VYPR
Medium severity5.5NVD Advisory· Published Aug 21, 2024· Updated Jun 17, 2026

CVE-2023-52893

CVE-2023-52893

Description

In the Linux kernel, the following vulnerability has been resolved:

gsmi: fix null-deref in gsmi_get_variable

We can get EFI variables without fetching the attribute, so we must allow for that in gsmi.

commit 859748255b43 ("efi: pstore: Omit efivars caching EFI varstore access layer") added a new get_variable call with attr=NULL, which triggers panic in gsmi.

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Affected products

126

Patches

Vulnerability mechanics

References

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