CVE-2023-20593

2023-07-2420:15:10

Debian Security Bug Tracker

security-tracker.debian.org

zen 2

cpus

microarchitectural

attacker

sensitive information

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

6.8

Confidence

High

EPSS

0.001

Percentile

35.1%

JSON

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

OSVersionArchitecturePackageVersionFilename
Debian12allamd64-microcode< 3.20230719.1~deb12u1amd64-microcode_3.20230719.1~deb12u1_all.deb
Debian11allamd64-microcode< 3.20230719.1~deb11u1amd64-microcode_3.20230719.1~deb11u1_all.deb
Debian999allamd64-microcode< 3.20230719.1amd64-microcode_3.20230719.1_all.deb
Debian13allamd64-microcode< 3.20230719.1amd64-microcode_3.20230719.1_all.deb
Debian12alllinux< 6.1.38-2linux_6.1.38-2_all.deb
Debian11alllinux< 5.10.179-3linux_5.10.179-3_all.deb
Debian999alllinux< 6.4.4-2linux_6.4.4-2_all.deb
Debian13alllinux< 6.4.4-2linux_6.4.4-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	amd64-microcode	< 3.20230719.1~deb12u1	amd64-microcode_3.20230719.1~deb12u1_all.deb
Debian	11	all	amd64-microcode	< 3.20230719.1~deb11u1	amd64-microcode_3.20230719.1~deb11u1_all.deb
Debian	999	all	amd64-microcode	< 3.20230719.1	amd64-microcode_3.20230719.1_all.deb
Debian	13	all	amd64-microcode	< 3.20230719.1	amd64-microcode_3.20230719.1_all.deb
Debian	12	all	linux	< 6.1.38-2	linux_6.1.38-2_all.deb
Debian	11	all	linux	< 5.10.179-3	linux_5.10.179-3_all.deb
Debian	999	all	linux	< 6.4.4-2	linux_6.4.4-2_all.deb
Debian	13	all	linux	< 6.4.4-2	linux_6.4.4-2_all.deb