CVE-2022-49737: x.org x_server Improper Resource Locking
CVSS: 7.7v3.1HighDeferred
AliasesSUSE-SU-2025:0984-1UBUNTU-CVE-2022-49737DEBIAN-CVE-2022-49737CGA-78p6-v3jw-58j8CGA-wjqh-hv86-whfcopenSUSE-SU-2025:14916-1
Published 16-03-2025Last modified 17-03-2025
Vulnerability summary
CVE-2022-49737 is a high (CVSS 7.7) Improper Resource Locking vulnerability in x.org x_server. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.1% of scored vulnerabilities.
CVSS score
7.7/10
010
High · v3.1 (CVE.org)EPSS score
0.34%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 16-03-2025PublishedVulnerability first disclosed.
- 17-03-2025Last modifiedVulnerability information updated.
Description
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 metrics
6 scores · 6 sources · 1 versionHigh 7.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:HSourcesAll 6 agree
- OSV · UbuntuEcosystem advisory · calculated7.7HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
- OSV · DebianEcosystem advisory · calculated7.7HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
- OSV · WolfiEcosystem advisory · calculated7.7HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
- OSV · ChainguardEcosystem advisory · calculated7.7HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
- NVDNIST7.7HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
+0.01 pp
From 0.33% on 19-09-2026
19-09-202619-10-2026
EPSS score0.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu4 products
- xorg-serverAll versions (No fix recorded) | < 2:21.1.18-1ubuntu1
- xorg-server-hwe-16.04All versions (No fix recorded)
- xorg-server-hwe-18.04All versions (No fix recorded)
- xwaylandAll versions (No fix recorded)
Opensuse2 products
- xorg-x11-server&distro=openSUSE Leap 15.6< 21.1.11-150600.5.9.1
- xorg-x11-server&distro=openSUSE Tumbleweed< 21.1.15-3.1
Suse2 products
- xorg-x11-server&distro=SUSE Linux Enterprise Module for Basesystem 15 SP6< 21.1.11-150600.5.9.1
- xorg-x11-server&distro=SUSE Linux Enterprise Module for Development Tools 15 SP6< 21.1.11-150600.5.9.1
Chainguard1 product
- xorg-server< 21.1.20-r0
Debian1 product
- xorg-server< 2:21.1.7-3+deb12u13 | < 2:21.1.16-1.1
Wolfi1 product
- xorg-server< 21.1.20-r0
X.org1 product
- x_server≥ 20.11, ≤ 21.1.16
7 vendors · 12 products
