// For flags

CVE-2022-3551

X.org Server xkb.c ProcXkbGetKbdByName memory leak

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211052.

Se ha encontrado una vulnerabilidad, clasificada como problemática, en X.org Server. Este problema afecta a la función ProcXkbGetKbdByName del archivo xkb/xkb.c. La manipulación conlleva a una pérdida de memoria. Es recomendado aplicar un parche para corregir este problema. El identificador de esta vulnerabilidad es VDB-211052

A flaw was found in the xorg-x11-server package. The ProcXkbGetKbdByName function in xkb/xkb.c does not release allocated data when an error is encountered, allowing for a memory leak.

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Issues addressed include buffer overflow, memory leak, out of bounds access, and use-after-free vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2022-10-17 CVE Reserved
  • 2022-10-17 CVE Published
  • 2025-04-13 EPSS Updated
  • 2025-04-15 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-401: Missing Release of Memory after Effective Lifetime
  • CWE-404: Improper Resource Shutdown or Release
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
X.org
Search vendor "X.org"
 X Server
Search vendor "X.org" for product "X Server"
 < 21.1.6
Search vendor "X.org" for product "X Server" and version " < 21.1.6"
-
Affected
Debian
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 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected
Debian
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 Debian Linux
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 11.0
Search vendor "Debian" for product "Debian Linux" and version "11.0"
-
Affected
Fedoraproject
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 Fedora
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 35
Search vendor "Fedoraproject" for product "Fedora" and version "35"
-
Affected
Fedoraproject
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 Fedora
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 36
Search vendor "Fedoraproject" for product "Fedora" and version "36"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 37
Search vendor "Fedoraproject" for product "Fedora" and version "37"
-
Affected