8.8

CVE-2022-46341: debian debian_linux Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2022-46341DEBIAN-CVE-2022-46341
Published 14-12-2022Last modified 22-04-2025

Vulnerability summary

CVE-2022-46341 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.72% chance of exploitation in the next 30 days, higher than 85.8% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
2.72%
0%100%
Low · +0.20 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 24 · Related 12

Timeline

  1. 14-12-2022
    PublishedVulnerability first disclosed.
  2. 22-04-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

2.72%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

+0.20 pp

From 2.52% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.72%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu4 products
  • xorg-server< 2:1.15.1-0ubuntu2.11+esm7 | < 2:1.18.4-0ubuntu0.12+esm5 | < 2:1.19.6-1ubuntu4.13 | < 2:1.20.13-1ubuntu1~20.04.5 | < 2:21.1.3-2ubuntu2.5
  • xorg-server-hwe-16.04< 2:1.19.6-1ubuntu4.1~16.04.6+esm4
  • xorg-server-hwe-18.04< 2:1.20.8-2ubuntu2.2~18.04.9
  • xwayland< 2:22.1.1-1ubuntu0.4
Debian3 products
  • xorg-server< 2:21.1.5-1
  • xwayland< 2:22.1.6-1
  • debian_linuxEOL11.0
Fedoraproject1 product
X.org1 product

4 vendors · 9 products

References

12 links
Show all 12 references