CVE-2024-35800 Information

Description

In the Linux kernel the following vulnerability has been resolved:

efi: fix panic in kdump kernel

Check if get_next_variable() is actually valid pointer before calling it. In kdump kernel this method is set to NULL that causes panic during the kexec-ed kernel boot.

Tested with QEMU and OVMF firmware.

Reference

https://git.kernel.org/stable/c/b9d103aca85f082a343b222493f3cab1219aaaf4 https://git.kernel.org/stable/c/9114ba9987506bcfbb454f6e68558d68cb1abbde https://git.kernel.org/stable/c/7784135f134c13af17d9ffb39a57db8500bc60ff https://git.kernel.org/stable/c/090d2b4515ade379cd592fbc8931344945978210 https://git.kernel.org/stable/c/62b71cd73d41ddac6b1760402bbe8c4932e23531