CVE-2023-3269

Name: CVE-2023-3269
Creator: NVD / NIST
Published: 2023-07-11T12:15:10.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2023-3269 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.55%

71.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 6.1, < 6.1.37
Linux	Linux Kernel	>= 6.2, < 6.3.11
Linux	Linux Kernel	6.4
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux	9.0

References

http://seclists.org/fulldisclosure/2023/Jul/43Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/07/28/1Mailing List
http://www.openwall.com/lists/oss-security/2023/08/25/1Mailing List
http://www.openwall.com/lists/oss-security/2023/08/25/4Mailing List
https://access.redhat.com/security/cve/CVE-2023-3269Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2215268Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230908-0001/Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/07/05/1Mailing List
http://seclists.org/fulldisclosure/2023/Jul/43Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/07/28/1Mailing List
http://www.openwall.com/lists/oss-security/2023/08/25/1Mailing List
http://www.openwall.com/lists/oss-security/2023/08/25/4Mailing List
https://access.redhat.com/security/cve/CVE-2023-3269Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2215268Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20230908-0001/Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/07/05/1Mailing List

Timeline

Published: Jul 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3269?

How severe is CVE-2023-3269?

CVE-2023-3269 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3269?

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-2023-3269?

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

Scan your code now

Source: NVD / NIST