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Debian: CVE-2023-1393: xorg-server, xwayland -- security update

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Debian: CVE-2023-1393: xorg-server, xwayland -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/31/2023
Created
04/01/2023
Added
03/31/2023
Modified
10/19/2023

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)

  • debian-upgrade-xorg-server
  • debian-upgrade-xwayland

References

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