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Ubuntu 25.10 kmod Critical Algif_aead Privilege Escalation USN-8226-1

Ubuntu 26.04 LTS nginx Critical Denial of Service 2026-42945

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Debian OpenSSH Critical DSA-6204-1 CVE-2026-3497 Remote DoS Execution

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security advisorykernel patchRed Hat Enterprise Linux

Red Hat Enterprise Linux 8.6: RHSA-2023:1660-01 Important Kpatch-Patch

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:1660-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1660 Issue date: 2023-04-05 CVE Names: CVE-2023-0266 CVE-2023-0386 ==================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux BaseOS EUS (v.8.6) - ppc64le, x86_64 3. Description: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266) * kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2159505 - CVE-2023-0386 kernel: FUSE filesystemlow-privileged user privileges escalation 2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF 6. Package List: Red Hat Enterprise Linux BaseOS EUS(v.8.6): Source: kpatch-patch-4_18_0-372_26_1-1-6.el8_6.src.rpm kpatch-patch-4_18_0-372_32_1-1-5.el8_6.src.rpm kpatch-patch-4_18_0-372_36_1-1-4.el8_6.src.rpm kpatch-patch-4_18_0-372_40_1-1-4.el8_6.src.rpm kpatch-patch-4_18_0-372_41_1-1-3.el8_6.src.rpm kpatch-patch-4_18_0-372_46_1-1-1.el8_6.src.rpm ppc64le: kpatch-patch-4_18_0-372_26_1-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_26_1-debuginfo-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_26_1-debugsource-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-debuginfo-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-debugsource-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-debuginfo-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-debugsource-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-1.el8_6.ppc64le.rpm x86_64: kpatch-patch-4_18_0-372_26_1-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_26_1-debuginfo-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_26_1-debugsource-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-debuginfo-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-debugsource-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-debuginfo-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-debugsource-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-1.el8_6.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key 7. References: https://access.redhat.com/security/cve/CVE-2023-0266 https://access.redhat.com/security/cve/CVE-2023-0386 https://access.redhat.com/security/updates/classification#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZC2QfNzjgjWX9erEAQgNNg/9Eho8CXtXoHqZQdLrGhk/KvGhNdZ75hDt nARC7hATfax98FiwvYMvEcL9ZdBGzrxcsd9yXmE+TT8pKlu2x2AX10Y8EAKg76GX YSWS6YpVHmrxi2pV7w5WjPqY+Xz7pbTxhCqXxJF6AeiaDgpq29N8XxlIwy12VNey N6RuS9pUQ9JjuE3RnxYdWUD1AzHFjM9OZsSs1jEJr9RLKzoYHuo9SD+Md7PAyaba ifrzTxNOcAfbZME1O30dObcKgJM10No4gTvxrwA7V6ZSHMNl9qn9mtKFdGrqnl70 RHXL4NkeJJJ2yDw9SEqQevc/tPfP2rqEenn35UK6smANdXNL2OQ1GLXnCu+rF6e9 KOltIkQJ+ypYU5ot5g6KsvlCB4vXJ1FJe5aBAhHrKpuQds7IkyNoy9mPoIs/Mjen bS2dX7AsI3uT28qxkrsEQRGS9Okh2FsMQjjLe+f0KeerxA8e5feVJBRUS42Schab TTw2NU5W+sfRa20kDcm/fkt/7Ft8qFRnUHqAbJTlvvepL8hodl2RtU0eymACVk0T kTRK44aoZJFbLAbTuiQHFlDTnWi+0O2PoFga5l5XhbF/9zc6hk29rR0hM1BbcHje LBWtNTttvPBwBg5hv1/VvCniiIVMPYvcRYg5RDAA3knXd5IEtOats4UBTTxnVg0W sQWzQbcINb0=plbD -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Crucial kpatch-patch security enhancement released for Red Hat Enterprise Linux 8.6 targeting significant vulnerabilities and threats.. kpatch-patch Update, Red Hat Enterprise Security, Kernel Patch Management. . Severity: Important. LinuxSecurity.com Team

Apr 05, 2023 •Important Red Hat

security advisorysecurity fixkernel patch

Red Hat Enterprise Linux 8.2: RHSA-2021-1295-01 Important Kernel Fix

An update is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:1295-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1295 Issue date: 2021-04-20 CVE Names: CVE-2021-3347 CVE-2021-27364 CVE-2021-27365 ==================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - ppc64le, x86_64 3. Description: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * kernel: Use after free via PI futex state (CVE-2021-3347) * kernel: out-of-bounds read in libiscsi module (CVE-2021-27364) * kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1922249 - CVE-2021-3347 kernel: Useafter free via PI futex state 1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem 1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v.8.2): Source: kpatch-patch-4_18_0-193-1-13.el8.src.rpm kpatch-patch-4_18_0-193_13_2-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_14_3-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_19_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_1_2-1-11.el8_2.src.rpm kpatch-patch-4_18_0-193_28_1-1-6.el8_2.src.rpm kpatch-patch-4_18_0-193_29_1-1-6.el8_2.src.rpm kpatch-patch-4_18_0-193_37_1-1-6.el8_2.src.rpm kpatch-patch-4_18_0-193_40_1-1-6.el8_2.src.rpm kpatch-patch-4_18_0-193_41_1-1-6.el8_2.src.rpm kpatch-patch-4_18_0-193_46_1-1-3.el8_2.src.rpm kpatch-patch-4_18_0-193_47_1-1-3.el8_2.src.rpm kpatch-patch-4_18_0-193_6_3-1-10.el8_2.src.rpm ppc64le: kpatch-patch-4_18_0-193-1-13.el8.ppc64le.rpm kpatch-patch-4_18_0-193-debuginfo-1-13.el8.ppc64le.rpm kpatch-patch-4_18_0-193-debugsource-1-13.el8.ppc64le.rpm kpatch-patch-4_18_0-193_13_2-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_13_2-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_13_2-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_1_2-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_1_2-debuginfo-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_1_2-debugsource-1-11.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-debuginfo-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-debugsource-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-debuginfo-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-debugsource-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-6.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_6_3-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_6_3-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_6_3-debugsource-1-10.el8_2.ppc64le.rpm x86_64: kpatch-patch-4_18_0-193-1-13.el8.x86_64.rpm kpatch-patch-4_18_0-193-debuginfo-1-13.el8.x86_64.rpm kpatch-patch-4_18_0-193-debugsource-1-13.el8.x86_64.rpm kpatch-patch-4_18_0-193_13_2-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_13_2-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_13_2-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_14_3-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_14_3-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_14_3-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_1_2-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_1_2-debuginfo-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_1_2-debugsource-1-11.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-debuginfo-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-debugsource-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-debuginfo-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-debugsource-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-6.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_6_3-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_6_3-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_6_3-debugsource-1-10.el8_2.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key 7. References: https://access.redhat.com/security/cve/CVE-2021-3347 https://access.redhat.com/security/cve/CVE-2021-27364 https://access.redhat.com/security/cve/CVE-2021-27365 https://access.redhat.com/security/updates/classification#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBYH8+i9zjgjWX9erEAQghTRAAiI0aaLICuaDJA1merZhXwTYXOpcr0kyU Qc9dxZqoy5wLUt2nvbxCD7H85DWY3KHQcu58oM26saGSOCChMoV1N5gRAxozSxYw PfHBzcIpjdObaKjWeaPJo26WS3Exrw6LeAKbM0KJ/0wG9ehovHSRwo+fElowxXTy JlGUd9/uSql+fiOzHzAI25dshK6lLXLAW2MAjYbI9hC5RzJIqWFSH2ujiQ0k2vzG +qragk2ixEfp2yqhEXR441eMqwI7KQ5YQiGqXw07vJ1HU0SWqZGPD9Sqla189gss 9jbMb8Sa2+3/2zOIum1oUBO1UnvRUt/cE6wOs0GbP5KjgxyC6xWwp+X3gT7kHJp/ 9919i0A9G29KW1HGMo8eT2ATXBmLhNFfzF9l/4khvKly166yvJPN/rI3mW2UyQjq QboFdZgCvEMcGtak5uRPlwQ9dR/El26eUvNFjNDuhbhhJgVLGBOTsOGd+oY3pfnB NyboAxj8u2ic0qTkSM9d7qOWXRkVa+qV+SmzgRT+xcfwY906UMgzx6by/uwU723e IcSaqH0FKowh11rID//+CrCs/2+VWx3jIKqYODCUpWOL+97YRfeYjqUCOouCEgKn Ldln7GUr+dmqbml0rMMTp6Gy9m7Hv1RE45bXlNeiFQG8+OLOGKZQeYR+2uPIUE/n L8fv8iTfeWw=Mfke -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://listman.redhat.com/mailman/listinfo/rhsa-announce . Red Hat has announced a significant security patch for kpatch-patch. Find inside the specifics about the vulnerabilities addressed and the corrective measures implemented.. Red Hat Security Update, Important Kernel Patch, Kpatch Security Update, Enterprise Linux Security, Extended Update Support. . Severity: Important. LinuxSecurity.com Team

Apr 20, 2021 •Important Red Hat

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150

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Self-taught through trial and error (78.54%)

78.54% votes

Formal training or courses (4.29%)

4.29% votes

A job that required it (4.86%)

4.86% votes

Other (12.3%)

12.3% votes

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