CVE-2025-37939

low-risk
Published 2025-05-20

In the Linux kernel, the following vulnerability has been resolved: libbpf: Fix accessing BTF.ext core_relo header Update btf_ext_parse_info() to ensure the core_relo header is present before reading its fields. This avoids a potential buffer read overflow reported by the OSS Fuzz project.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (3)

Patch https://git.kernel.org/stable/c/0a7c2a84359612e54328aa52030eb202093da6e2
Patch https://git.kernel.org/stable/c/3a67f60f0a8be10cea7a884a1a00e9feb6645657
Patch https://git.kernel.org/stable/c/d529411ec44535308c5d59cbeff74be6fe14b479
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal