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
5.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.9%
Issue Overview:
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. (CVE-2023-20588)
Affected Packages:
kernel
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update kernel to update your system.
New Packages:
aarch64:
kernel-4.14.322-244.539.amzn2.aarch64
kernel-headers-4.14.322-244.539.amzn2.aarch64
kernel-debuginfo-common-aarch64-4.14.322-244.539.amzn2.aarch64
perf-4.14.322-244.539.amzn2.aarch64
perf-debuginfo-4.14.322-244.539.amzn2.aarch64
python-perf-4.14.322-244.539.amzn2.aarch64
python-perf-debuginfo-4.14.322-244.539.amzn2.aarch64
kernel-tools-4.14.322-244.539.amzn2.aarch64
kernel-tools-devel-4.14.322-244.539.amzn2.aarch64
kernel-tools-debuginfo-4.14.322-244.539.amzn2.aarch64
kernel-devel-4.14.322-244.539.amzn2.aarch64
kernel-debuginfo-4.14.322-244.539.amzn2.aarch64
i686:
kernel-headers-4.14.322-244.539.amzn2.i686
src:
kernel-4.14.322-244.539.amzn2.src
x86_64:
kernel-4.14.322-244.539.amzn2.x86_64
kernel-headers-4.14.322-244.539.amzn2.x86_64
kernel-debuginfo-common-x86_64-4.14.322-244.539.amzn2.x86_64
perf-4.14.322-244.539.amzn2.x86_64
perf-debuginfo-4.14.322-244.539.amzn2.x86_64
python-perf-4.14.322-244.539.amzn2.x86_64
python-perf-debuginfo-4.14.322-244.539.amzn2.x86_64
kernel-tools-4.14.322-244.539.amzn2.x86_64
kernel-tools-devel-4.14.322-244.539.amzn2.x86_64
kernel-tools-debuginfo-4.14.322-244.539.amzn2.x86_64
kernel-devel-4.14.322-244.539.amzn2.x86_64
kernel-debuginfo-4.14.322-244.539.amzn2.x86_64
kernel-livepatch-4.14.322-244.539-1.0-0.amzn2.x86_64
Red Hat: CVE-2023-20588
Mitre: CVE-2023-20588
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
5.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.9%