CVE-2025-68283libceph: replace BUG_ON with bounds check for map->max_osd
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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 ]
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Deferred
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from f24e9980eb860d8600cbe5ef3d2fd9295320d229 before 57f5fbae9f1024aba17ff75e00433324115c548a; from f24e9980eb860d8600cbe5ef3d2fd9295320d229 before becc488a4d864db338ebd4e313aa3c77da24b604; from f24e9980eb860d8600cbe5ef3d2fd9295320d229 before e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d; from f24e9980eb860d8600cbe5ef3d2fd9295320d229 before b4368b7f97014e1015445d61abd0b27c4c6e8424; from f24e9980eb860d8600cbe5ef3d2fd9295320d229 before ec3797f043756a94ea2d0f106022e14ac4946c02 | CNA record |
References
- https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548a
- https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604
- https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d
- https://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424
- https://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.