CVE-2021-20269

A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1934261	Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1934261	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:46

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1934261 - Issue Tracking, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1934261 - Issue Tracking, Third Party Advisory

Information

Published : 2022-03-10 17:41

Updated : 2024-11-21 05:46

NVD link : CVE-2021-20269

Mitre link : CVE-2021-20269

CVE.ORG link : CVE-2021-20269

JSON object : View

Products Affected

kexec-tools_project

kexec-tools

fedoraproject

fedora

redhat

enterprise_linux

CWE

CWE-276

Incorrect Default Permissions

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