What is CVE-2023-3269?

CVE-2023-3269 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2023-3269 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-3269?

CVE-2023-3269 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-3269?

No patch is currently available for CVE-2023-3269. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-3269 actively exploited?

CVE-2023-3269 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2023-3269

High

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.

Package Linux Kernel

Published 2023-07-11

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2023-3269 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-3269 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Seclists
http://seclists.org/fulldisclosure/2023/Jul/43

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2023/07/28/1

Mailing List
Openwall
http://www.openwall.com/lists/oss-security/2023/08/25/1

Mailing List
Openwall
http://www.openwall.com/lists/oss-security/2023/08/25/4

Mailing List
Red Hat
https://access.redhat.com/security/cve/CVE-2023-3269

Third Party Advisory
Lists
https://lists.fedoraproject.org/archives/list/[email protected]/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/

Mailing List Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20230908-0001/

Third Party Advisory
Openwall
https://www.openwall.com/lists/oss-security/2023/07/05/1

Mailing List
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=2215268
Patch

Details

CVE ID CVE-2023-3269

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2023-07-11

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-3269?

CVE-2023-3269 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2023-3269 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-3269?

CVE-2023-3269 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-3269?

No patch is currently available for CVE-2023-3269. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-3269 actively exploited?

No — CVE-2023-3269 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →