VULNERABILITY INTELLIGENCE
CVE-2026-63864
CVSS score8.4 HIGH
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-07-19
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from visit_tailcall_insn Commit e40f5a6bf88a ("bpf: correct stack liveness for tail calls") added visit_tailcall_insn() but did not check its return value.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo