First published: Tue Dec 14 2021(Updated: )
A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcScreenSaverSuspend function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
X.Org X Server | <1.20.14 | |
X.Org X Server | =21.1.0 | |
X.Org X Server | =21.1.1 | |
Fedoraproject Fedora | =34 | |
Fedoraproject Fedora | =35 | |
Debian Debian Linux | =10.0 | |
Debian Debian Linux | =11.0 | |
X.Org Server | ||
ubuntu/xorg-server | <2:1.20.13-1ubuntu2 | 2:1.20.13-1ubuntu2 |
ubuntu/xorg-server | <2:1.20.13-1ubuntu2 | 2:1.20.13-1ubuntu2 |
ubuntu/xorg-server | <21.1.2 | 21.1.2 |
ubuntu/xorg-server | <2:1.20.13-1ubuntu1~20.04.2 | 2:1.20.13-1ubuntu1~20.04.2 |
ubuntu/xorg-server | <2:1.20.11-1ubuntu1.2 | 2:1.20.11-1ubuntu1.2 |
ubuntu/xorg-server | <2:1.20.13-1ubuntu1.1 | 2:1.20.13-1ubuntu1.1 |
ubuntu/xorg-server | <2:1.20.13-1ubuntu2 | 2:1.20.13-1ubuntu2 |
ubuntu/xorg-server-hwe-18.04 | <2:1.20.8-2ubuntu2.2~18.04.6 | 2:1.20.8-2ubuntu2.2~18.04.6 |
ubuntu/xwayland | <2:21.1.1-0ubuntu1.1 | 2:21.1.1-0ubuntu1.1 |
ubuntu/xwayland | <2:21.1.2-0ubuntu1.1 | 2:21.1.2-0ubuntu1.1 |
ubuntu/xwayland | <2:21.1.3-1ubuntu1 | 2:21.1.3-1ubuntu1 |
ubuntu/xwayland | <2:21.1.3-1ubuntu1 | 2:21.1.3-1ubuntu1 |
ubuntu/xwayland | <21.1.4 | 21.1.4 |
ubuntu/xwayland | <2:21.1.3-1ubuntu1 | 2:21.1.3-1ubuntu1 |
debian/xorg-server | 2:1.20.4-1+deb10u4 2:1.20.4-1+deb10u13 2:1.20.11-1+deb11u11 2:21.1.7-3+deb12u5 2:21.1.11-2 | |
debian/xwayland | 2:22.1.9-1 2:23.2.4-1 | |
<1.20.14 | ||
=21.1.0 | ||
=21.1.1 | ||
=34 | ||
=35 | ||
=10.0 | ||
=11.0 |
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CVE-2021-4010 is a vulnerability in X.Org Server that allows local attackers to escalate privileges.
To exploit CVE-2021-4010, an attacker must first execute low-privileged code on the target system.
Yes, X.Org Server 2:1.20.13-1ubuntu2 and earlier versions are affected by CVE-2021-4010.
To fix CVE-2021-4010, update X.Org Server to version 2:1.20.13-1ubuntu2 or apply the recommended security patches.
CVE-2021-4010 has a severity rating of 7.8 (High).