Division by zero in Linux kernel - CVE-2026-80610
Published: August 28, 2026
Vulnerability identifier: #VU146280
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-2026-80610
CWE-ID: CWE-369
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 division by zero in enetc4_default_rings_allocation() when distributing rings among PF and VFs with num_vsi set to zero. A local user can trigger the vulnerable code path to cause a denial of service.
The issue affects i.MX94 standalone ENETC configurations that do not support SR-IOV.
Affected software
Linux kernel
How to mitigate CVE-2026-80610
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3