Vulnerability record · CVE-2026-63864 · published 19 July 2026
CVE-2026-63864: In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from visit_tailcall_…
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.
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
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Source: NIST National Vulnerability Database (record CVE-2026-63864), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.