SB20251230311 - Input validation error in Linux kernel ext4
Published: December 30, 2025
Security Bulletin ID
SB20251230311
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-54305)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ext4_xattr_inode_create() function in fs/ext4/xattr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/05cbf6ddd9847c7b4f0662c048f195b09405a9d0
- https://git.kernel.org/stable/c/0dc0fa313bb4e86382a3e7125429710d44383196
- https://git.kernel.org/stable/c/116008ada3d0de4991099edaf6b8c2e9cd6f225a
- https://git.kernel.org/stable/c/21f6a80d9234422e2eb445734b22c78fc5bf6719
- https://git.kernel.org/stable/c/a458a8c1d1fc4e10a1813786132b09a3863ad3f2
- https://git.kernel.org/stable/c/a92b67e768bde433b9385cde56c09deb58db269e
- https://git.kernel.org/stable/c/aedea161d031502a423ed1c7597754681a4f8cda
- https://git.kernel.org/stable/c/f31173c19901a96bb2ebf6bcfec8a08df7095c91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.308
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3