SB20260123107 - Out-of-bounds read in Linux kernel ceph
Published: January 23, 2026
Security Bulletin ID
SB20260123107
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-22984)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the process_auth_done() function in net/ceph/messenger_v2.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96
- https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2
- https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8
- https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e
- https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9
- https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3