CVE-2022-2320

Severity
7.8HIGH
EPSS
0.1%
top 81.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 1
Latest updateJul 16

Description

A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

Debianxorg-server< 2:1.20.11-1+deb11u2+3
CVEListV5xorg-x11-serverxorg-x11-server 21.1
NVDx.org/x_server21.1.0
Debianxwayland< 2:22.1.3-1+2

Patches

🔴Vulnerability Details

3
GHSA
GHSA-w5qv-457x-4w67: A flaw was found in the Xorg-x11-server2022-09-02
OSV
CVE-2022-2320: A flaw was found in the Xorg-x11-server2022-09-01
CVEList
CVE-2022-2320: A flaw was found in the Xorg-x11-server2022-09-01

📋Vendor Advisories

5
Red Hat
kernel: usb: gadget: Fix use-after-free bug by not setting udc-&gt;dev.driver2024-07-16
Ubuntu
X.Org X Server vulnerabilities2022-07-12
Ubuntu
X.Org X Server vulnerabilities2022-07-12
Red Hat
xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo request handler of the Xkb extension2022-07-12
Debian
CVE-2022-2320: xorg-server - A flaw was found in the Xorg-x11-server. The specific flaw exists within the han...2022
CVE-2022-2320 (HIGH CVSS 7.8) | A flaw was found in the Xorg-x11-se | cvebase.io