CVE-2025-68315
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list.
Affected versions
Linux kernel versions
3.8
and later are affected. Fixed in
6.1.175,
6.6.140,
6.12.58,
6.17.8,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-68315 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/6b9525596a83cd5b7bbc2c7bd5f9ad9cf5ad60fa
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PatchKernel patch commithttps://git.kernel.org/stable/c/88b2ddb0c4f1dc874d4598e78cc830c64315ed86
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PatchKernel patch commithttps://git.kernel.org/stable/c/8fc6056dcf79937c46c97fa4996cda65956437a9
Frequently asked questions
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What is CVE-2025-68315?
CVE-2025-68315 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.8 onward and has been patched in 6.1.175, 6.6.140, 6.12.58 and others. CVE-2025-68315 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-2025-68315?
Yes — CVE-2025-68315 has been patched. Fixed versions include 6.1.175, 6.6.140, 6.12.58 and others. If you are running Linux kernel 3.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68315 actively exploited?
No — CVE-2025-68315 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.