CVE-2026-53076

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix OOB in pcpuinitvalue An out-of-bounds read occurs when copying element from a BPFMAPTYPECGROUPSTORAGE map to another pcpu map with the same valuesize that is not rounded up to 8 bytes. The issue happens when: 1. A...

CVE-2026-53126 blk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcgmaybethrottlecurrent Add the missing putdisk on the error path in blkcgmaybethrottlecurrent. When blkcg lookup, blkg lookup, or blkgtryget fails, the function jumps to the out label whi...

CVE-2026-53126

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcgmaybethrottlecurrent Add the missing putdisk on the error path in blkcgmaybethrottlecurrent. When blkcg lookup, blkg lookup, or blkgtryget fails, the function jumps to the out label whi...

EUVD-2026-38994

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcgmaybethrottlecurrent Add the missing putdisk on the error path in blkcgmaybethrottlecurrent. When blkcg lookup, blkg lookup, or blkgtryget fails, the function jumps to the out label whi...

CVE-2026-53126

CVE-2026-53126 corresponds to a Linux kernel fix for a disk reference leak in blkcg_maybe_throttle_current. The issue occurred when blkcg lookup, blkg lookup, or blkg_tryget() failed and control flowed to the error path; the code released only rcu_read_unlock() and failed to release the disk refe...

CVE-2026-53076

The CVE covers a Linux kernel BPF issue: an out-of-bounds read in pcpu_init_value when copying data between BPF_MAP_TYPE_CGROUP_STORAGE and a pcpu map with the same value_size that is not 8-byte aligned. The verifier reads the source size exactly, but the copy path sometimes rounds up to 8 bytes ...

EUVD-2026-38944

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix OOB in pcpuinitvalue An out-of-bounds read occurs when copying element from a BPFMAPTYPECGROUPSTORAGE map to another pcpu map with the same valuesize that is not rounded up to 8 bytes. The issue happens when: 1. A...

CVE-2026-53076 bpf: Fix OOB in pcpu_init_value

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix OOB in pcpuinitvalue An out-of-bounds read occurs when copying element from a BPFMAPTYPECGROUPSTORAGE map to another pcpu map with the same valuesize that is not rounded up to 8 bytes. The issue happens when: 1. A...

CVE-2026-53076 bpf: Fix OOB in pcpu_init_value

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix OOB in pcpuinitvalue An out-of-bounds read occurs when copying element from a BPFMAPTYPECGROUPSTORAGE map to another pcpu map with the same valuesize that is not rounded up to 8 bytes. The issue happens when: 1. A...

CVE-2026-52991 sched/psi: fix race between file release and pressure write

In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressure write and cgroup file release regarding the priv member of struct kernfsopenfile, which triggers the uaf reported in 1...

CVE-2026-52991 sched/psi: fix race between file release and pressure write

In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressure write and cgroup file release regarding the priv member of struct kernfsopenfile, which triggers the uaf reported in 1...

CVE-2026-52991

In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressure write and cgroup file release regarding the priv member of struct kernfsopenfile, which triggers the uaf reported in 1...

CVE-2026-52991

CVE-2026-52991 concerns a race in the Linux kernel PSI subsystem where a use-after-free can occur due to a race between pressure_write and cgroup file release touching the priv member of struct kernfs_open_file. The issue is fixed by widening the scope of the cgroup_mutex in pressure_write to cov...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mm/slab: Added alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be observed: 3959.023862 ------------ Cut here ------------ 3959.023891 alloctag was not...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: The reinit operation for blkgiostatset is performed after clearing data in blkcgresetstats. When the blkgalloc function is called to allocate a blkcggq structure along with its associated blkgiostatset, there are t...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed an invalid prog-stats access when updateeffectiveprogs fails. The issue occurs due to a fault-injected code sequence in updateeffectiveprogs. The problem can be described as follows: c cgroupbpfdetach...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nvmet: A race condition in nvmetbiodone has been fixed; this race condition can lead to a NULL pointer dereferencing. There is a race condition in nvmetbiodone that can cause a NULL pointer dereference in blkcgroupbiostart: 1...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm: Property blob allocations to memcg The DRMIOCTLMODECREATEPROPBLOB function allows userspace to allocate property blobs of arbitrary size, which are backed by kernel memory. Currently, the blob data allocation is not accounte...

PT-2026-51885

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists between the pressure write operation and the cgroup file release process. This occurs because the priv member of the struct kernfs open file is not sufficiently...

PT-2026-52020

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A disk reference leak occurs in the blkcg maybe throttle current function. When blkcg lookup, blkg lookup, or blkg tryget fails, the function fails to call put disk on the error path. Th...