Improper Check or Handling of Exceptional Conditions in Linux kernel - CVE-2026-80616
Published: August 28, 2026
Vulnerability identifier: #VU146264
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-80616
CWE-ID: CWE-703
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2026-80616
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3