VULNERABILITY INTELLIGENCE
CVE-2026-53110
CVSS score7.8 HIGH
EPSS probability0.12%
CISA KEVNot currently listed
Published2026-06-24
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Zero-extend bpf prog return values and kfunc arguments s390x ABI requires callers to zero-extend unsigned arguments and sign-extend signed arguments, and callees to zero-extend unsigned return values and sign-extend signed return values. s390 BPF JIT currently implements only sign extension. Fix this omission and implement zero extension too.
Weakness classification
- CWE-190: Integer Overflow or Wraparound