CVE-2026-45951
- Source
- https://cve.org/CVERecord?id=CVE-2026-45951
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45951.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-45951
- Downstream
- Published
- 2026-05-27T12:18:07.255Z
- Modified
- 2026-07-08T08:09:40.325784473Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- bpf: Fix a potential use-after-free of BTF object
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix a potential use-after-free of BTF object
Refcounting in the checkpseudobtf_id() function is incorrect: the _checkpseudobtfid() 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)
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45951.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/9ff46ffeecdb1802d6e26183177935b948a12e7f
- https://git.kernel.org/stable/c/ccd2d799ed4467c07f5ee18c2f5c59bcc990822c
- https://git.kernel.org/stable/c/eac65c272f3b49021a843cba5107d63627395e0e
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45951.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-45951
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git