CVE-2022-2590

HighCVSS 7.0/10Last modified Jun 17, 2026

Description

A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only shared memory mappings. This flaw allows an unprivileged, local user to gain write access to read-only memory mappings, increasing their privileges on the system.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362

Affected software

Vendor	Product	Versions
n/a	Linux kernel	Linux kernel 5.16 onwards

References

https://lore.kernel.org/linux-mm/20220808073232.8808-1-david%40redhat.com/Vendor Advisory
https://www.openwall.com/lists/oss-security/2022/08/08/1Mailing List, Third Party Advisory
https://lore.kernel.org/linux-mm/20220808073232.8808-1-david%40redhat.com/Vendor Advisory
https://www.openwall.com/lists/oss-security/2022/08/08/1Mailing List, Third Party Advisory

Timeline

Published: Aug 31, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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