CVE-2025-38202
MediumIn the Linux kernel, the following vulnerability has been resolved: bpf: Check rcu_read_lock_trace_held() in bpf_map_lookup_percpu_elem() bpf_map_lookup_percpu_elem() helper is also available for sleepable bpf program. When BPF JIT is disabled or under 32-bit host, bpf_map_lookup_percpu_elem() will not be inlined. Using it in a sleepable bpf program will trigger the warning in bpf_map_lookup_percpu_elem(), because the bpf program only holds rcu_read_lock_trace lock. Therefore, add the missed check.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
The following references provide additional information about CVE-2025-38202 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Mailing List Third Party Advisory
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PatchKernel patch commithttps://git.kernel.org/stable/c/2d834477bbc1e8b8a59ff8b0c081529d6bed7b22
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PatchKernel patch commithttps://git.kernel.org/stable/c/2f8c69a72e8ad87b36b8052f789da3cc2b2e186c
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PatchKernel patch commithttps://git.kernel.org/stable/c/7bf4461f1c97207fda757014690d55a447ce859f
Frequently asked questions
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What is CVE-2025-38202?
CVE-2025-38202 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2025-38202 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2025-38202?
CVE-2025-38202 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2025-38202?
No patch is currently available for CVE-2025-38202. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2025-38202 actively exploited?
No — CVE-2025-38202 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.