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

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed the iloc.bh leak in ext4xattr inodeupdateref. The error branch of ext4xattr inodeupdateref forgot to release the refcount for iloc.bh. This issue was discovered during code review...

ROS-20260928-73-0056

The vulnerability of the functions hfsfindinit and hfsbrecfind in the fs/hfsplus/bfind.c module, which is part of Apple’s HFS extended file system support in Linux, stems from the use of an uninitialized variable. Exploiting this vulnerability could allow an attacker to compromise the...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: F2FS: fixed potential corruption when moving a directory. F2FS also has the same issue in ext4rename, which causes a crash, as revealed by xfstests/generic/707. See also commit 0813299c586b “ext4: Fix possible corruption when...

CVE-2026-64256

In the Linux kernel, the following vulnerability has been resolved: xfs: don't wrap around quota ids in dqiterate LOLLM noticed that qid is an unsigned 32-bit variable. If it happens to be set to XFSDQIDMAX due to a filesystem that actually has a dquot for IDMAX, then this addition will truncate ...

CVE-2026-53368

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix fsck inconsistency caused by incorrect natentry flag usage f2fsneeddentrymark reads natentry flags without mutual exclusion with the checkpoint path, which can result in an incorrect inode block marking state. The...

RLSA-2026:39179 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete CVE-2026-46116 kernel: XFS data corruption usi...

RockyLinux 8 : kernel-rt (RLSA-2026:39180)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:39180 advisory. kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete...

EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-2535)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Input: alps - fix use-after-free bugs caused by dev3registerworkCVE-2025-68822 ext4: reject mount if bigalloc with sfirstdatablock !=...

EUVD-2026-38408

Zephyr's ext2 directory-entry parser does not fully validate on-disk directory entry structure before copying the entry name and advancing traversal state. In ext2fetchdirentry subsys/fs/ext2/ext2diskops.c, the code only checks denamelen = EXT2MAXFILENAME and then copies the name with memcpy...

ALSA-2026:21745 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: Bluetooth: MGMT: Fix possible UAFs CVE-2025-39981 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ext4 file system. When the file system is shut down, the dirtyclusters counter is decremented...

CVE-2026-45985

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set EXT4GETBLOCKSCONVERT when splitting before submitting I/O When allocating blocks during within-EOF DIO and writeback with dioreadnolock enabled, EXT4GETBLOCKSPREIO was set to split an existing large unwritten...

EUVD-2026-27712

In the Linux kernel, the following vulnerability has been resolved: xfs: remove xfsattrleafhasname The calling convention of xfsattrleafhasname is problematic, because it returns a NULL buffer when xfsattr3leafread fails, a valid buffer when xfsattr3leaflookupint returns -ENOATTR or -EEXIST, and ...

CVE-2026-43187 xfs: delete attr leaf freemap entries when empty

In the Linux kernel, the following vulnerability has been resolved: xfs: delete attr leaf freemap entries when empty Back in commit 2a2b5932db6758 "xfs: fix attr leaf header freemap.size underflow", Brian Foster observed that it's possible for a small freemap at the end of the end of the xattr...

EUVD-2026-27370

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocate block from corrupted group in ext4mbfindbygoal There's issue as follows: ... EXT4-fs mmcblk0p1: Delayed block allocation failed for inode 206 at logical offset 0 with max blocks 1 with error 117 EXT4-fs...

CVE-2026-43068

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocate block from corrupted group in ext4mbfindbygoal There's issue as follows: ... EXT4-fs mmcblk0p1: Delayed block allocation failed for inode 206 at logical offset 0 with max blocks 1 with error 117 EXT4-fs...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ext4 file system failing to empty the pending discard operations after being remounted as...

PT-2026-37071

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 file system where the kernel may attempt to allocate blocks from a corrupted block group. This occurs because when EXT4 MB GRP BBITMAP CORRUPTe4b-bd info is...

CVE-2026-43053

In the Linux kernel, the following vulnerability has been resolved: xfs: close crash window in attr dabtree inactivation When inactivating an inode with node-format extended attributes, xfsattr3nodeinactive invalidates all child leaf/node blocks via xfstransbinval, but intentionally does not remo...

Linux ext4 Heap Buffer Overflow DoS

The vulnerability of the ext4iget function in the fs/ext4/inode.c file of the Linux operating system is related to incorrect validation of input data. Exploiting this vulnerability could allow an attacker to cause a service failure...