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.

Metadata

CVE ID: CVE-2026-63864
State: PUBLISHED
Assigner: Linux
Reserved: 2026-07-19 07:54 UTC
Published: 2026-07-19 14:04 UTC
Last updated: 2026-07-19 14:04 UTC
Vendor / Product: Linux / Linux
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (2)

Vendor	Product	Platform	Versions
Linux	Linux	—	e40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd < 945816e63c8677cf4bfde963a0774432ce8afc85, e40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd < 6bd96e40f31dde8f8cd79772b4df0f171cf8a915
Linux	Linux	—	6.19, 0 < 6.19, 7.0.10 ≤ 7.0., 7.1 ≤

References (2)

https://git.kernel.org/stable/c/945816e63c8677cf4bfde963a0774432ce8afc85
https://git.kernel.org/stable/c/6bd96e40f31dde8f8cd79772b4df0f171cf8a915

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