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CVE-2022-2590

HIGHCVSS 7/10EPSS 0.90%

Last modified

CVE-2022-2590 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

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
7/10

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

EPSS Probability
0.90%

55.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 5.16, < 5.19.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 mappings. This flaw allows an unprivileged, local user to gain write access to read-only memory mappings, increasing their privileges on the system.
How severe is CVE-2022-2590?
CVE-2022-2590 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2022-2590?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-2590?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST