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172
security advisoryUbuntukernelUbuntu 16.04 and 14.04 Apply Linux Kernel Security Updates for CVEs
Several security issues were fixed in the Linux kernel.. ========================================================================== Ubuntu Security Notice USN-8274-1 May 19, 2026 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-kvm: Linux kernel for cloud environments - linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty Details: 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: - Network drivers; - BTRFS file system; - Sun RPC protocol; - XFRM subsystem; (CVE-2022-49033, CVE-2024-27388, CVE-2024-49938, CVE-2024-50008, CVE-2024-50142) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS linux-image-4.4.0-1155-kvm 4.4.0-1155.166 Available with Ubuntu Pro linux-image-4.4.0-1192-aws 4.4.0-1192.207 Available with Ubuntu Pro linux-image-4.4.0-280-generic 4.4.0-280.314 Available with Ubuntu Pro linux-image-4.4.0-280-lowlatency 4.4.0-280.314 Available with Ubuntu Pro linux-image-aws 4.4.0.1192.196 Available with Ubuntu Pro linux-image-generic 4.4.0.280.286 Available with Ubuntu Pro linux-image-generic-lts-xenial 4.4.0.280.286 Available with Ubuntu Pro linux-image-kvm 4.4.0.1155.152 Available with Ubuntu Pro linux-image-lowlatency 4.4.0.280.286 Available with Ubuntu Pro linux-image-lowlatency-lts-xenial 4.4.0.280.286 Available with Ubuntu Pro linux-image-virtual 4.4.0.280.286 Available with Ubuntu Pro linux-image-virtual-lts-xenial 4.4.0.280.286 Available with Ubuntu Pro Ubuntu 14.04 LTS linux-image-4.4.0-1154-aws 4.4.0-1154.160 Available with Ubuntu Pro linux-image-4.4.0-280-generic 4.4.0-280.314~14.04.1 Available with Ubuntu Pro linux-image-4.4.0-280-lowlatency 4.4.0-280.314~14.04.1 Available with Ubuntu Pro linux-image-aws 4.4.0.1154.151 Available with Ubuntu Pro linux-image-generic-lts-xenial 4.4.0.280.314~14.04.1 Available with Ubuntu Pro linux-image-lowlatency-lts-xenial 4.4.0.280.314~14.04.1 Available with Ubuntu Pro linux-image-virtual-lts-xenial 4.4.0.280.314~14.04.1 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-8274-1 CVE-2022-49033, CVE-2024-27388, CVE-2024-49938, CVE-2024-50008, CVE-2024-50142 . Several security issues were fixed in Linux kernel for Ubuntu 16.04 and 14.04affecting various subsystems.. Ubuntu Kernel Security Issues, Linux Security Patches, Kernel Flaw Updates. . Severity: Important. LinuxSecurity.com Team
May 19, 2026
•Important
Ubuntu
100
security advisorySuSEDoSSUSE Linux Micro: 2025:20543-1 Important Kernel Btrfs Fix CVE-2025-22115
* bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 . # Security update for kernel-livepatch-MICRO-6-0_Update_6 Announcement ID: SUSE-SU-2025:20543-1 Release Date: 2025-08-01T08:37:43Z Rating: important References: * bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 CVSS scores: * CVE-2025-22115 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.1 An update that solves one vulnerability and has one fix can now be installed. ## Description: This update for kernel-livepatch-MICRO-6-0_Update_6 fixes the following issues: * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-kernel-64=1 ## Package List: * SUSE Linux Micro 6.1 (s390x x86_64) * kernel-livepatch-6_4_0-28-default-debuginfo-2-3.1 * kernel-livepatch-6_4_0-28-default-2-3.1 * kernel-livepatch-MICRO-6-0_Update_6-debugsource-2-3.1 ## References: * https://www.suse.com/security/cve/CVE-2025-22115.html * https://bugzilla.suse.com/show_bug.cgi?id=1241579 * https://bugzilla.suse.com/show_bug.cgi?id=1244337 . Urgent security patch for SUSE Linux Micro to address vulnerabilities linked to CVE-2025-22115. Please apply without delay.. SUSE Linux Micro, kernel update, btrfs issue, patch instructions. . Severity: Important. LinuxSecurity.com Team
Aug 05, 2025
•Important
SuSE
100
security advisorysecurity issueimportantSUSE: Kernel Livepatch Micro 6.0 Important Btrfs Fix 2025:20547-1
* bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 . # Security update for kernel-livepatch-MICRO-6-0-RT_Update_7 Announcement ID: SUSE-SU-2025:20547-1 Release Date: 2025-07-30T16:17:29Z Rating: important References: * bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 CVSS scores: * CVE-2025-22115 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.1 An update that solves one vulnerability and has one fix can now be installed. ## Description: This update for kernel-livepatch-MICRO-6-0-RT_Update_7 fixes the following issues: * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-kernel-59=1 ## Package List: * SUSE Linux Micro 6.1 (x86_64) * kernel-livepatch-6_4_0-30-rt-debuginfo-2-1.3 * kernel-livepatch-MICRO-6-0-RT_Update_7-debugsource-2-1.3 * kernel-livepatch-6_4_0-30-rt-2-1.3 ## References: * https://www.suse.com/security/cve/CVE-2025-22115.html * https://bugzilla.suse.com/show_bug.cgi?id=1241579 * https://bugzilla.suse.com/show_bug.cgi?id=1244337 . Update for SUSE Linux Micro addressing the btrfs block group reference count concurrency issue, enhancing overall system reliability.. SUSE Linux Micro, Kernel Update, Btrfs Fix, Security Patch. . Severity: Important. LinuxSecurity.com Team
Aug 05, 2025
•Important
SuSE
100
security advisorybuffer overflowSuSESUSE Issues Advisory 2025:20548-1 for Btrfs CVE-2025-22115 Kernel Flaw
* bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 . # Security update for kernel-livepatch-MICRO-6-0-RT_Update_6 Announcement ID: SUSE-SU-2025:20548-1 Release Date: 2025-08-01T07:30:37Z Rating: important References: * bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 CVSS scores: * CVE-2025-22115 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.1 An update that solves one vulnerability and has one fix can now be installed. ## Description: This update for kernel-livepatch-MICRO-6-0-RT_Update_6 fixes the following issues: * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-kernel-65=1 ## Package List: * SUSE Linux Micro 6.1 (x86_64) * kernel-livepatch-6_4_0-28-rt-debuginfo-2-3.1 * kernel-livepatch-6_4_0-28-rt-2-3.1 * kernel-livepatch-MICRO-6-0-RT_Update_6-debugsource-2-3.1 ## References: * https://www.suse.com/security/cve/CVE-2025-22115.html * https://bugzilla.suse.com/show_bug.cgi?id=1241579 * https://bugzilla.suse.com/show_bug.cgi?id=1244337 . Canonical publishes critical patch resolving the CVE-2025-21120 btrfs synchronization flaw present in Ubuntu 22.04.. SUSE Linux Micro, kernel patch, btrfs fix, security update. . Severity: Important. LinuxSecurity.com Team
Aug 05, 2025
•Important
SuSE
100
security advisorySuSEimportantSUSE Linux Micro 6.0 Security Advisory for Kernel-Livepatch ID 2025:20520-1
* bsc#1238912 * bsc#1241579 * bsc#1244337 Cross-References: . # Security update for kernel-livepatch-MICRO-6-0-RT_Update_5 Announcement ID: SUSE-SU-2025:20520-1 Release Date: 2025-07-30T16:17:29Z Rating: important References: * bsc#1238912 * bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-21772 * CVE-2025-22115 CVSS scores: * CVE-2025-21772 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-21772 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-22115 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.0 An update that solves two vulnerabilities and has one fix can now be installed. ## Description: This update for kernel-livepatch-MICRO-6-0-RT_Update_5 fixes the following issues: * CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912) * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-kernel-58=1 ## Package List: * SUSE Linux Micro 6.0 (x86_64) * kernel-livepatch-MICRO-6-0-RT_Update_5-debugsource-4-1.1 * kernel-livepatch-6_4_0-25-rt-debuginfo-4-1.1 * kernel-livepatch-6_4_0-25-rt-4-1.1 ## References: * https://www.suse.com/security/cve/CVE-2025-21772.html * https://www.suse.com/security/cve/CVE-2025-22115.html * https://bugzilla.suse.com/show_bug.cgi?id=1238912 * https://bugzilla.suse.com/show_bug.cgi?id=1241579 * https://bugzilla.suse.com/show_bug.cgi?id=1244337 . Addresses urgent vulnerabilities in SUSE Linux Micro 6.0, affecting partitionmanagement and btrfs capabilities. Prompt installation of updates is advised.. SUSE Linux Micro,btrfs issues,kernel-livepatch,security advisory,important fix. . Severity: Important. LinuxSecurity.com Team
Aug 04, 2025
•Important
SuSE
100
security advisorySuSEimportantSUSE Kernel-Livepatch Micro 6.0 Essential Update 2025:20528-1 Multiple CVEs
* bsc#1238912 * bsc#1241579 * bsc#1244337 Cross-References: . # Security update for kernel-livepatch-MICRO-6-0_Update_5 Announcement ID: SUSE-SU-2025:20528-1 Release Date: 2025-08-01T08:37:40Z Rating: important References: * bsc#1238912 * bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-21772 * CVE-2025-22115 CVSS scores: * CVE-2025-21772 ( SUSE ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-21772 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-22115 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.0 An update that solves two vulnerabilities and has one fix can now be installed. ## Description: This update for kernel-livepatch-MICRO-6-0_Update_5 fixes the following issues: * CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238912) * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-kernel-63=1 ## Package List: * SUSE Linux Micro 6.0 (s390x x86_64) * kernel-livepatch-6_4_0-25-default-debuginfo-4-1.2 * kernel-livepatch-MICRO-6-0_Update_5-debugsource-4-1.2 * kernel-livepatch-6_4_0-25-default-4-1.2 ## References: * https://www.suse.com/security/cve/CVE-2025-21772.html * https://www.suse.com/security/cve/CVE-2025-22115.html * https://bugzilla.suse.com/show_bug.cgi?id=1238912 * https://bugzilla.suse.com/show_bug.cgi?id=1241579 * https://bugzilla.suse.com/show_bug.cgi?id=1244337 . Kernel-Livepatch Micro 6.0 release addresses key security flaws. Updatenow for enhanced protection and improved system performance.. kernel livepatch, important update, SUSE Linux, btrfs issues. . Severity: Important. LinuxSecurity.com Team
Aug 04, 2025
•Important
SuSE
100
security advisoryupdateSuSESUSE Linux Micro 6.0: Important Kernel Livepatch CVE-2025-22115
* bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 . # Security update for kernel-livepatch-MICRO-6-0_Update_6 Announcement ID: SUSE-SU-2025:20529-1 Release Date: 2025-08-01T08:37:43Z Rating: important References: * bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 CVSS scores: * CVE-2025-22115 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * SUSE Linux Micro 6.0 An update that solves one vulnerability and has one fix can now be installed. ## Description: This update for kernel-livepatch-MICRO-6-0_Update_6 fixes the following issues: * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-kernel-64=1 ## Package List: * SUSE Linux Micro 6.0 (s390x x86_64) * kernel-livepatch-MICRO-6-0_Update_6-debugsource-2-3.1 * kernel-livepatch-6_4_0-28-default-debuginfo-2-3.1 * kernel-livepatch-6_4_0-28-default-2-3.1 ## References: * https://www.suse.com/security/cve/CVE-2025-22115.html * https://bugzilla.suse.com/show_bug.cgi?id=1241579 * https://bugzilla.suse.com/show_bug.cgi?id=1244337 . News regarding SUSE Linux Micro 6.0 resolves CVE-2025-22115, highlighting a critical update for kernel-livepatch-MICRO-6-0.. important kernel-livepatch update SUSE Linux Micro CVE-2025-22115. . Severity: Important. LinuxSecurity.com Team
Aug 04, 2025
•Important
SuSE
202
security advisoryDoSimportantopenSUSE: Linux Kernel Important Patch 2025:02514-1 CVE-2025-22115
An update that solves one vulnerability and has one security fix can now be installed.. # Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP6) Announcement ID: SUSE-SU-2025:02514-1 Release Date: 2025-07-24T18:04:15Z Rating: important References: * bsc#1241579 * bsc#1244337 Cross-References: * CVE-2025-22115 CVSS scores: * CVE-2025-22115 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2025-22115 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 An update that solves one vulnerability and has one security fix can now be installed. ## Description: This update for the Linux Kernel 6.4.0-150600_23_47 fixes several issues. The following security issue was fixed: * CVE-2025-22115: btrfs: fix block group refcount race in btrfs_create_pending_block_groups() (bsc#1241579). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.6 zypper in -t patch SUSE-2025-2514=1 * SUSE Linux Enterprise Live Patching 15-SP6 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-2514=1 ## Package List: * openSUSE Leap 15.6 (ppc64le s390x x86_64) * kernel-livepatch-6_4_0-150600_23_47-default-debuginfo-2-150600.2.1 * kernel-livepatch-SLE15-SP6_Update_10-debugsource-2-150600.2.1 * kernel-livepatch-6_4_0-150600_23_47-default-2-150600.2.1 * SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64) * kernel-livepatch-6_4_0-150600_23_47-default-debuginfo-2-150600.2.1 * kernel-livepatch-SLE15-SP6_Update_10-debugsource-2-150600.2.1 *kernel-livepatch-6_4_0-150600_23_47-default-2-150600.2.1 ## References: * https://www.suse.com/security/cve/CVE-2025-22115.html * https://bugzilla.suse.com/show_bug.cgi?id=1241579 * https://bugzilla.suse.com/show_bug.cgi?id=1244337 . Crucial safety enhancement released for the Linux Kernel, targeting CVE-2025-22115 flaws along with step-by-step setup guidelines.. Linux Kernel Update, Security Bulletin, SUSE Advisory, Patch Instructions. . Severity: Important. LinuxSecurity.com Team
Jul 24, 2025
•Important
OpenSUSE
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