PT-2024-3350
CVE-2024-26695
·
تاريخ النشر
2024-02-02
·
تاريخ التحديث
2025-01-07
الوصف من
CVSS 3.1
5.5
متوسطةالمقاييسAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.8.0-rc1+ #311
Description
The vulnerability is related to a null pointer dereference in the
sev platform shutdown locked function. This issue can be triggered when the SEV platform device is shut down with a null psp master, for example, using DEBUG TEST DRIVER REMOVE. The vulnerability was found using KASAN (Kernel Address Sanitizer).Technical details about exploitation include:
- Function Name:
sev platform shutdown locked - Vulnerable Parameter or Variable:
psp master
Recommendations
To resolve this issue, update the Linux kernel to a version that includes the fix for the null pointer dereference in
sev platform shutdown locked. Specifically, versions 6.8.0-rc1+ #311 and later should include this fix.As a temporary workaround, consider disabling the
sev platform shutdown locked function until a patch is available. However, this may have unintended consequences on system functionality and should be approached with caution.For versions prior to the fixed version, there is no information about a newer version that contains a fix for this vulnerability.
قابلية الاستغلال
استغلال
التأثيرات
الباحثون
المورّدون
المنتجات المتأثرة
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