Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an improper handling of fixes by btrfs during device replacement, which could lead to null pointer...

CVE-2022-50815: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext2: Add sanity checks for group and filesystem size Add sanity check that filesystem size does not exceed the underlying device size and that group size is big enough so that metadata can fit into it. This avoid trying to mount...

CVE-2023-54297: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix memory leak after finding block group with super blocks At excludesuperstripes, if we happen to find a block group that has super blocks mapped to it and we are on a zoned filesystem, we error out as this is not...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992425)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992425 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the...

Linux Distros Unpatched Vulnerability : CVE-2022-50815

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext2: Add sanity checks for group and filesystem size Add sanity check that filesystem size does not exceed the underlying device size and that group size is bi...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992504)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992504 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: add bounds checking in getmaxinlinexattrvaluesize Normally the extended attributes in the...

PT-2026-43827

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count inconsistency occurs in the hfsplus module when the hfs bnode create function identifies that a node is already hashed. Instead of incrementing the reference count, the...

CVE-2025-68697 Self-hosted n8n has Legacy Code node that enables arbitrary file read/write

n8n is an open source workflow automation platform. Prior to version 2.0.0, in self-hosted n8n instances where the Code node runs in legacy non-task-runner JavaScript execution mode, authenticated users with workflow editing access can invoke internal helper functions from within the Code node...

Linux Distros Unpatched Vulnerability : CVE-2023-54127

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/jfs: prevent double-free in dbUnmount after failed jfsremount Syzkaller reported the following issue:...

CVE-2025-68356

In the Linux kernel, the following vulnerability has been resolved: gfs2: Prevent recursive memory reclaim Function newinode returns a new inode with inode-imapping-gfpmask set to GFPHIGHUSERMOVABLE. This value includes the GFPFS flag, so allocations in that address space can recurse into...

CLSA-2025-1766599987 kernel: Fix of 27 CVEs

xfrm: Duplicate SPI Handling CVE-2025-39965 - xfrm: state: use atomicincnotzero to increment refcount - padata: Fix pd UAF once and for all CVE-2025-38584 - padata: Remove broken queue flushing CVE-2023-52854 - padata: ensure padatadoserial runs on the correct CPU - Bluetooth: L2CAP: Fix...

btrfs: fix racy bitfield write in btrfs_clear_space_info_full()

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fs/ntfs3: Initialize allocated memory before use

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nfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails.

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SUSE CVE-2022-50755

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying to free free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 brelse+0x67/0xa0 ... Call Trace: invalidatebhlru+0x99/0x150...

SUSE CVE-2022-50766

In the Linux kernel, the following vulnerability has been resolved: btrfs: set generation before calling btrfscleantreeblock in btrfsinitnewbuffer syzbot is reporting uninit-value in btrfscleantreeblock 1, for commit bc877d285ca3dba2 "btrfs: Deduplicate extentbuffer init code" missed that...

SUSE CVE-2023-54099

In the Linux kernel, the following vulnerability has been resolved: fs: Protect reconfiguration of sb read-write from racing writes The reconfigure / remount code takes a lot of effort to protect filesystem's reconfiguration code from racing writes on remounting read-only. However during remounti...

SUSE CVE-2023-54124

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop all dirty pages during umount if cperror is set xfstest generic/361 reports a bug as below: f2fsbugonsbi, sbi-fsyncnodenum; kernel BUG at fs/f2fs/super.c:1627! RIP: 0010:f2fsputsuper+0x3a8/0x3b0 Call Trace:...

SUSE CVE-2023-54130

In the Linux kernel, the following vulnerability has been resolved: hfs/hfsplus: avoid WARNON for sanity check, use proper error handling Commit 55d1cbbbb29e "hfs/hfsplus: use WARNON for sanity check" fixed a build warning by turning a comment into a WARNON, but it turns out that syzbot then...

SUSE CVE-2025-68356

In the Linux kernel, the following vulnerability has been resolved: gfs2: Prevent recursive memory reclaim Function newinode returns a new inode with inode-imapping-gfpmask set to GFPHIGHUSERMOVABLE. This value includes the GFPFS flag, so allocations in that address space can recurse into...