Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Avoid out-of-bounds access when system.data modifies xattr under the filesystem. When searching an inline directory, if evalueoffs is changed under the filesystem due to a change in the block device, it may lead to an...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a group with a corrupted block bitmap in ext4mbtrybestfound. Determine whether the group block bitmap is corrupted before using acbex in ext4mbtrybestfound to prevent allocating blocks from a...

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 vulnerabilities have been resolved: ext4: Fixed an out-of-bound read in ext4xattrinodedecrefall. The issue is as follows: BUG: KASAN: Use-after-free in ext4xattr inodedecrefall+0x6ff/0x790. A read of size 4 was performed at address ffff88807b003000 by the task...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021603)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021603 advisory. In the Linux kernel, the following vulnerability has been resolved: nfsd: map the EBADMSG to nfserrio to avoid warning Ext4 will throw -EBADMSG through ext4readdir...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021583)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021583 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SBRDONLY after filesystem errors When the filesystem is mounted with...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021554)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021554 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninititialized value in 'ext4evictinode' Syzbot found the following issue:...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021555)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021555 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protectin...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021551)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021551 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid crash when inline data creation follows DIO write When inode is created and written t...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021596)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021596 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: dax: fix overflowing extents beyond inode size when partially writing The daxiomaprw does t...

USN-8278-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

kernel: fs: writeback: fix use-after-free in __mark_inode_dirty()

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

Security update provided in Brocade ASCG3.4.0b Base OS (OVA Deployment) for Rocky Linux Kernel

Security update provided in Brocade ASCG3.4.0b Base OS OVA Deployment for Rocky Linux Kernel CVE-2022-50673 - Linux Kernel 'ext4' Vulnerable to Use-After-Free via Improper Error Handling in 'ext4orphancleanup' CVE-2022-50865 - Linux Kernel Vulnerable to Signed Integer Overflow via Backlog Limit...

CVE-2026-34962

barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4common.c where the ext4fsiteratedir function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a...

SUSE CVE-2026-43288

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...

CVE-2026-34962

barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4common.c where the ext4fsiteratedir function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a...

CVE-2026-34961

barebox prior to version 2026.04.0 contains out-of-bounds read vulnerabilities in ext4 extent parsing due to missing validation of the ehentries field against buffer capacity in fs/ext4/ext4common.c. Attackers can supply a malicious ext4 filesystem image via USB, SD card, or network boot to trigg...

CVE-2026-34962 barebox ext4 Directory Parsing Infinite Loop Denial of Service

barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4common.c where the ext4fsiteratedir function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a...

CVE-2026-34962

CVE-2026-34962 affects barebox prior to 2026.04.0, where a vulnerability in ext4 directory parsing (fs/ext4/ext4_common.c) allows an infinite loop during directory listing or path resolution. The root cause is that ext4fs_iterate_dir() does not validate non-zero directory entry lengths, so a craf...

CVE-2026-34962 barebox ext4 Directory Parsing Infinite Loop Denial of Service

barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4common.c where the ext4fsiteratedir function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a...