PT-2023-4550 · Qemu+2 · Qemu+2

CVE-2022-36648

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Published

2023-08-22

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Updated

2026-07-24

CVSS v3.1

10

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions QEMU versions 7.0.0 and earlier
Description The issue is related to errors in pointer dereferencing in the of dpa cmd add l2 flood module of the QEMU hardware emulator. Exploitation of this issue may allow a remote attacker to cause a denial of service and potentially execute arbitrary code on the host by executing a malformed program in the guest OS.
Recommendations For QEMU versions 7.0.0 and earlier, consider disabling the of dpa cmd add l2 flood module of the rocker device model as a temporary workaround until a patch is available. Restrict access to the vulnerable module to minimize the risk of exploitation. Avoid using the rocker device model in virtualization use cases until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

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Weakness Enumeration

Related Identifiers

AZL-28069
AZL-35162
BDU:2023-04956
CVE-2022-36648
OESA-2026-3046
OESA-2026-3101
OESA-2026-3102
OESA-2026-3103

Affected Products

Debian
Qemu
Red Os