SUSE-SU-2026:23761-1 Security update for the Linux Kernel (Live Patch 25 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-48.1 fixes various security issues: The following security issues were fixed: - CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction bsc1275458. - CVE-2026-64561: KVM: x86: Check for invalid/obsolete root...

SUSE-SU-2026:23837-1 Security update for the Linux Kernel (Live Patch 26 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-49.1 fixes various security issues: The following security issues were fixed: - CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction bsc1275458. - CVE-2026-64561: KVM: x86: Check for invalid/obsolete root...

kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM nSVM module. When a nested virtual machine L2 guest executes VMSAVE/VMLOAD instructions, and these are not intercepted by the first-level hypervisor L1, KVM incorrectly uses vmcb02 instead of vmcb01 for managing guest state...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt 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...

kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM nSVM module. When a nested virtual machine L2 guest executes VMSAVE/VMLOAD instructions, and these are not intercepted by the first-level hypervisor L1, KVM incorrectly uses vmcb02 instead of vmcb01 for managing guest state...

ALSA-2026:67468 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: EDAC/bluefield: Fix potential integer overflow CVE-2024-53161 kernel: wifi: mac80211: Discard Beacon frames to non-broadcast address CVE-2025-71127 kernel: KVM: nSVM: Always use vmcb01 in...

AlmaLinux 8 : kernel (ALSA-2026:67468)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:67468 advisory. kernel: EDAC/bluefield: Fix potential integer overflow CVE-2024-53161 kernel: wifi: mac80211: Discard Beacon frames to non-broadcast address CVE-2025-711...

RHEL 8 : kernel (RHSA-2026:67468)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:67468 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: EDAC/bluefield: Fix potential...

OESA-2026-3709 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Check for invalid/obsolete root after making MMU pages available\n\nCheck for a "stale" page fault, i.e. for an invalid and/or obsolete root, after...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Loads the TSC multiplier of L1 based on L1’s state, not L2’s state. When emulating a nested VM-Exit, the TSC multiplier of L1 is loaded if L1’s desired ratio does not match the current ratio. This does not occur if L1’...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: Avoid unnecessary calls to invalidrangestart/invalidaterangeend when using mremap with oldsize=0. If the mremap system call with oldsize=0 ends up in movepagetables, it will unnecessarily call...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: PPC: Fixed the issue with the vcpuload leak in kvmarchvcpuioctl. The vcpuput function is not called if the user copy fails. This can lead to problems such as corruption of the preempt notifier and system crashes...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs: export anoninodemakesecureinode and fix the issue with secretmem LSM bypass. The anoninodemakesecureinode function was exported to allow KVM guestmemfd to create anonymous inodes with proper security context. This replaces...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Warns when a triple fault assertion never “escapes” from L2 The warnings are removed because they perform a sanity check that ensures KVM never allows a triple fault in L2 to escape and end up in L1. In normal operation...

Security update for the Linux Kernel RT (Live Patch 16 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.59 fixes various security issues: The following security issues were fixed: CVE-2026-46150: fanotify: fix false positive on permission events bsc1267388. CVE-2026-53360: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use...

Security update for the Linux Kernel RT (Live Patch 18 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.67 fixes various security issues: The following security issues were fixed: CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction bsc1275458. CVE-2026-64530: net/sched: clsapi: Handle TCACTCONSUMED ...

SUSE-SU-2026:4172-1 Security update for the Linux Kernel RT (Live Patch 18 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.67 fixes various security issues: The following security issues were fixed: - CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction bsc1275458. - CVE-2026-64530: net/sched: clsapi: Handle...

SUSE-SU-2026:4170-1 Security update for the Linux Kernel RT (Live Patch 17 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.62 fixes various security issues: The following security issues were fixed: - CVE-2026-53360: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use bsc1270303. - CVE-2026-64423: ipv4: igmp: remove multicast group from hash tab...

Security update for the Linux Kernel RT (Live Patch 17 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.62 fixes various security issues: The following security issues were fixed: CVE-2026-53360: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use bsc1270303. CVE-2026-64423: ipv4: igmp: remove multicast group from hash table o...

SUSE-SU-2026:23772-1 Security update for the Linux Kernel RT (Live Patch 23 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-46.1 fixes various security issues: The following security issues were fixed: - CVE-2026-46150: fanotify: fix false positive on permission events bsc1267388. - CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device...