SB20251001139 - Buffer overflow in Linux kernel hsr
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001139
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-2023-53462)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the fill_frame_info() function in net/hsr/hsr_forward.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/1e90a93ac4845c31724ec5dc96fb51e608435a9d
- https://git.kernel.org/stable/c/484b4833c604c0adcf19eac1ca14b60b757355b5
- https://git.kernel.org/stable/c/61866f7d814e5792bf47410d7d3ff32e49bd292a
- https://git.kernel.org/stable/c/6a4480c5e6ebaf9f797ac300e2a97a02d4e70cfd
- https://git.kernel.org/stable/c/ed7a0ba7e840dc5d54cdbd8466be27e6aedce1e5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4