CVE-2022-2590

kernel: unprivileged tampering of shmem files

Published Aug 31, 2022 CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-34838 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.
Ubuntu USN Ubuntu USN USN-6071-1 Linux kernel (OEM) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 12:39 AM
Reserved
Jul 30, 2022, 12:00 AM
Status
Modified
Published
Aug 31, 2022, 4:15 PM
Modified
Jun 17, 2026, 4:42 AM
Severity
Important
Public date
Aug 8, 2022, 2:28 PM