CVE-2026-45851 | Linux Kernel up to 6.6.127/6.12.74/6.18.13/6.19.3 efi reserve_unaccepted denial of service (WID-SEC-2026-1700)
A vulnerability was found in Linux Kernel up to 6.6.127/6.12.74/6.18.13/6.19.3. It has been classified as critical. This issue affects the function reserve_unaccepted of the component efi. The manipulation leads to denial of service.
This vulnerability is documented as CVE-2026-45851. The attack requires being on the local network. There is not any exploit available.
Upgrading the affected component is recommended.