What happened
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() The len field originates from untrusted network packets. Boundary checks have been added to prevent potential out-of-bounds writes when decrypting the connection secret or processing service tickets. [ idryomov: changelog ]
Affected versions
Linux: 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 through before f22c55a20a2d9ffbbac57408d5d488cef8201e9d (git); 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 through before 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09 (git); 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 through before ccbccfba25e9aa395daaea156b5e7790910054c4 (git); 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 through before 5ef575834ca99f719d7573cdece9df2fe2b72424 (git); 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 through before 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850 (git); 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 through before 7fce830ecd0a0256590ee37eb65a39cbad3d64fc (git); 5.11 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.
Public PoC references
No public PoC reference has passed the current publication threshold.