Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cgroup, freezer: Hold cpuhotpluglock before freezermutex. syzbot reports a circular locking dependency between cpuhotpluglock and freezermutex. To address this issue, commit f5d39b020809 “freezer,sched: Rewrite core freezer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cgroup: Added the missing cpusreadlock function to cgroupattachtaskall. The syzbot tool encounters a warning regarding percpurwsemassertheld&cpuhotpluglock when calling cpusetattach 1. This issue was missed because cpusetattach i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Properly pinning the parent in blkcgcssonline. blkcgcssonline is supposed to pin the blkcg of the parent, but after refactoring the code, it was changed to pin the css instead. This results in additional pinnings, and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsocket: removed WARNONONCE when the maximum cgroup level is reached By default, the maximum depth of a cgroup is INTMAX. There’s a setting in the cgroup API that allows restricting this maximum depth to a more...

Astra Linux – Vulnerability in Linux

A use-after-free flaw was discovered in cgroup1parseparam in kernel/cgroup/cgroup-v1.c within the Linux kernel’s cgroup v1 parser. A local attacker with user privileges could exploit the fsconfig syscall parameter to escalate privileges, resulting in a container breakout and a denial of service o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cgroup/dmem: avoided UAF in the pool An UAF issue was observed: BUG: KASAN: slab-use-after-free in pagecounteruncharge+0x65/0x150 Write of size 8 at addr ffff888106715440 by task insmod/527 CPU: 4 UID: 0 PID: 527 Comm: insmod...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: schedext: Corrected incorrect autogroup migration detection. The function scxmovetask is called from schedmovetask, and it informs the BPF scheduler that cgroup migration is being performed. schedmovetask is used for both cgroup...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a UAF issue in bpftrampolinelinkcgroupshim The root cause of this bug is that when ‘bpflinkput’ reduces the refcount of ‘shimlink-link.link’ to zero, the resource is considered released, but may still be referenced via...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/psi: The use of kernfs polling functions for PSI trigger polling was incorrect. Destroying the psitriggerdestroy in cgroupfilerelease causes a Use-After-Free UAF issue when a cgroup is removed from a polling process. This...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021650)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021650 advisory. In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Prevent UAF in proccpusetshow An UAF can happen when /proc/cpuset is read as...

CLSA-2026-1779217317 systemd: Fix of CVE-2026-29111

CVE-2026-29111: core: validate input cgroup path more prudently...

SUSE CVE-2026-43287

In the Linux kernel, the following vulnerability has been resolved: drm: Account property blob allocations to memcg DRMIOCTLMODECREATEPROPBLOB allows userspace to allocate arbitrary-sized property blobs backed by kernel memory. Currently, the blob data allocation is not accounted to the allocatin...

SUSE CVE-2026-43438

In the Linux kernel, the following vulnerability has been resolved: schedext: Remove redundant cssput in scxcgroupinit The iterator cssforeachdescendantpre walks the cgroup hierarchy under cgrouplock. It does not increment the reference counts on yielded css structs. According to the cgroup...

CVE-2026-43916

Summary: pam_authnft is affected by a heap buffer over-read in peer_lookup_tcp (src/peer_lookup.c:134) that could allow a crafted NETLINK_SOCK_DIAG reply to bypass the message-size check and dereference past the end of the allocation. This vulnerability exists prior to version 0.2.0-alpha and is ...

EUVD-2026-29474

pamauthnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes. Prior to 0.2.0-alpha, a heap buffer over-read in peerlookuptcp src/peerlookup.c:134, prior to the fix allowed a crafted NETLINKSOCKDIAG reply to slip past the message-size check, then...

CVE-2026-43472

A flaw was found in the Linux kernel's unshare system call. A local user, when attempting to create new namespaces with specific flags, could encounter a scenario where the process's current working directory and root directory pointers become detached. This occurs if the cgroup namespace creatio...

CVE-2026-43438

A flaw was found in the Linux kernel's schedext component. This vulnerability is caused by a redundant cssput call in the scxcgroupinit function, leading to a reference count underflow. This can result in a Use-After-Free UAF vulnerability, potentially allowing a local attacker to cause a denial ...

CVE-2026-43439

A flaw was found in the Linux kernel's cgroup functionality, which manages and allocates system resources. A race condition, a situation where multiple operations occur simultaneously and interfere with each other, exists during task migration and iteration. This can lead to an incomplete display...

EUVD-2026-28745

In the Linux kernel, the following vulnerability has been resolved: cgroup: fix race between task migration and iteration When a task is migrated out of a cssset, cgroupmigrateaddtask first moves it from cset-tasks to cset-mgtasks via: listmovetail&task-cglist, &cset-mgtasks; If a csstaskiter...

EUVD-2026-28744

In the Linux kernel, the following vulnerability has been resolved: schedext: Remove redundant cssput in scxcgroupinit The iterator cssforeachdescendantpre walks the cgroup hierarchy under cgrouplock. It does not increment the reference counts on yielded css structs. According to the cgroup...