A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.

Related CVEs

CVE-2021-20320

Key Information

GHSA ID

GHSA-9q69-f33x-263w

Published

February 19, 2022 12:01 AM

Last Modified

June 30, 2023 6:31 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 31, 2025 6:36 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.