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amazonAmazonALAS2-2023-1921
HistoryJan 30, 2023 - 4:02 p.m.

Low: udisks2

2023-01-3016:02:00
alas.aws.amazon.com
14
udisks2
kernel panic
system availability
update
cve-2021-3802

CVSS2

6.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:N/I:N/A:C

CVSS3

4.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

3.9

Confidence

High

EPSS

0.001

Percentile

34.0%

Issue Overview:

A vulnerability found in udisks2. This flaw allows an attacker to input a specially crafted image file/USB leading to kernel panic. The highest threat from this vulnerability is to system availability. (CVE-2021-3802)

Affected Packages:

udisks2

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 udisks2 to update your system.

New Packages:

aarch64:  
    udisks2-2.7.3-9.amzn2.0.2.aarch64  
    libudisks2-2.7.3-9.amzn2.0.2.aarch64  
    udisks2-iscsi-2.7.3-9.amzn2.0.2.aarch64  
    udisks2-lvm2-2.7.3-9.amzn2.0.2.aarch64  
    udisks2-lsm-2.7.3-9.amzn2.0.2.aarch64  
    libudisks2-devel-2.7.3-9.amzn2.0.2.aarch64  
    udisks2-debuginfo-2.7.3-9.amzn2.0.2.aarch64  
  
i686:  
    udisks2-2.7.3-9.amzn2.0.2.i686  
    libudisks2-2.7.3-9.amzn2.0.2.i686  
    udisks2-iscsi-2.7.3-9.amzn2.0.2.i686  
    udisks2-lvm2-2.7.3-9.amzn2.0.2.i686  
    udisks2-lsm-2.7.3-9.amzn2.0.2.i686  
    libudisks2-devel-2.7.3-9.amzn2.0.2.i686  
    udisks2-debuginfo-2.7.3-9.amzn2.0.2.i686  
  
src:  
    udisks2-2.7.3-9.amzn2.0.2.src  
  
x86_64:  
    udisks2-2.7.3-9.amzn2.0.2.x86_64  
    libudisks2-2.7.3-9.amzn2.0.2.x86_64  
    udisks2-iscsi-2.7.3-9.amzn2.0.2.x86_64  
    udisks2-lvm2-2.7.3-9.amzn2.0.2.x86_64  
    udisks2-lsm-2.7.3-9.amzn2.0.2.x86_64  
    libudisks2-devel-2.7.3-9.amzn2.0.2.x86_64  
    udisks2-debuginfo-2.7.3-9.amzn2.0.2.x86_64  

Additional References

Red Hat: CVE-2021-3802

Mitre: CVE-2021-3802

CVSS2

6.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:N/I:N/A:C

CVSS3

4.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

3.9

Confidence

High

EPSS

0.001

Percentile

34.0%