Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fixed a UAF in blkcgunpinonline. blkcgunpinonline traverses the blkcg hierarchy to set the object as online. To traverse this hierarchy, it uses blkcgparentblkcg, but this call occurs after blkcgDestroyBlksblkcg, whic...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Prevent UAF in proccpusetshow A UAF can occur when reading /proc/cpuset, as reported in 1. This issue can be reproduced using the following methods: 1. Add an mdelay1000 before acquiring the cgrouplock in the...

Security update for systemd

This update for systemd fixes the following issues: Import commit 0512d0d1fc0b54a84964281708036a46ab39c153 0512d0d1fc cgroup: Rename effective limits internal table jscPED-5659 765846b70b cgroup: Restrict effective limits with global resource provision jscPED-5659 e29909088b test: Add effective...

SUSE-SU-2025:20041-1 Security update for systemd

This update for systemd fixes the following issues: - Import commit 0512d0d1fc0b54a84964281708036a46ab39c153 0512d0d1fc cgroup: Rename effective limits internal table jscPED-5659 765846b70b cgroup: Restrict effective limits with global resource provision jscPED-5659 e29909088b test: Add effective...

SUSE CVE-2025-21634

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

CVE-2025-21634

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

DEBIAN-CVE-2025-21634

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

AZL-56318 CVE-2025-21634 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

UBUNTU-CVE-2025-21634

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

CVE-2025-21634 cgroup/cpuset: remove kernfs active break

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

CVE-2025-21634 cgroup/cpuset: remove kernfs active break

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

CVE-2025-21634

CVE-2025-21634 concerns the Linux kernel cpuset/cgroup path where kernfs active protection can be broken during concurrent cpuset writes, triggering a warning and potential deadlock risk. The root cause involved a sequence of hotplug-related changes that async/sync cpuset processing and previousl...

CVE-2025-21634

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

CVE-2025-21634 cgroup/cpuset: remove kernfs active break

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: remove kernfs active break A warning was found: WARNING: CPU: 10 PID: 3486953 at fs/kernfs/file.c:828 CPU: 10 PID: 3486953 Comm: rmdir Kdump: loaded Tainted: G RIP: 0010:kernfsshoulddrainopenfiles+0x1a1/0x1b0 RSP:...

The vulnerability of the blkcg_unpin_online() function in the block/blk-cgroup.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the blkcgunpinonline function in the block/blk-cgroup.c module of the Linux kernel is related to the reutilization of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of protected...

SUSE CVE-2024-56672

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix UAF in blkcgunpinonline blkcgunpinonline walks up the blkcg hierarchy putting the online pin. To walk up, it uses blkcgparentblkcg but it was calling that after blkcgdestroyblkgsblkcg which could free the blkcg,...

CVE-2024-56783

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsocket: remove WARNONONCE on maximum cgroup level cgroup maximum depth is INTMAX by default, there is a cgroup toggle to restrict this maximum depth to a more reasonable value not to harm performance. Remove...

SUSE CVE-2024-56783

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsocket: remove WARNONONCE on maximum cgroup level cgroup maximum depth is INTMAX by default, there is a cgroup toggle to restrict this maximum depth to a more reasonable value not to harm performance. Remove...

CVE-2024-56783

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsocket: remove WARNONONCE on maximum cgroup level cgroup maximum depth is INTMAX by default, there is a cgroup toggle to restrict this maximum depth to a more reasonable value not to harm performance. Remove...

DEBIAN-CVE-2024-56783

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsocket: remove WARNONONCE on maximum cgroup level cgroup maximum depth is INTMAX by default, there is a cgroup toggle to restrict this maximum depth to a more reasonable value not to harm performance. Remove...