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High severity7.8NVD Advisory· Published May 27, 2026· Updated Jun 16, 2026

CVE-2026-45951

CVE-2026-45951

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)

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Linux/Kernel2 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.14,<6.18.14
    • (no CPE)
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.14.0, < 6.18.14

Patches

Vulnerability mechanics

References

3

News mentions

0

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