SB20250919127 - Buffer overflow in Linux kernel dcb
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250919127
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-2023-53369)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the dcbnl_bcn_setcfg() function in net/dcb/dcbnl.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/199fde04bd875d28b3a5ca525eaaa004eec6e947
- https://git.kernel.org/stable/c/31d49ba033095f6e8158c60f69714a500922e0c3
- https://git.kernel.org/stable/c/5b3dbedb8d4a0f9f7ce904d76b885438af2a21f9
- https://git.kernel.org/stable/c/8e309f43d0ca4051d20736c06a6f84bbddd881da
- https://git.kernel.org/stable/c/a0da2684db18dead3bcee12fb185e596e3d63c2b
- https://git.kernel.org/stable/c/ecff20e193207b44fdbfe64d7de89890f0a7fe6c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.45