CVE-2022-2590
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...
- Published
- Aug 31, 2022
- Updated
- Aug 3, 2024
- Assigning CNA
- redhat
- Evidence observed
- Aug 25, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 57.5%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- CVE-2022-2590-analysisResearch
In-depth analysis of CVE-2022-2590, a Linux kernel race condition in shared memory (shmem) enabling arbitrary write to read-only pages via userfaultfd and FOLL_FORCE/COW bypass.
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