Use after free in Linux kernel - CVE-2023-4611
Published: August 29, 2023 / Updated: September 1, 2023
Vulnerability identifier: #VU92726
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-4611
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to read data or crash the application.
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.
Affected software
Linux kernel
How to mitigate CVE-2023-4611
Install update from vendor's repository.