This bug was fixed in the package xorg-server -
2:1.20.13-1ubuntu1~20.04.8
---------------
xorg-server (2:1.20.13-1ubuntu1~20.04.8) focal-security; urgency=medium
* SECURITY UPDATE: Overlay Window Use-After-Free
- debian/patches/CVE-2023-1393.patch: fix use-after-free of the COW in
composite/compwindow.c.
- CVE-2023-1393
-- Marc Deslauriers <[email protected]> Wed, 29 Mar 2023
08:53:02 -0400
** Changed in: xorg-server (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-1393
--
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https://bugs.launchpad.net/bugs/2007746
Title:
[SRU] xserver crashes when hyperv_drm kernel module is loaded on azure
NV series instances w/ nvidia grid driver
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