SB20260123108 - NULL pointer dereference in Linux kernel ceph
Published: January 23, 2026
Security Bulletin ID
SB20260123108
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) NULL pointer dereference (CVE-ID: CVE-2026-22992)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mon_handle_auth_done() function in net/ceph/mon_client.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/33908769248b38a5e77cf9292817bb28e641992d
- https://git.kernel.org/stable/c/77229551f2cf72f3e35636db68e6a825b912cf16
- https://git.kernel.org/stable/c/9e0101e57534ef0e7578dd09608a6106736b82e5
- https://git.kernel.org/stable/c/d2c4a5f6996683f287f3851ef5412797042de7f1
- https://git.kernel.org/stable/c/e097cd858196b1914309e7e3d79b4fa79383754d
- https://git.kernel.org/stable/c/e84b48d31b5008932c0a0902982809fbaa1d3b70