CVE-2026-64416 mm: swap_cgroup: fix NULL deref in lookup_swap_cgroup_id on swapless host

In the Linux kernel, the following vulnerability has been resolved: mm: swapcgroup: fix NULL deref in lookupswapcgroupid on swapless host lookupswapcgroupid passes swapcgroupctrltype.map to swapcgroupidlookup without checking that the type was ever registered via swapcgroupswapon. On a swapless...

CVE-2026-64416

CVE-2026-64416 is a NULL pointer dereference in the Linux kernel's mm: swap_cgroup subsystem. lookup_swap_cgroup_id() passes swap_cgroup_ctrl[type].map to __swap_cgroup_id_lookup() without verifying the swap type was registered; on a swapless host , every ctrl->map is NULL, causing a crash. Th...

CVE-2026-64416

In the Linux kernel, the following vulnerability has been resolved: mm: swapcgroup: fix NULL deref in lookupswapcgroupid on swapless host lookupswapcgroupid passes swapcgroupctrltype.map to swapcgroupidlookup without checking that the type was ever registered via swapcgroupswapon. On a swapless...

EUVD-2026-48960

In the Linux kernel, the following vulnerability has been resolved: mm: swapcgroup: fix NULL deref in lookupswapcgroupid on swapless host lookupswapcgroupid passes swapcgroupctrltype.map to swapcgroupidlookup without checking that the type was ever registered via swapcgroupswapon. On a swapless...

EUVD-2026-48922

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

CVE-2026-64378

CVE-2026-64378 is a Linux kernel race between cgroup_writeback_umount() and inode_switch_wbs()/cleanup_offline_cgwb() triggered when a container exits. The root cause is a window between inode_prepare_wbs_switch() returning true and wb_queue_isw(), which can lead to a VFS: Busy inodes after unmou...

CVE-2026-64378 writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs()

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

CVE-2026-64378

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

CVE-2026-64378 writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs()

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

PT-2026-64640

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Reading the debugfs count file of a memcg-aware shrinker can cause the system to sleep inside an RCU read-side critical section. This occurs because the shrinker debugfs count show...

Linux Distros Unpatched Vulnerability : CVE-2026-64418

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: shrinker: fix shrinkerinfo teardown race with expansion expandshrinkerinfo iterates all visible memcgs under shrinkermutex, including memcgs that have not...

PT-2026-64639

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the memory management shrinker component. The expand shrinker info function iterates through visible memory control groups memcgs using the shrinker mutex...

PT-2026-64599

Name of the Vulnerable Software and Affected Versions Linux kernel versions 5.10.y through 6.6.y Description A race condition exists between the cgroup writeback umount and inode switch wbs/cleanup offline cgwb functions. This occurs when a container exits, creating a window between the time inod...

PT-2026-64637

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.12.58 Description A NULL pointer dereference occurs in the lookup swap cgroup id function on hosts without swap enabled. The function passes swap cgroup ctrltype.map to swap cgroup id lookup without verifying if the type...

Linux Distros Unpatched Vulnerability : CVE-2026-64416

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm: swapcgroup: fix NULL deref in lookupswapcgroupid on swapless host lookupswapcgroupid...

SUSE CVE-2026-64036

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

SUSE CVE-2026-64184

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: call missing memcgroupiterbreak damonsysfsmemcgpathtoid breaks memcgroupiter loop without calling memcgroupiterbreak. This leaks the cgroup reference. Fix the issue by calling memcgroupiterbreak before the...

CVE-2026-64036

A flaw was found in the Linux kernel. A local attacker with specific system privileges could exploit a vulnerability in the cgroup/rstat component. By manipulating a function that processes CPU Central Processing Unit statistics, an attacker could cause an out-of-bounds write. This could lead to ...

CVE-2026-64184

A flaw was found in the Linux kernel's Data Access MONitor DAMON sysfs schemes. The damonsysfsmemcgpathtoid function does not correctly release a cgroup reference, leading to a resource leak. This vulnerability could allow a local attacker to exhaust system resources, potentially causing a denial...

CVE-2026-63802

A flaw was found in the Linux kernel's block input/output control group blk-cgroup component. This vulnerability, a Use-After-Free UAF, occurs when multiple block control groups are released at the same time. A race condition allows one group to remove another's entries while it is still in use,...