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redhatcveRedhat.comRH:CVE-2023-40791
HistoryOct 18, 2023 - 12:58 a.m.

CVE-2023-40791

2023-10-1800:58:50
redhat.com
access.redhat.com
30
cve-2023-40791
memory page flaw
extract_user_to_sg
linux kernel
local user
remote user
system crash

6.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

An unreleased memory page flaw (unpinned) was found in extract_user_to_sg in the lib/scatterlist.c function of the Linux kernel. This flaw allows a local user, or potentially remote user, to crash the system.

6.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%