Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A use-after-free flaw was discovered in the ext4remount function in the fs/ext4/super.c file within ext4 in the Linux kernel. This flaw allows a local user to cause an information leak issue when freeing the old quota file names before a potential failure, resulting in a use-after-free condition...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Publish jinode after initialization The ext4inodeattachjinode function publishes ei-jinode to concurrent users. It used to set ei-jinode before jbd2journalinitjbd inode, allowing a reader to observe a non-NULL jinode with...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a potential out-of-bound read issue in ext4fcreplayscan. For the scan loop, it is necessary to ensure that at least EXT4FCTAGBASELEN space is available. If the remaining space is less than EXT4FCTAGBASELEN, it may lea...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: The block range must be validated before being used in ext4mbclearbb. The block range to be freed is validated in ext4freeblocks, using ext4 inodeblockvalid, and then it is passed to ext4mbclearbb. However, in some cases on...

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

In the Linux kernel, the following vulnerability has been resolved: EXT4: Zeroing idisksize when initializing the bootloader inode If the bootloader inode has never been used before, the EXT4IOCSWAPBOOT inode will initialize it, including setting isize to 0. However, if the “never before used”...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: In ext4, the “set goal start” operation is performed correctly in ext4mbnormalizerequest. We need to set acgex to notify the goal start used in ext4mbfindbygoal. Instead of using acfex, we should use acgex in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ‘ext4dareleasespace’ The Syzkaller report describes the issue as follows: EXT4-fs loop0: Details of free/dirty blocks EXT4-fs loop0: freeblocks=0 EXT4-fs loop0: dirtyblocks=0 EXT4-fs loop0: Details of block...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid resizing to a partial cluster size This patch prevents attempts to resize the filesystem to a cluster boundary that is not an integer multiple of the cluster size. Online resizing to a size that is not integral to the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed the issue where idisksize could exceed isize in partially written cases. It is possible for idisksize to exceed isize, triggering a warning. genericperformwrite: - copied = iovitercopyfromuseratomiclen // copied...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a bug in extent parsing when ehentries == 0 and ehdepth 0. When traversing inode extents, the ext4extbinsearchidx function assumes that the extent header has been validated previously. However, there are no checks to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not report a bug if someone dirty pages without first consulting ext4. The unpinuserpagesremote function dirty pages without properly warning the file system in advance. Jan Kara noted this race condition in 20181...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in fs/ext4/namei.c:dxinsertblock, within the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with user privileges to cause a denial of service...

SUSE CVE-2026-89666

In the Linux kernel, the following vulnerability has been resolved: nfsd: reject out-of-range nseconds in NFSv3 SETATTR and create ops A client can send an NFSv3 SETATTR, CREATE, MKDIR, SYMLINK or MKNOD carrying an atime or mtime whose nseconds field is out of range. The value is well-formed on t...

Linux Distros Unpatched Vulnerability : CVE-2026-89557

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblock...

DEBIAN-CVE-2026-89666

In the Linux kernel, the following vulnerability has been resolved: nfsd: reject out-of-range nseconds in NFSv3 SETATTR and create ops A client can send an NFSv3 SETATTR, CREATE, MKDIR, SYMLINK or MKNOD carrying an atime or mtime whose nseconds field is out of range. The value is well-formed on t...

EUVD-2026-76578

In the Linux kernel, the following vulnerability has been resolved: nfsd: reject out-of-range nseconds in NFSv3 SETATTR and create ops A client can send an NFSv3 SETATTR, CREATE, MKDIR, SYMLINK or MKNOD carrying an atime or mtime whose nseconds field is out of range. The value is well-formed on t...

CVE-2026-89666 nfsd: reject out-of-range nseconds in NFSv3 SETATTR and create ops

In the Linux kernel, the following vulnerability has been resolved: nfsd: reject out-of-range nseconds in NFSv3 SETATTR and create ops A client can send an NFSv3 SETATTR, CREATE, MKDIR, SYMLINK or MKNOD carrying an atime or mtime whose nseconds field is out of range. The value is well-formed on t...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107271)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107271 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: ignore xattrs past end Once inside 'ext4xattrinodedecrefall' we should ignore xattrs entrie...

PT-2026-96469

In the Linux kernel, the following vulnerability has been resolved: nfsd: reject out-of-range nseconds in NFSv3 SETATTR and create ops A client can send an NFSv3 SETATTR, CREATE, MKDIR, SYMLINK or MKNOD carrying an atime or mtime whose nseconds field is out of range. The value is well-formed on t...

PT-2026-90382

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd component where the kernel fails to properly validate the nseconds field in NFSv3 SETATTR and create operations CREATE, MKDIR, SYMLINK, or MKNOD. A client can...