CVE-2021-3472
xdmx: A flaw was found in xorg-x11-server in versions before 1.20.11
CVE-2021-3472 is fixed in 18 products on 1 platform, first by xdmx 2:1.19.6-1ubuntu4.9, released April 13, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0105
64th percentile
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| xdmx · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xdmx 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xdmx · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xdmx 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xdmx-tools · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xdmx-tools 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xdmx-tools · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xdmx-tools 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xmir · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xmir 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xnest · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xnest 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xnest · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xnest 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xorg-server-source · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xorg-server-source 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xorg-server-source · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xorg-server-source 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xorg-server-source-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) | 2:1.20.8-2ubuntu2.2~18.04.5 | xorg-server-source-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.5 | Apr 13, 2021 |
| xserver-common · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xserver-common 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xserver-common · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xserver-common 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xserver-xephyr · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xserver-xephyr 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xserver-xephyr · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xserver-xephyr 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xserver-xephyr-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) | 2:1.20.8-2ubuntu2.2~18.04.5 | xserver-xephyr-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.5 | Apr 13, 2021 |
| xserver-xorg-core · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xserver-xorg-core 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xserver-xorg-core · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xserver-xorg-core-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) | 2:1.20.8-2ubuntu2.2~18.04.5 | xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.5 | Apr 13, 2021 |
| xserver-xorg-dev-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) | 2:1.20.8-2ubuntu2.2~18.04.5 | xserver-xorg-dev-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.5 | Apr 13, 2021 |
| xserver-xorg-legacy · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xserver-xorg-legacy 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xserver-xorg-legacy · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xserver-xorg-legacy 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xserver-xorg-legacy-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) | 2:1.20.8-2ubuntu2.2~18.04.5 | xserver-xorg-legacy-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.5 | Apr 13, 2021 |
| xserver-xorg-xmir · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xserver-xorg-xmir 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xvfb · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xvfb 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xvfb · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xvfb 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xwayland · Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | xwayland 2:1.19.6-1ubuntu4.9 | Apr 13, 2021 |
| xwayland · Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | xwayland 2:1.20.9-2ubuntu1.2~20.04.2 | Apr 13, 2021 |
| xwayland-hwe-18.04 · Ubuntu 18.04.6 LTS (bionic) | 2:1.20.8-2ubuntu2.2~18.04.5 | xwayland-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.5 | Apr 13, 2021 |
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