GHSA-64fh-798g-3h53

GHSA-64fh-798g-3h53 PUBLISHED CVSS 5.5 MEDIUM

Record from GitHub Advisory Database · Published May 13, 2022

The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.

Risk scores

CVSS 3.1

5.5

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Timeline

May 13, 2022 CVE Published
Apr 9, 2026 Distribution Patch (3 in total, the first dated here)
Apr 9, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-64fh-798g-3h53
vulnetix vdb fixes GHSA-64fh-798g-3h53

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-64fh-798g-3h53/fixes/registry"

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