DLA-3372-1

Source
https://storage.googleapis.com/debian-osv/dla-osv/DLA-3372-1.json
Aliases
Published
2023-03-29T00:00:00Z
Modified
2023-04-02T06:15:24.068224Z
Details

Jan-Niklas Sohn discovered that a use-after-free flaw in the Composite extension of the X.org X server may result in privilege escalation if the X server is running under the root user.

For Debian 10 buster, this problem has been fixed in version 2:1.20.4-1+deb10u9.

We recommend that you upgrade your xorg-server packages.

For the detailed security status of xorg-server please refer to its security tracker page at: https://security-tracker.debian.org/tracker/xorg-server

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

References

Affected packages

Debian:10 / xorg-server

xorg-server

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0
Fixed
2:1.20.4-1+deb10u9

Affected versions

2:1.*

2:1.20.4-1
2:1.20.4-1+deb10u1
2:1.20.4-1+deb10u2
2:1.20.4-1+deb10u3
2:1.20.4-1+deb10u4
2:1.20.4-1+deb10u5
2:1.20.4-1+deb10u6
2:1.20.4-1+deb10u7
2:1.20.4-1+deb10u8