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CVE-2022-46340

nvd nist
Published: Dec 14, 2022Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. This issue does not affect systems where client and server use the same byte order.

Affected (4)

1 product
X Server
1 product
Fedora
1 product
Debian Linux
Configuration A
1 vulnerable · 4 platform
Vulnerable SoftwareAffected Versions
Version 1.20.4
Running on/withPlatform Versions
Redhat
Enterprise Linux
Version 6.0
Redhat
Enterprise Linux
Version 7.0
Redhat
Enterprise Linux
Version 8.0
Redhat
Enterprise Linux
Version 9.0
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Version 36
Version 37
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 11.0

References (16)

Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.