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CVE-2022-49737

Quick assessment

Affected
X.org X server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

X.Org X Server是X.Org基金会的一款X Window系统显示服务器。 X.Org X Server 20.11至21.1.16版本存在安全漏洞，该漏洞源于主线程在修改输入线程使用的数据结构时未获取锁，可能导致竞争条件。

CVSS 7.7 · High EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-49737

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
资源加锁不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
X.Org X Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
X.Org X Server是X.Org基金会的一款X Window系统显示服务器。 X.Org X Server 20.11至21.1.16版本存在安全漏洞，该漏洞源于主线程在修改输入线程使用的数据结构时未获取锁，可能导致竞争条件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
X.org X server 20.11 ~ 21.1.16 -

II. Public POCs for CVE-2022-49737

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III. Intelligence Information for CVE-2022-49737

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Patches & Fixes for CVE-2022-49737 (1)

Vendor Advisories for CVE-2022-49737 (1)

Other References for CVE-2022-49737 (1)

IV. Related Vulnerabilities

Same vendor: X.org
Same weakness: CWE-413

V. Comments for CVE-2022-49737

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