CVE-2025-68283
In the Linux kernel, the following vulnerability has been resolved: libceph: replace BUG_ON with bounds check for map->max_osd OSD indexes come from untrusted network packets. Boundary checks are added to validate these against map->max_osd. [ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic edits ]
Affected versions
Linux kernel versions
2.6.34
and later are affected. Fixed in
6.1.159,
6.6.119,
6.12.61,
6.17.11,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-68283 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/57f5fbae9f1024aba17ff75e00433324115c548a
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PatchKernel patch commithttps://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424
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PatchKernel patch commithttps://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604
Frequently asked questions
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What is CVE-2025-68283?
CVE-2025-68283 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.34 onward and has been patched in 6.1.159, 6.6.119, 6.12.61 and others. CVE-2025-68283 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-2025-68283?
Yes — CVE-2025-68283 has been patched. Fixed versions include 6.1.159, 6.6.119, 6.12.61 and others. If you are running Linux kernel 2.6.34 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68283 actively exploited?
No — CVE-2025-68283 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.