CVE-2022-21504

MediumCVSS 5.5/10Last modified Jun 17, 2026

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).

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
Oracle Corporation	Oracle Linux	Oracle Linux: 7; Oracle Linux: 8

References

https://github.com/oracle/linux-uek/commit/49c68f5f892d8c2be00e0a89ff2a035422c03b59Patch, Third Party Advisory
https://github.com/oracle/linux-uek/commit/49c68f5f892d8c2be00e0a89ff2a035422c03b59Patch, Third Party Advisory

Timeline

Published: Jun 14, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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