CVE-2021-47601

MEDIUM

Linux Kernel 5.6-5.10.88 5.15.11-5.15.* 5.16 - NULL Pointer Dereference in AMD TEE Driver

Title source: llm

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.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442

Patch

https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1

Patch

https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6

Scores

CVSS v3 5.5

EPSS 0.0024

EPSS Percentile 14.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (9)

Linux/Linux < 5.6

Linux/Linux 5.10.88 - 5.10.*

Linux/Linux 5.15.11 - 5.15.*

Linux/Linux 5.16

Linux/Linux 5.6

Linux/Linux 757cc3e9ff1d72d014096399d6e2bf03974d9da1 - 640e28d618e82be78fb43b4bf5113bc90d6aa442

Linux/Linux 757cc3e9ff1d72d014096399d6e2bf03974d9da1 - 832f3655c6138c23576ed268e31cc76e0f05f2b1

Linux/Linux 757cc3e9ff1d72d014096399d6e2bf03974d9da1 - 9d7482771fac8d8e38e763263f2ca0ca12dd22c6

linux/linux_kernel 5.6 - 5.10.88

Published Jun 19, 2024

Tracked Since Feb 18, 2026