libceph: replace BUG_ON with bounds check for map->max_osd
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
exploitation probability
0.5%top 57% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548ahttps://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30dhttps://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02