CVE-2023-20588

2023-08-0800:00:00

ubuntu.com

amd processors

speculative data leakage

confidentiality

bugzilla

redhat

suse

unprivileged attacker

data leakage

5.5 Medium

CVSS3

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

0.001 Low

EPSS

Percentile

19.9%

JSON

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

Bugs

Notes

Author	Note
	Priority reason: An unprivileged local attacker can leak data.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-221.232UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-163.180UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-84.93UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-33.33UNKNOWN
ubuntu14.04noarchlinux< anyUNKNOWN
ubuntu16.04noarchlinux< 4.4.0-250.284UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1164.177UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1110.119UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1045.50UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1012.12UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-221.232	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-163.180	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-84.93	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-33.33	UNKNOWN
ubuntu	14.04	noarch	linux	< any	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-250.284	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1164.177	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1110.119	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1045.50	UNKNOWN
ubuntu	23.04	noarch	linux-aws	< 6.2.0-1012.12	UNKNOWN