5.5

CVE-2021-47601

tee: amdtee: fix an IS_ERR() vs NULL bug

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

tee: amdtee: fix an IS_ERR() vs NULL bug

The __get_free_pages() function does not return error pointers it returns
NULL so fix this condition to avoid a NULL dereference.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.6 < 5.10.88
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.11
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.146
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/640e28d618e82be78fb43b4bf5113bc90d6aa442
Patch
https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1
Patch
https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6
Patch