CVE-2022-21504

MEDIUM

Oracle Linux UEK6 U3 - Use-After-Free in Socket File Descriptor Handling

Title source: llm
STIX 2.1

Description

The code in UEK6 U3 was missing an appropiate file descriptor count to be missing. This resulted in a use count error that allowed a file descriptor to a socket to be closed and freed while it was still in use by another portion of the kernel. An attack with local access can operate on the socket, and cause a denial of service. CVSS 3.1 Base Score 5.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0008
EPSS Percentile 24.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (2)
oracle/linux 7
oracle/linux 8
Published Jun 14, 2022
Tracked Since Feb 18, 2026