CVE-2025-21976 | Linux Kernel up to 6.12.19/6.13.7 hyperv_fb fb_info.c buffer overflow (Nessus ID 237099 / WID-SEC-2025-0683)
A vulnerability was found in Linux Kernel up to 6.12.19/6.13.7. It has been classified as critical. This issue affects some unknown processing of the file drivers/video/fbdev/core/fb_info.c of the component hyperv_fb. This manipulation causes buffer overflow.
This vulnerability appears as CVE-2025-21976. The attacker needs to be present on the local network. There is no available exploit.
Upgrading the affected component is recommended.