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redhatcveRedhat.comRH:CVE-2021-47601
HistoryJun 20, 2024 - 10:54 a.m.

CVE-2021-47601

2024-06-2010:54:50
redhat.com
access.redhat.com
5
linux kernel
cve-47601
vulnerability
resolved
fix
null dereference
__get_free_pages
amdtee
tee

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

EPSS

0

Percentile

5.0%

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.

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

EPSS

0

Percentile

5.0%