Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-6478: A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information. CVE-2023-6377: A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.
Fixed packages 10
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | xorg-x11-server-common | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-debuginfo | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-devel | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-source | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-Xdmx | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-Xephyr | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-Xnest | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-Xorg | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-Xvfb | 0:1.20.4-22.amzn2.0.3 |
| Amazon Linux · 2 | xorg-x11-server-Xwayland | 0:1.20.4-22.amzn2.0.3 |
Vulnerabilities 2
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High 7.8
Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions
A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where …
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High 7.6
Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.