PT-2023-9605 · Qemu+3 · Qemu+3

Published 2023-08-06 · Updated 2024-06-06 · CVE-2023-40360

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions QEMU versions 8.0.4 and earlier

Description The issue is related to the nvme directive receive() function in the QEMU NVMe emulator, which accesses a NULL pointer because there is no check for whether an endurance group is configured before checking whether Flexible Data Placement is enabled. This can lead to a denial of service.

Recommendations For QEMU versions 8.0.4 and earlier, as a temporary workaround, consider disabling the nvme directive receive() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2023-5203

ALT-PU-2024-6235

ALT-PU-2024-7201

BDU:2024-08735

CVE-2023-40360

USN-6567-1

USN-6567-2

Affected Products

Alt Linux

Linuxmint

Qemu

Ubuntu

References · 92

• 🔥 https://gitlab.com/qemu-project/qemu/-/issues/1815 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3638 · Security Note
• https://bdu.fstec.ru/vul/2022-05840 · Security Note
• https://bdu.fstec.ru/vul/2024-04482 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6693 · Security Note
• https://ubuntu.com/security/CVE-2023-42467 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-4135 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14394 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26327 · Security Note
• https://qemu.org/docs/master/system/security.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-01712 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-42467 · Security Note
• https://errata.altlinux.org/ALT-PU-2024-6235 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-24165 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-01711 · Security Note