UBUNTU-CVE-2026-46121

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: protect memcgpath kfree with damonsysfslock Patch series "mm/damon/sysfs-schemes: fix use-after-free for memcgpath". Reads of 'memcgpath' and 'path' files in DAMON sysfs interface could race with their...

CVE-2026-46121

The CVE-2026-46121 issue affects the Linux kernel DAMON sysfs interface (mm/damon/sysfs-schemes). A race between reads and writes of memcg_path and path can lead to a use-after-free when a user reads or writes the sysfs files while a buffer is being deallocated. The root cause is that user-direct...

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

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

CLSA-2026-1777482797 Fix CVE(s): CVE-2026-29111

SECURITY UPDATE: stack overwriting via crafted cgroup path - debian/patches/CVE-2026-29111.patch: validate input cgroup path in methodgetunitbycontrolgroup with pathisabsolute and pathisnormalized checks before passing to managergetunitbycgroup. - CVE-2026-29111...

CLSA-2026-1776099155 systemd: Fix of 2 CVEs

CVE-2026-29111: validate input cgroup path in GetUnitByControlGroup to prevent PID 1 assert/freeze on spurious IPC API calls - CVE-2026-4105: reject invalid class types when registering machines in systemd-machined to prevent privilege escalation...

SUSE-SU-2026:20822-1 Security update for systemd

This update for systemd fixes the following issues: Security issues: - CVE-2026-4105: privilege escalation due to improper access control in RegisterMachine D-Bus method bsc1259650. - CVE-2026-29111: local unprivileged user can trigger an assert in systemd bsc1259418. - udev: check for invalid...

USN-8119-2 systemd vulnerabilities

USN-8119-1 fixed vulnerabilities in systemd. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that systemd incorrectly handled certain cgroup paths. A local attacker could...

PT-2024-7084

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF vulnerability can occur when /proc/cpuset is read. This issue can be reproduced by adding a delay before acquiring the cgroup lock in the cgroup path ns function,...

runc: Rootless runc makes `/sys/fs/cgroup` writable

A flaw was found in runc, where it is vulnerable to a denial of service caused by improper access control in the /sys/fs/cgroup endpoint. This flaw allows a local authenticated attacker to cause a denial of service...