QID 352822

Date Published: 2021-09-15

QID 352822: Amazon Linux Security Advisory for xorg-x11-server: AL2012-2021-346

Package updates are available for amazon linux that fix the following vulnerabilities:
cve-2021-3472: a flaw was found in xorg-x11-server.
An interger 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.
1944167: cve-2021-3472 xorg-x11-server: xchangefeedbackcontrol integer underflow leads to privilege escalation

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as High - 7.2 severity.

Solution

Administrators are advised to apply the appropriate software updates.

Vendor References

CVEs related to QID 352822

CVE-2021-3472 |

Software Advisories

Advisory ID	Software	Component	Link
AL2012-2021-346	Amazon Linux Bare Metal		docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-updates.html

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