SB20260123111 - NULL pointer dereference in Linux kernel ethernet mscc driver
Published: January 23, 2026
Security Bulletin ID
SB20260123111
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-2026-22982)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ocelot_set_aggr_pgids() function in drivers/net/ethernet/mscc/ocelot.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/03fb1708b7d1e76aecebf767ad059c319845039f
- https://git.kernel.org/stable/c/2985712dc76dfa670eb7fd607c09d4d48e5f5c6e
- https://git.kernel.org/stable/c/34f3ff52cb9fa7dbf04f5c734fcc4cb6ed5d1a95
- https://git.kernel.org/stable/c/8767f238b0e6c3d0b295ac6dce9fbe6a99bd1b9d
- https://git.kernel.org/stable/c/b17818307446c5a8d925a39a792261dbfa930041
- https://git.kernel.org/stable/c/f490af47bbee02441e356a1e0b86e3b3dd5120ff