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Gentoo Linux: CVE-2023-1393: X.Org X server, XWayland: Multiple Vulnerabilities

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Gentoo Linux: CVE-2023-1393: X.Org X server, XWayland: Multiple Vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/30/2023
Created
05/31/2023
Added
05/31/2023
Modified
05/31/2023

Description

A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window (aka COW), the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-free later.

Solution(s)

  • gentoo-linux-upgrade-x11-base-xorg-server
  • gentoo-linux-upgrade-x11-base-xwayland

References

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