5.5

CVE-2024-35800

efi: fix panic in kdump kernel

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 6.1.81 < 6.1.84
Linux ≫ Linux Kernel Version >= 6.3 < 6.6.24
Linux ≫ Linux Kernel Version >= 6.7 < 6.7.12
Linux ≫ Linux Kernel Version >= 6.8 < 6.8.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.129
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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