SB2026012407 - Input validation error in Linux kernel ceph
Published: January 24, 2026
Security Bulletin ID
SB2026012407
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) Input validation error (CVE-ID: CVE-2026-22990)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the osdmap_apply_incremental() function in net/ceph/osdmap.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/4b106fbb1c7b841cd402abd83eb2447164c799ea
- https://git.kernel.org/stable/c/6348d70af847b79805374fe628d3809a63fd7df3
- https://git.kernel.org/stable/c/6afd2a4213524bc742b709599a3663aeaf77193c
- https://git.kernel.org/stable/c/6c6cec3db3b418c4fdf815731bc39e46dff75e1b
- https://git.kernel.org/stable/c/9aa0b0c14cefece078286d78b97d4c09685e372d
- https://git.kernel.org/stable/c/d3613770e2677683e65d062da5e31f48c409abe9
- https://git.kernel.org/stable/c/e00c3f71b5cf75681dbd74ee3f982a99cb690c2b