CVE-2023-20588

2023-08-0818:15:11

Debian Security Bug Tracker

security-tracker.debian.org

amd processors

speculative data

confidentiality

cve-2023-20588

unix

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

17.6%

JSON

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 6.1.52-1linux_6.1.52-1_all.deb
Debian11alllinux< 5.10.197-1linux_5.10.197-1_all.deb
Debian999alllinux< 6.4.13-1linux_6.4.13-1_all.deb
Debian13alllinux< 6.4.13-1linux_6.4.13-1_all.deb
Debian12allxen< 4.17.2+76-ge1f9cb16e2-1~deb12u1xen_4.17.2+76-ge1f9cb16e2-1~deb12u1_all.deb
Debian11allxen<= 4.14.6-1xen_4.14.6-1_all.deb
Debian999allxen< 4.17.2+55-g0b56bed864-1xen_4.17.2+55-g0b56bed864-1_all.deb
Debian13allxen< 4.17.2+55-g0b56bed864-1xen_4.17.2+55-g0b56bed864-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 6.1.52-1	linux_6.1.52-1_all.deb
Debian	11	all	linux	< 5.10.197-1	linux_5.10.197-1_all.deb
Debian	999	all	linux	< 6.4.13-1	linux_6.4.13-1_all.deb
Debian	13	all	linux	< 6.4.13-1	linux_6.4.13-1_all.deb
Debian	12	all	xen	< 4.17.2+76-ge1f9cb16e2-1~deb12u1	xen_4.17.2+76-ge1f9cb16e2-1~deb12u1_all.deb
Debian	11	all	xen	<= 4.14.6-1	xen_4.14.6-1_all.deb
Debian	999	all	xen	< 4.17.2+55-g0b56bed864-1	xen_4.17.2+55-g0b56bed864-1_all.deb
Debian	13	all	xen	< 4.17.2+55-g0b56bed864-1	xen_4.17.2+55-g0b56bed864-1_all.deb