Alibaba Cloud Linux 2.1903 Security Advisory: ALINUX2-SA-2021:0030

Issued: 2021-05-20
Updated: 2021-05-20

Summary

xorg-x11-server security update

Severity

Important

Description

Package updates are available for Alibaba Cloud Linux 2.1903 that fix the following vulnerabilities:

CVE-2021-3472:
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.

References

Updated Packages