What is GHSA-9q69-f33x-263w?

GHSA-9q69-f33x-263w is a security advisory published by GitHub Security Advisories with Medium severity. A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux...

Which CVE IDs does GHSA-9q69-f33x-263w cover?

GHSA-9q69-f33x-263w covers the following CVE IDs: CVE-2021-20320. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9q69-f33x-263w?

GHSA-9q69-f33x-263w has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-9q69-f33x-263wMediumCVSS 5.5

A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux...

Vendor

GitHub Security Advisories

Published

February 19, 2022

Last Modified

October 8, 2026

🔗 CVE IDs covered (1)

CVE-2021-20320 →

📋 Description

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.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2021-20320
https://bugzilla.redhat.com/show_bug.cgi?id=2010090
https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com
https://lore.kernel.org/bpf/[email protected]
https://github.com/advisories/GHSA-9q69-f33x-263w