CVE-2022-49737: In X.Org X server 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by…

high7.7CVSS 3.1

AVNACHPRLUINSCCLILAH

In X.Org X server 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by the input thread without acquiring a lock, aka a race condition. In particular, AttachDevice in dix/devices.c does not acquire an input lock.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
debian	xorg-server	< xorg-server 2:21.1.16-1.1 (forky)	xorg-server 2:21.1.16-1.1 (forky)
x.org	x_server	20.11 – 21.1.16	—
x.org	xorg-server	>= 0 < 2:21.1.16-1.1	2:21.1.16-1.1
x.org	xorg-server	>= 0 < 2:21.1.16-1.1	2:21.1.16-1.1

CVSS provenance

nvdv3.17.7HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

osv7.7HIGH