SB20251001128 - Buffer overflow in Linux kernel xfrm
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001128
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-2023-53500)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the xfrmi_xmit() function in net/xfrm/xfrm_interface_core.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/0d27567fde5be5f0edc2db5c110142b7915b8fa8
- https://git.kernel.org/stable/c/44b3d40967009304617a7a6486490c1d6c12f899
- https://git.kernel.org/stable/c/53223f2ed1ef5c90dad814daaaefea4e68a933c8
- https://git.kernel.org/stable/c/86f15300a22656db3fa8c8967defbcd24fac4d37
- https://git.kernel.org/stable/c/bafa236380816b41b2c4c6970d9067fefa4a6c9e
- https://git.kernel.org/stable/c/da4cbaa75ed088b6d70db77b9103a27e2359e243
- https://git.kernel.org/stable/c/db0e50741f0387f388e9ec824ea7ae8456554d5b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.255