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amazonAmazonALAS-2023-1819
HistoryAug 30, 2023 - 5:56 p.m.

Medium: kernel

2023-08-3017:56:00
alas.aws.amazon.com
27
amd processors
speculative data
confidentiality
cve-2023-20588
update
red hat
mitre
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

7.2

Confidence

High

EPSS

0.001

Percentile

17.6%

JSON

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

Issue Correction:
Run yum update kernel to update your system.

New Packages:

i686:  
    kernel-4.14.322-170.538.amzn1.i686  
    kernel-headers-4.14.322-170.538.amzn1.i686  
    perf-4.14.322-170.538.amzn1.i686  
    perf-debuginfo-4.14.322-170.538.amzn1.i686  
    kernel-tools-4.14.322-170.538.amzn1.i686  
    kernel-debuginfo-common-i686-4.14.322-170.538.amzn1.i686  
    kernel-tools-devel-4.14.322-170.538.amzn1.i686  
    kernel-debuginfo-4.14.322-170.538.amzn1.i686  
    kernel-tools-debuginfo-4.14.322-170.538.amzn1.i686  
    kernel-devel-4.14.322-170.538.amzn1.i686  
  
src:  
    kernel-4.14.322-170.538.amzn1.src  
  
x86_64:  
    kernel-debuginfo-common-x86_64-4.14.322-170.538.amzn1.x86_64  
    kernel-tools-devel-4.14.322-170.538.amzn1.x86_64  
    kernel-tools-debuginfo-4.14.322-170.538.amzn1.x86_64  
    perf-4.14.322-170.538.amzn1.x86_64  
    kernel-headers-4.14.322-170.538.amzn1.x86_64  
    kernel-tools-4.14.322-170.538.amzn1.x86_64  
    kernel-4.14.322-170.538.amzn1.x86_64  
    kernel-debuginfo-4.14.322-170.538.amzn1.x86_64  
    kernel-devel-4.14.322-170.538.amzn1.x86_64  
    perf-debuginfo-4.14.322-170.538.amzn1.x86_64

Additional References

Red Hat: CVE-2023-20588

Mitre: CVE-2023-20588

OSVersionArchitecturePackageVersionFilename
Amazon Linux1i686kernel< 4.14.322-170.538.amzn1kernel-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686kernel-headers< 4.14.322-170.538.amzn1kernel-headers-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686perf< 4.14.322-170.538.amzn1perf-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686perf-debuginfo< 4.14.322-170.538.amzn1perf-debuginfo-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686kernel-tools< 4.14.322-170.538.amzn1kernel-tools-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686kernel-debuginfo-common-i686< 4.14.322-170.538.amzn1kernel-debuginfo-common-i686-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686kernel-tools-devel< 4.14.322-170.538.amzn1kernel-tools-devel-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686kernel-debuginfo< 4.14.322-170.538.amzn1kernel-debuginfo-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686kernel-tools-debuginfo< 4.14.322-170.538.amzn1kernel-tools-debuginfo-4.14.322-170.538.amzn1.i686.rpm
Amazon Linux1i686kernel-devel< 4.14.322-170.538.amzn1kernel-devel-4.14.322-170.538.amzn1.i686.rpm
Rows per page:
1-10 of 201

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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

7.2

Confidence

High

EPSS

0.001

Percentile

17.6%

JSON
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