SB20260528111 - Incorrect calculation in Linux kernel bpf
Published: May 28, 2026
Security Bulletin ID
SB20260528111
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) Incorrect calculation (CVE-ID: CVE-2026-45967)
CWE-ID: CWE-682 - Incorrect Calculation
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to incorrect calculation of an address offset in map_direct_value_addr() in the bpf instruction array handling when resolving pseudo ldimm64 references. A local user can trigger the flawed address calculation to cause a denial of service.
Remediation
Install update from vendor's website.