SB20260815340 - Improper Check or Handling of Exceptional Conditions in Linux kernel afs
Published: August 15, 2026
Security Bulletin ID
SB20260815340
CSH 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 vulnerability.
1) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2026-72378)
CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper error handling in afs_extract_vl_addrs() when parsing AFS volume location address data. A local user can trigger processing of malformed address data to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4897cb71d4ab1f7e1a214adb1e4b80176702368d
- https://git.kernel.org/stable/c/4e0b047848a855f2c933a6439f76a01743ba5620
- https://git.kernel.org/stable/c/7ce6737a975ea3e0dc2e5946628d233779ca0caf
- https://git.kernel.org/stable/c/8530206911fd66ad739ca5ce95f1d069f3d42204
- https://git.kernel.org/stable/c/9ad9016e3333c3c1f9284a253ff0658369e07aac
- https://git.kernel.org/stable/c/bdcd80ff12939d172043fac5eb822b92366a1bab
- https://git.kernel.org/stable/c/cb33dd2968588c78fad78dec19f61cabe5785494
- https://git.kernel.org/stable/c/f70fbf2b974b63a7042705c2b0464cb8c97e9f34