Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
8.8

CVE-2022-46340 affecting package xorg-x11-server 1.20.10-6

published 3 years ago
Summary

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...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
Ecosystem VendorProductAffected versions
Azure Linux:3 azure xorg-x11-server <= 1.20.10-6
Original advisory text
CVE-2022-46340 affecting package xorg-x11-server 1.20.10-6
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Timeline
Published14 Dec 2022
Updated23 Sep 2026
First seen23 Sep 2026
Sources
AZL-44697 · OSV
Track software like this
Free during beta