Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2023-0494: A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
Fixed packages 15
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | xorg-x11-server-common | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-debuginfo | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-debugsource | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-devel | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-source | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xdmx | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xdmx-debuginfo | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xephyr | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xephyr-debuginfo | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xnest | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xnest-debuginfo | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xorg | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xorg-debuginfo | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xvfb | 0:1.20.14-18.amzn2023.0.1 |
| Amazon Linux · 2023 | xorg-x11-server-Xvfb-debuginfo | 0:1.20.14-18.amzn2023.0.1 |
Vulnerabilities 1
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High 7.8
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be e…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-0494.html