CVE-2023-0030

2023-03-0823:15:10

Debian Security Bug Tracker

security-tracker.debian.org

linux kernel

nouveau driver

memory overflow

nvkm_vma_tail function

privilege escalation

unix

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

A use-after-free flaw was found in the Linux kernel’s nouveau driver in how a user triggers a memory overflow that causes the nvkm_vma_tail function to fail. This flaw allows a local user to crash or potentially escalate their privileges on the system.

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 5.2.6-1linux_5.2.6-1_all.deb
Debian11alllinux< 5.2.6-1linux_5.2.6-1_all.deb
Debian999alllinux< 5.2.6-1linux_5.2.6-1_all.deb
Debian13alllinux< 5.2.6-1linux_5.2.6-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 5.2.6-1	linux_5.2.6-1_all.deb
Debian	11	all	linux	< 5.2.6-1	linux_5.2.6-1_all.deb
Debian	999	all	linux	< 5.2.6-1	linux_5.2.6-1_all.deb
Debian	13	all	linux	< 5.2.6-1	linux_5.2.6-1_all.deb