CVEvulnerability

CVE-2026-45951

7.8 HIGH Published 2026-05-27 Modified 2026-06-17 Official page ↗

Status: Analyzed
Published: 2026-05-27
Last modified: 2026-06-17
Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a potential use-after-free of BTF object Refcounting in the check_pseudo_btf_id() function is incorrect: the __check_pseudo_btf_id() function might get called with a zero refcounted btf. Fix this, and patch related code accordingly. v3: rephrase a comment (AI) v2: fix a refcount leak introduced in v1 (AI)

Affected configurations

• linux linux kernel (>= 6.14 < 6.18.14) • linux linux kernel (>= 6.19 < 6.19.4)

Weakness · CWE (1)

CWE-416 Use After Free weakness

References

https://git.kernel.org/stable/c/9ff46ffeecdb1802d6e26183177935b948a12e7f Patch
https://git.kernel.org/stable/c/ccd2d799ed4467c07f5ee18c2f5c59bcc990822c Patch
https://git.kernel.org/stable/c/eac65c272f3b49021a843cba5107d63627395e0e Patch

CVE-2026-45951

Description

Affected configurations

Related

Weakness · CWE (1)

References