CVE-2021-47601

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

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 patch
https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 patch
https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 patch

Frequently Asked Questions

What is the severity of CVE-2021-47601?
CVE-2021-47601 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47601?
To fix CVE-2021-47601, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-47601 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47601 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-47601?
CVE-2021-47601 affects Linux Linux, Linux Linux.
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