Security Advisory

CVE-2026-45951

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-27 12:18:07

Last updated 2026-05-30 10:46:12

Assigner Linux

CVSS score not scored

State PUBLISHED

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)

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