Anolis OS update for xorg-x11-server

Published: 2022-08-20 | Updated: 2025-03-28

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-2319 CVE-2022-2320
CWE-ID	CWE-787
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Anolis OS Operating systems & Components / Operating system xorg-x11-server-source Operating systems & Components / Operating system package or component xorg-x11-server-devel Operating systems & Components / Operating system package or component xorg-x11-server-common Operating systems & Components / Operating system package or component xorg-x11-server-Xwayland Operating systems & Components / Operating system package or component xorg-x11-server-Xvfb Operating systems & Components / Operating system package or component xorg-x11-server-Xorg Operating systems & Components / Operating system package or component xorg-x11-server-Xnest Operating systems & Components / Operating system package or component xorg-x11-server-Xephyr Operating systems & Components / Operating system package or component xorg-x11-server-Xdmx Operating systems & Components / Operating system package or component
Vendor	OpenAnolis

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU65222

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2319

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the ProcXkbSetGeometry request handler of the Xkb extension. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 7

xorg-x11-server-source: before 1.20.4-18

xorg-x11-server-devel: before 1.20.4-18

xorg-x11-server-common: before 1.20.4-18

xorg-x11-server-Xwayland: before 1.20.4-18

xorg-x11-server-Xvfb: before 1.20.4-18

xorg-x11-server-Xorg: before 1.20.4-18

xorg-x11-server-Xnest: before 1.20.4-18

xorg-x11-server-Xephyr: before 1.20.4-18

xorg-x11-server-Xdmx: before 1.20.4-18

CPE2.3

External links

https://anas.openanolis.cn/errata/detail/ANSA-2022:0642

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU65223