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nvd[email protected]NVD:CVE-2023-3161
HistoryJun 12, 2023 - 8:15 p.m.

CVE-2023-3161

2023-06-1220:15:12
CWE-682
CWE-1335
web.nvd.nist.gov
flaw
framebuffer console
font handling
denial of service

5.5 Medium

CVSS3

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

6.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

Affected configurations

NVD
Node
linuxlinux_kernelRange<6.2
OR
linuxlinux_kernelMatch6.2rc1
OR
linuxlinux_kernelMatch6.2rc2
OR
linuxlinux_kernelMatch6.2rc3
OR
linuxlinux_kernelMatch6.2rc4
OR
linuxlinux_kernelMatch6.2rc5
OR
linuxlinux_kernelMatch6.2rc6
Node
fedoraprojectfedoraMatch38
Node
redhatenterprise_linuxMatch8.0
OR
redhatenterprise_linuxMatch9.0

5.5 Medium

CVSS3

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

6.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%