Unrated severityNVD Advisory· Published Jul 20, 2026
Debian linux: In the Linux kernel, the following vulnerability has been resolved: bpf: Propag…
CVE-2026-63864
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.
Affected products
3Patches
Vulnerability mechanics
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