and code execution risks.. Free Software, Ubuntu Security, Desktop Applications. . LinuxSecurity.com Team
Jul 13, 2026
Ubuntu
172
security advisorydenial of servicecriticalUbuntu 26.04 PipeWire Critical Denial of Service Vuln USN-8535-1
Several security issues were fixed in PipeWire.. ========================================================================== Ubuntu Security Notice USN-8535-1 July 13, 2026 pipewire vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in PipeWire. Software Description: - pipewire: Low-latency, graph-based processing engine Details: It was discovered that PipeWire accepted unbounded Content-Length values in its RAOP module. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS. (CVE-2026-14324) It was discovered that PipeWire performed multiple unbounded stack allocations in its PulseAudio protocol server. A local attacker could possibly use this issue to cause a denial of service. (CVE-2026-14330) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS libpipewire-0.3-modules 1.6.2-1ubuntu1.1 libpipewire-0.3-modules-extra 1.6.2-1ubuntu1.1 libpipewire-0.3-modules-x11 1.6.2-1ubuntu1.1 libspa-0.2-modules 1.6.2-1ubuntu1.1 libspa-0.2-modules-extra 1.6.2-1ubuntu1.1 pipewire 1.6.2-1ubuntu1.1 pipewire-bin 1.6.2-1ubuntu1.1 pipewire-pulse 1.6.2-1ubuntu1.1 Ubuntu 24.04 LTS libpipewire-0.3-modules 1.0.5-1ubuntu3.3 libpipewire-0.3-modules-x11 1.0.5-1ubuntu3.3 libspa-0.2-modules 1.0.5-1ubuntu3.3 pipewire 1.0.5-1ubuntu3.3 pipewire-bin 1.0.5-1ubuntu3.3 pipewire-pulse 1.0.5-1ubuntu3.3 Ubuntu 22.04 LTS libpipewire-0.3-modules 0.3.48-1ubuntu3.2 libspa-0.2-modules 0.3.48-1ubuntu3.2 pipewire 0.3.48-1ubuntu3.2 pipewire-bin 0.3.48-1ubuntu3.2 pipewire-pulse 0.3.48-1ubuntu3.2 After a standard system update you need to restart pipewire to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8535-1 CVE-2026-14324, CVE-2026-14330 Package Information: https://launchpad.net/ubuntu/+source/pipewire/1.6.2-1ubuntu1.1 https://launchpad.net/ubuntu/+source/pipewire/1.0.5-1ubuntu3.3 https://launchpad.net/ubuntu/+source/pipewire/0.3.48-1ubuntu3.2 . Discover several security issues fixed in PipeWire affecting Ubuntu 22.04-26.04, including critical denial of service risks.. PipeWire Ubuntu Security Issues Denial of Service CVE-2026-14324. . LinuxSecurity.com Team
Jul 13, 2026
Ubuntu
172
security advisorydenial of serviceUbuntuUbuntu 26.04 libexif Important DoS Vulnerabilities USN-8531-1
Several security issues were fixed in libexif.. ========================================================================== Ubuntu Security Notice USN-8531-1 July 13, 2026 libexif vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in libexif. Software Description: - libexif: library to parse EXIF files Details: It was discovered that libexif had an integer overflow in its MakerNote decoder when called with a zero-length buffer. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-32775) It was discovered that libexif had an integer overflow in its Nikon MakerNote handler on 32-bit systems. A local attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-40385) It was discovered that libexif had an integer underflow in its size checking for Fuji and Olympus MakerNote decoding. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-40386) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS libexif12 0.6.25-2ubuntu0.1 Ubuntu 24.04 LTS libexif12 0.6.24-1ubuntu0.24.04.1 Ubuntu 22.04 LTS libexif12 0.6.24-1ubuntu0.22.04.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8531-1 CVE-2026-32775, CVE-2026-40385, CVE-2026-40386 Package Information: https://launchpad.net/ubuntu/+source/libexif/0.6.25-2ubuntu0.1 https://launchpad.net/ubuntu/+source/libexif/0.6.24-1ubuntu0.24.04.1 https://launchpad.net/ubuntu/+source/libexif/0.6.24-1ubuntu0.22.04.1 . Multiple security issues in libexif for Ubunturequire immediate updates to prevent potential attacks.. libexif security, Ubuntu update, software vulnerabilities. . LinuxSecurity.com Team
Jul 13, 2026
Ubuntu
172
security advisoryfile handlingUbuntuUbuntu OpenSSH Important File Handling Issues Vuln USN-8533-1
Several security issues were fixed in OpenSSH.. ========================================================================== Ubuntu Security Notice USN-8533-1 July 13, 2026 openssh vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in OpenSSH. Software Description: - openssh: secure shell (SSH) for secure access to remote machines Details: It was discovered that OpenSSH sftp did not properly constrain the location of downloaded files when connecting to an attacker-controlled server. An attacker could possibly use this issue to write files to unintended locations on the file system. (CVE-2026-59995) It was discovered that OpenSSH scp could place files in the parent directory of the intended destination when copying between two remote hosts. An attacker could possibly use this issue to write files to unintended locations. (CVE-2026-59996) It was discovered that OpenSSH internal-sftp only recognized the first nine command-line arguments, This could result in certain security-sensitive arguments being ignored, contrary to expectations. (CVE-2026-59997) It was discovered that OpenSSH had undocumented behaviour regarding the GSSAPIStrictAcceptorCheck option in environments using Windows Active Directory. The documentation has been updated to clarify use of the option. (CVE-2026-59998) It was discovered that OpenSSH did not properly enforce precedence of DisableForwarding=yes over PermitTunnel=yes in server configurations. This could possibly result in intended network forwarding restrictions being bypassed, contrary to expectations. (CVE-2026-59999) It was discovered that OpenSSH mishandled the MaxAuthTries limit for GSSAPI authentication. A remote attacker could use this issue to perform excessive authentication attempts. (CVE-2026-60000) It was discovered that OpenSSH did not always honour theminimum authentication delay. An attacker could possibly use this issue to perform brute-force attacks more efficiently. (CVE-2026-60001) It was discovered that the OpenSSH client had a use-after-free vulnerability when a server changed its host key during a key re-exchange. An attacker able to intercept communications could possibly use this issue to execute arbitrary code or obtain sensitive information. (CVE-2026-60002) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS openssh-client 1:10.2p1-2ubuntu3.4 openssh-server 1:10.2p1-2ubuntu3.4 Ubuntu 24.04 LTS openssh-client 1:9.6p1-3ubuntu13.18 openssh-server 1:9.6p1-3ubuntu13.18 Ubuntu 22.04 LTS openssh-client 1:8.9p1-3ubuntu0.16 openssh-server 1:8.9p1-3ubuntu0.16 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8533-1 CVE-2026-59995, CVE-2026-59996, CVE-2026-59997, CVE-2026-59998, CVE-2026-59999, CVE-2026-60000, CVE-2026-60001, CVE-2026-60002 Package Information: https://launchpad.net/ubuntu/+source/openssh/1:10.2p1-2ubuntu3.4 https://launchpad.net/ubuntu/+source/openssh/1:9.6p1-3ubuntu13.18 https://launchpad.net/ubuntu/+source/openssh/1:8.9p1-3ubuntu0.16 . Multiple security issues in OpenSSH patched for Ubuntu to enhance protection against potential attacks.. OpenSSH Security, Ubuntu SSH Issues, SSH Client Server Fix, File Transfer Vulnerabilities. . LinuxSecurity.com Team
Jul 13, 2026
Ubuntu
172
security advisorycriticalUbuntuUbuntu 26.04 LTS cifs-utils Critical Remote Code Execution USN-8496-3
cifs-utils could be made to run programs as an administrator.. ========================================================================== Ubuntu Security Notice USN-8496-3 July 13, 2026 cifs-utils vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: cifs-utils could be made to run programs as an administrator. Software Description: - cifs-utils: Common Internet File System utilities Details: USN-8496-1 fixed vulnerabilities in cifs-utils. The update caused a regression and was backed out in USN-8496-2. This update reintroduces the security fix, along with a fix for the regression. Original advisory details: It was discovered that cifs-utils incorrectly dropped root privileges before looking up user information. A local attacker could possibly use this issue to execute arbitrary code as the root user. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS cifs-utils 2:7.4-1ubuntu0.26.04.3 Ubuntu 24.04 LTS cifs-utils 2:7.0-2ubuntu0.5 Ubuntu 22.04 LTS cifs-utils 2:6.14-1ubuntu0.6 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8496-3 https://ubuntu.com/security/notices/USN-8496-2 https://ubuntu.com/security/notices/USN-8496-1 CVE-2026-12505 Package Information: https://launchpad.net/ubuntu/+source/cifs-utils/2:7.4-1ubuntu0.26.04.3 https://launchpad.net/ubuntu/+source/cifs-utils/2:7.0-2ubuntu0.5 https://launchpad.net/ubuntu/+source/cifs-utils/2:6.14-1ubuntu0.6 . A critical security advisory for Ubuntu addresses a cifs-utils issue allowing privilege escalation. Update now!. Ubuntu security,cifs-utils vulnerabilities,privilege escalation,system update. . LinuxSecurity.com Team
Jul 13, 2026
Ubuntu
172
security advisorydenial of servicecriticalUbuntu 26.04 24.04 libssh2 Critical DoS RCE Vulnerabilities USN-8532-1
Several security issues were fixed in libssh2.. ========================================================================== Ubuntu Security Notice USN-8532-1 July 13, 2026 libssh2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS Summary: Several security issues were fixed in libssh2. Software Description: - libssh2: Client-side C library implementing the SSH2 protocol Details: It was discovered that libssh2 incorrectly handled certain publickey subsystem attributes. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58050) It was discovered that libssh2 did not properly initialize publickey list entries before parsing. A remote attacker controlling a malicious SSH server could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58051) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS libssh2-1t64 1.11.1-1ubuntu0.26.04.3 Ubuntu 24.04 LTS libssh2-1t64 1.11.0-4.1ubuntu0.24.04.3 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8532-1 CVE-2026-58050, CVE-2026-58051 Package Information: https://launchpad.net/ubuntu/+source/libssh2/1.11.1-1ubuntu0.26.04.3 https://launchpad.net/ubuntu/+source/libssh2/1.11.0-4.1ubuntu0.24.04.3 . Recent fixes for libssh2 address critical security issues in Ubuntu affecting remote code execution and denial of service.. Ubuntu libssh2 security fix, remote code execution Ubuntu, denial of service vulnerability, libssh2 issues, security update Ubuntu. . LinuxSecurity.com Team
Jul 13, 2026
Ubuntu
172
security advisoryprivilege escalationUbuntuUbuntu 18.04 AWS Kernel Important Privilege Escalation Flaws USN-8530-1
Several security issues were fixed in the Linux kernel.. ========================================================================== Ubuntu Security Notice USN-8530-1 July 10, 2026 linux-aws, linux-aws-fips vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-aws-fips: Linux kernel for Amazon Web Services (AWS) systems with FIPS Details: It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-43284) It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-43503) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - InfiniBand drivers; - SCSI subsystem; - Thermal drivers; - USB over IP driver; - Network file system (NFS) server daemon; - SMB network file system; - Tracing infrastructure; - B.A.T.M.A.N. meshing protocol; - Ethernet bridge; - Ceph Core library; - DCCP (Datagram Congestion Control Protocol); - IPv4 networking; - IPv6 networking; - Netfilter; - RxRPC session sockets; - X.25 network layer; (CVE-2021-47202, CVE-2024-56643, CVE-2026-23272, CVE-2026-23455, CVE-2026-31402, CVE-2026-31607, CVE-2026-31637, CVE-2026-31659, CVE-2026-31682,CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43383, CVE-2026-43407, CVE-2026-43414, CVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46243) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS linux-image-4.15.0-1194-aws 4.15.0-1194.207 Available with Ubuntu Pro linux-image-4.15.0-2132-aws-fips 4.15.0-2132.138 Available with Ubuntu Pro linux-image-aws-4.15 4.15.0.1194.192 Available with Ubuntu Pro linux-image-aws-fips 4.15.0.2132.126 Available with Ubuntu Pro linux-image-aws-fips-4.15 4.15.0.2132.126 Available with Ubuntu Pro linux-image-aws-lts-18.04 4.15.0.1194.192 Available with Ubuntu Pro After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. References: https://ubuntu.com/security/notices/USN-8530-1 CVE-2021-47202, CVE-2024-56643, CVE-2026-23272, CVE-2026-23455, CVE-2026-31402, CVE-2026-31607, CVE-2026-31637, CVE-2026-31659, CVE-2026-31682, CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43284, CVE-2026-43383, CVE-2026-43407, CVE-2026-43414, CVE-2026-43503, CVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46243 . Multiple security flaws in Ubuntu's Linux kernel require updates to maintain system integrity and prevent threats.. Ubuntu Linuxkernel Security Privilege Escalation AWS. . LinuxSecurity.com Team
Jul 10, 2026
Ubuntu
172
security advisorycriticalprivilege escalationUbuntu 18.04 Linux Kernel Critical Flaw Privilege Escalation USN-8529-1
Several security issues were fixed in the Linux kernel.. ========================================================================== Ubuntu Security Notice USN-8529-1 July 10, 2026 linux, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp-4.15, linux-gcp-fips, linux-kvm, linux-oracle vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux: Linux kernel - linux-azure-4.15: Linux kernel for Microsoft Azure Cloud systems - linux-azure-fips: Linux kernel for Microsoft Azure Cloud systems with FIPS - linux-fips: Linux kernel with FIPS - linux-gcp-4.15: Linux kernel for Google Cloud Platform (GCP) systems - linux-gcp-fips: Linux kernel for Google Cloud Platform (GCP) systems with FIPS - linux-kvm: Linux kernel for cloud environments - linux-oracle: Linux kernel for Oracle Cloud systems Details: It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-43503) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - InfiniBand drivers; - SCSI subsystem; - Thermal drivers; - USB over IP driver; - Network file system (NFS) server daemon; - SMB network file system; - Tracing infrastructure; - B.A.T.M.A.N. meshing protocol; - Ethernet bridge; - Ceph Core library; - DCCP (Datagram Congestion Control Protocol); - IPv4 networking; - IPv6 networking; - Netfilter; - RxRPC session sockets; - X.25 network layer; (CVE-2021-47202, CVE-2024-56643, CVE-2026-23272, CVE-2026-23455, CVE-2026-31402, CVE-2026-31607, CVE-2026-31637,CVE-2026-31659, CVE-2026-31682, CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43383, CVE-2026-43407, CVE-2026-43414, CVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46243) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS linux-image-4.15.0-1149-fips 4.15.0-1149.161 Available with Ubuntu Pro linux-image-4.15.0-1156-oracle 4.15.0-1156.167 Available with Ubuntu Pro linux-image-4.15.0-1176-kvm 4.15.0-1176.181 Available with Ubuntu Pro linux-image-4.15.0-1187-gcp 4.15.0-1187.204 Available with Ubuntu Pro linux-image-4.15.0-1204-azure 4.15.0-1204.219 Available with Ubuntu Pro linux-image-4.15.0-2095-gcp-fips 4.15.0-2095.101 Available with Ubuntu Pro linux-image-4.15.0-2112-azure-fips 4.15.0-2112.118 Available with Ubuntu Pro linux-image-4.15.0-253-generic 4.15.0-253.265 Available with Ubuntu Pro linux-image-4.15.0-253-lowlatency 4.15.0-253.265 Available with Ubuntu Pro linux-image-azure-4.15 4.15.0.1204.172 Available with Ubuntu Pro linux-image-azure-fips 4.15.0.2112.108 Available with Ubuntu Pro linux-image-azure-fips-4.15 4.15.0.2112.108 Available with Ubuntu Pro linux-image-azure-lts-18.04 4.15.0.1204.172 Available with Ubuntu Pro linux-image-fips 4.15.0.1149.146 Available with Ubuntu Pro linux-image-gcp-4.15 4.15.0.1187.200 Available with Ubuntu Pro linux-image-gcp-fips 4.15.0.2095.93 Available with Ubuntu Pro linux-image-gcp-fips-4.15 4.15.0.2095.93 Available with Ubuntu Pro linux-image-gcp-lts-18.04 4.15.0.1187.200 Available with Ubuntu Pro linux-image-generic 4.15.0.253.237 Available with Ubuntu Pro linux-image-kvm 4.15.0.1176.167 Available with Ubuntu Pro linux-image-lowlatency 4.15.0.253.237 Available with Ubuntu Pro linux-image-oracle-4.15 4.15.0.1156.161 Available with Ubuntu Pro linux-image-oracle-lts-18.04 4.15.0.1156.161 Available with Ubuntu Pro linux-image-virtual 4.15.0.253.237 Available with Ubuntu Pro After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. References: https://ubuntu.com/security/notices/USN-8529-1 CVE-2021-47202, CVE-2024-56643, CVE-2026-23272, CVE-2026-23455, CVE-2026-31402, CVE-2026-31607, CVE-2026-31637, CVE-2026-31659, CVE-2026-31682, CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43383, CVE-2026-43407, CVE-2026-43414, CVE-2026-43503, CVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46243 . Several security issues in Ubuntu's Linux kernel fixed with crucial updates. Critical patches necessary for system protection.. Linux kernel security, Ubuntu kernel update, privilegeescalation fix. . LinuxSecurity.com Team
Jul 10, 2026
Ubuntu
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