SB20250916334 - Buffer overflow in Linux kernel ubifs
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916334
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) Buffer overflow (CVE-ID: CVE-2023-53276)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the do_tmpfile() function in fs/ubifs/dir.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/107d481642c356a5668058066360fc473911e628
- https://git.kernel.org/stable/c/1e43d4284bdc3bd34bd770fea13910ac37ab0618
- https://git.kernel.org/stable/c/1fb815b38bb31d6af9bd0540b8652a0d6fe6cfd3
- https://git.kernel.org/stable/c/29738e1bcc799dd754711d4e4aab967f0c018175
- https://git.kernel.org/stable/c/823f554747f8aafaa965fb2f3ae794110ed429ef
- https://git.kernel.org/stable/c/8ad8c67a897e68426e85990ebfe0a7d1f71fc79f
- https://git.kernel.org/stable/c/b8f444a4fadfb5070ed7e298e0a5ceb4a18014f3
- https://git.kernel.org/stable/c/ce840284929b75dbbf062e0ce7fcb78a63b08b5e
- https://git.kernel.org/stable/c/fd197308c0e4f738c7ea687d5332035c5753881c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.15