NULL pointer dereference in QEMU - CVE-2023-40360

 

NULL pointer dereference in QEMU - CVE-2023-40360

Published: January 26, 2024


Vulnerability identifier: #VU85829
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-40360
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the nvme_directive_receive() function in hw/nvme/ctrl.c. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2023-40360

Install updates from vendor's website.

Sources