CVE-2026-45951

HIGH

Linux - Use After Free

Title source: rule
STIX 2.1

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)

Scores

CVSS v3 7.8
EPSS 0.0012
EPSS Percentile 2.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (9)
Linux/Linux < 6.14
Linux/Linux 6.14
Linux/Linux 6.18.14 - 6.18.*
Linux/Linux 6.19.4 - 6.19.*
Linux/Linux 7.0
Linux/Linux 76145f7255326761dafb76721a785799d8a00d5f - 9ff46ffeecdb1802d6e26183177935b948a12e7f
Linux/Linux 76145f7255326761dafb76721a785799d8a00d5f - ccd2d799ed4467c07f5ee18c2f5c59bcc990822c
Linux/Linux 76145f7255326761dafb76721a785799d8a00d5f - eac65c272f3b49021a843cba5107d63627395e0e
linux/linux_kernel 6.14 - 6.18.14
Published May 27, 2026
Tracked Since May 27, 2026