CVE-2023-4611

HIGH

Linux Kernel < 6.5 - Use-After-Free in Memory Management Subsystem

Title source: llm
STIX 2.1

Description

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind() and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak.

References (3)

Core 3
Core References
Third Party Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-4611
Issue Tracking, Patch, Third Party Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2227244

Scores

CVSS v3 7.0
EPSS 0.0026
EPSS Percentile 16.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (2)
linux/linux_kernel 6.5 rc1 (3 CPE variants)
linux/linux_kernel < 6.5
Published Aug 29, 2023
Tracked Since Feb 18, 2026