Linux vulnerability

What happened

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: f24e9980eb860d8600cbe5ef3d2fd9295320d229 through before 57f5fbae9f1024aba17ff75e00433324115c548a (git); f24e9980eb860d8600cbe5ef3d2fd9295320d229 through before becc488a4d864db338ebd4e313aa3c77da24b604 (git); f24e9980eb860d8600cbe5ef3d2fd9295320d229 through before e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d (git); f24e9980eb860d8600cbe5ef3d2fd9295320d229 through before b4368b7f97014e1015445d61abd0b27c4c6e8424 (git); f24e9980eb860d8600cbe5ef3d2fd9295320d229 through before ec3797f043756a94ea2d0f106022e14ac4946c02 (git); 2.6.34 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.