QEMU up to 7.0.0 Rocker Device Model of_dpa_cmd_add_l2_flood denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability was found in QEMU up to 7.0.0 (Virtualization Software) and classified as critical. This issue affects the function of_dpa_cmd_add_l2_flood of the component Rocker Device Model. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier, allows remote attackers to crash the host qemu and potentially execute code on the host via execute a malformed program in the guest OS.

The weakness was published 08/23/2023. It is possible to read the advisory at lists.nongnu.org. The identification of this vulnerability is CVE-2022-36648 since 07/25/2022. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/14/2023). The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/25/2022 CVE reserved
08/23/2023 +394 days Advisory disclosed
08/23/2023 +0 days VulDB entry created
09/14/2023 +22 days VulDB entry last update

Sourcesinfo

Product: qemu.org

Advisory: lists.nongnu.org
Status: Not defined

CVE: CVE-2022-36648 (🔒)

Entryinfo

Created: 08/23/2023 07:38
Updated: 09/14/2023 14:17
Changes: 08/23/2023 07:38 (39), 09/14/2023 14:17 (11)
Complete: 🔍
Cache ID: 18:A4A:103

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