CVE-2022-49737
highpriority · track · 0EPSS 0.003 · 27 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0572X.Org X11: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-03-16csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in X.Org X11 ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2022-49737cnnvd
- https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=1081338;filename=dix-Hold-input-lock-for-AttachDevice.patch;msg=5cnnvd
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1081338cnnvd
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/dc7cb45482cea6ccec22d117ca0b489500b4d0a0cnnvd
- https://gitlab.freedesktop.org/xorg/xserver/-/issues/1260cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-49737cnnvd
- https://www.x.org/wiki/Patchcnnvd
- https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=1081338;filename=dix-Hold-input-lock-for-AttachDevice.patch;msg=5enisa_euvd
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