CVE-2026-99258 | Linux Kernel up to 6.12.114/6.18.58/7.2.12 hyperv hv_apicid_to_vp_index allocation of resources

November 3, 2026 Yanac

A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 6.12.114/6.18.58/7.2.12. This vulnerability affects the function hv_apicid_to_vp_index of the component hyperv. The manipulation leads to allocation of resources.

This vulnerability is referenced as CVE-2026-99258. Remote exploitation of the attack is possible. No exploit is available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More