SB20260123110 - NULL pointer dereference in Linux kernel intel idpf driver
Published: January 23, 2026
Security Bulletin ID
SB20260123110
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-2026-22981)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the idpf_init_mac_addr(), idpf_vport_dealloc(), idpf_init_task(), idpf_check_reset_complete(), idpf_set_vport_state() and idpf_init_hard_reset() functions in drivers/net/ethernet/intel/idpf/idpf_lib.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.