CVE-2025-68283

libceph: replace BUG_ON with bounds check for map->max_osd

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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 products

Linux · Linux

References

https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548a https://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424 https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604 https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d https://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02