CVE-2025-68378
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check in __bpf_get_stackid() Syzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid() when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack map bucket can hold, leading to an out-of-bounds write in the bucket's data array.
Affected versions
Linux kernel versions
5.10.110,
5.15.33,
5.16.19,
5.17.2,
5.18
and later are affected. Fixed in
6.12.63,
6.17.13,
6.18.2,
6.19
and their respective stable series.
References
The following references provide additional information about CVE-2025-68378 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/23f852daa4bab4d579110e034e4d513f7d490846
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PatchKernel patch commithttps://git.kernel.org/stable/c/2a008f6de163279deffd488c1deab081bce5667c
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PatchKernel patch commithttps://git.kernel.org/stable/c/4669a8db976c8cbd5427fe9945f12c5fa5168ff3
Frequently asked questions
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What is CVE-2025-68378?
CVE-2025-68378 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.10.110 onward and has been patched in 6.12.63, 6.17.13, 6.18.2 and others. CVE-2025-68378 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68378?
Yes — CVE-2025-68378 has been patched. Fixed versions include 6.12.63, 6.17.13, 6.18.2 and others. If you are running Linux kernel 5.10.110 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68378 actively exploited?
No — CVE-2025-68378 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.