SUSE-SU-2026:20564-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38704: rcu/nocb: Fix possible invalid rdp's-nocbcbkthread pointer bsc1254408. - CVE-2025-39880: ceph: fix race condition validating rparent before applying state...

SUSE CVE-2026-23012

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

CVE-2026-23012

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

UBUNTU-CVE-2026-23012

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

CVE-2026-23012

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

CVE-2026-23012

CVE-2026-23012 affects the Linux kernel (mm/damon/core): a use-after-free in damon_call_control handling when a DAMON context is inactive. If damon_call() runs against a non-running context, the call returns an error but the damon_call_control object remains linked to the context’s call_controls ...

CVE-2026-23012

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

CVE-2026-23012

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

CVE-2026-23012 mm/damon/core: remove call_control in inactive contexts

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

CVE-2026-23012 mm/damon/core: remove call_control in inactive contexts

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

EUVD-2026-4617

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while keeping the damoncallcontrol object linked to the context's callcontrol...

Linux Distros Unpatched Vulnerability : CVE-2026-23012

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/damon/core: remove callcontrol in inactive contexts If damoncall is executed against a DAMON context that is not running, the function returns error while...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/damon/lrusort: A divide-by-zero error was avoided in damonlrusortapplyparameters. Patch series “mm/damon: Avoid divide-by-zero in DAMON module’s parameter application”. The RECLAIM and LRUSORT modules of DAMON do not perform a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/damon/reclaim: A divide-by-zero error can occur in damonreclaimapplyparameters. When creating a new scheme for DAMONRECLAIM, the calculation of ‘minageregion’ uses ‘aggrinterval’ as the divisor, which may lead to a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr: Do not repeatedly call pteoffsetmaplock until success. DAMON’s virtual address space operation implementation vaddr calls pteoffsetmaplock within the page table walk callback function. This is necessary for readin...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fixed a use-after-free in stateshow stateshow reads kdamond-damonctx without holding damonsysfslock. This allows for a use-after-free race condition: CPU 0 CPU 1 ----- ----- stateshow damonsysfsturndamonon ctx =...

PT-2026-8139

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s DAMON sysfs interface. Specifically, when a context DAMON sysfs directory setup fails after the setup of the ‘attrs/’ directory, the subdirectories...

PT-2026-8137

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to the DAMON sysfs interface. Specifically, when a DAMOS-scheme DAMON sysfs directory setup fails after the creation of the access pattern...

PT-2026-4674

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A flaw exists in the Linux kernel related to the handling of DAMON contexts. Specifically, if damon call is executed against a DAMON context that is not running, the function returns an...

SUSE CVE-2025-40218

In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr: do not repeat pteoffsetmaplock until success DAMON's virtual address space operation set implementation vaddr calls pteoffsetmaplock inside the page table walk callback function. This is for reading and writing pa...