high7.7
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…
Impact
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 products
| Product | Affected versions |
|---|---|
| X.Org X Server 20.11 | through 21.1.16 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=1081338;filename=dix-Hold-input-lock-for-AttachDevice.patch;msg=5
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1081338
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/dc7cb45482cea6ccec22d117ca0b489500b4d0a0
- https://gitlab.freedesktop.org/xorg/xserver/-/issues/1260
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1081338