Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fixed a slab-out-of-bounds issue in efivarfsdcompare. This issue was observed in kernel version 6.6 present on master as well. Bugs: - KASAN: Slab-out-of-bounds in memcmp+0x98/0xd0 - Call trace: kasancheckrange+0xe8/0x1...

PT-2026-43919

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Ceph component of the Linux kernel where d add can be called on a negative dentry that is already present in the primary dcache hash. This occurs because certain...

AZL-67398 CVE-2025-39817 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190 asanloadN+0x1c/0x28 memcmp+0x98/0xd0...

CVE-2025-39730 NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfsfhtodentry The function needs to check the minimal filehandle length before it can access the embedded filehandle...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Linux kernel local filesystem DoS

The 1 reallookup and 2 lookuphash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted aka SDEAD directory, which allows local users to cause a denial of service "overflow" of the UBIFS orphan area via a...