CVE-2023-3269

HIGH EXPLOITED

Linux Kernel < 6.1.37 - Use After Free

Title source: rule

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.

Exploits (1)

nomisec WORKING POC 494 stars

by lrh2000 · local

https://github.com/lrh2000/StackRot

View Code ZIP pw:eip

References (9)

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2023/Jul/43

[Mailing List] http://www.openwall.com/lists/oss-security/2023/07/28/1

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

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

[Third Party Advisory] https://access.redhat.com/security/cve/CVE-2023-3269

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=2215268

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

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20230908-0001/

[Mailing List] https://www.openwall.com/lists/oss-security/2023/07/05/1

Scores

CVSS v3 7.8

EPSS 0.0022

EPSS Percentile 45.1%

Attack Vector LOCAL

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

Details

VulnCheck KEV 2024-12-06

CWE

CWE-416

Status published

Products (8)

fedoraproject/fedora 37

fedoraproject/fedora 38

linux/linux_kernel 6.4 (8 CPE variants)

linux/linux_kernel 6.1 - 6.1.37

redhat/enterprise_linux 6.0

redhat/enterprise_linux 7.0

redhat/enterprise_linux 8.0

redhat/enterprise_linux 9.0

Published Jul 11, 2023

Tracked Since Feb 18, 2026