RXSA-2026:50978 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

RHSA-2026:50978 Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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 th...

RLSA-2026:49857 Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipc: limit nextid allocation to the valid ID range CVE-2026-52923 Bug Fixes and Enhancements: Rocky Linux8.10 - KVM: s390: Limit adapter indicator access to mapped page JIRA:Rocky...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

kernel security, bug fix, and enhancement update

5.14.0-687.36.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: futex: Fix UaF between futexkeytonodeopt and vmareplacepolicy CVE-2026-23415 kernel: netfilter: nfnetlinkcthelper: fix OOB read in nfnlcthelperdumptable CVE-2026-43450 Bug Fixes and...

Unbreakable Enterprise kernel security update

5.15.0-322.203.3.4.5 - KVM: x86/mmu: Stop needlessly making MMU pages available for TDP MMU faults David Matlack Orabug: 39832946 - KVM: x86: Check for invalid/obsolete root after making MMU pages available Sean Christopherson Orabug: 39832946 CVE-2026-64561 - KVM: x86/mmu: Rename directmap to...

RHSA-2026:49857 Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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CVE-2026-64566

Consolidated details show CVE-2026-64566 affects the Linux kernel iptfs module. Root cause: when iptfs_skb_add_frags() copies frag references, it increments page refs without propagating SKBFL_SHARED_FRAG to the destination SKB, unlike other frag-transfer helpers. Consequence: if source SKB has s...

kernel security, bug fix, and enhancement update

6.12.0-211.34.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

Unbreakable Enterprise kernel security update

5.4.17-2136.358.2.0.1 - x86/bugs: Make Safe-RET robust against interrupt injection Borislav Petkov AMD Orabug: 39832992 CVE-2026-68480 - x86/alternatives: Disable interrupts and sync when optimizing NOPs in place Thomas Gleixner Orabug: 39832992 - x86/alternative: Support relocations in...

RHSA-2026:49871 Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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RHSA-2026:49870 Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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Moderate: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Important: kernel-livepatch-6.1.170-213.321

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs CVE-2026-64531 In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600...

kernel security update

5.14.0-687.33.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

kernel security, bug fix, and enhancement update

6.12.0-211.42.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

Low: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Denial of Service due to NULL function pointer race in timer shutdown CVE-2025-68214 Bug Fixes and Enhancements: Possible regression with FM350GL almalinux-9.8.z...

Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipc: limit nextid allocation to the valid ID range CVE-2026-52923 Bug Fixes and Enhancements: AlmaLinux8.10 - KVM: s390: Limit adapter indicator access to mapped page JIRA:AlmaLinux-18388...