CVE-2025-38201
HighIn the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when resizing hashtable because __GFP_NOWARN is unset. Similar to: b541ba7d1f5a ("netfilter: conntrack: clamp maximum hashtable size to INT_MAX")
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected versions
Linux kernel versions
5.6
and later are affected. Fixed in
5.10.250,
5.15.200,
6.1.163,
6.6.124,
6.12.35,
6.15.4,
6.16
and their respective stable series.
References
The following references provide additional information about CVE-2025-38201 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/0ab3de047808f375a36cd345225572eb3366f3c6
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PatchKernel patch commithttps://git.kernel.org/stable/c/1fe27f97944017a9d3c5af4d6d95282bff0f1147
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PatchKernel patch commithttps://git.kernel.org/stable/c/4abccfb61f422300be014b8e734c63344306f009
Frequently asked questions
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What is CVE-2025-38201?
CVE-2025-38201 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 5.6 onward and has been patched in 5.10.250, 5.15.200, 6.1.163 and others. CVE-2025-38201 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-2025-38201?
CVE-2025-38201 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2025-38201?
Yes — CVE-2025-38201 has been patched. Fixed versions include 5.10.250, 5.15.200, 6.1.163 and others. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-38201 actively exploited?
No — CVE-2025-38201 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.