SB20260828181 - Improper Check or Handling of Exceptional Conditions in Linux kernel ieee802154
Published: August 28, 2026
Security Bulletin ID
SB20260828181
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2026-80616)
CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of memory allocation failures in cfg802154_switch_netns() when switching network namespaces. A local user can trigger an -ENOMEM condition to cause a denial of service.
The issue was identified in the ieee802154 subsystem.
Remediation
Install update from vendor's website.