QEMU QXL Display Device Emulation qxl_phys2virt out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in QEMU. Affected by this issue is the function qxl_phys2virt of the component QXL Display Device Emulation. The manipulation results in out-of-bounds. This vulnerability was named CVE-2022-4144. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in QEMU (Virtualization Software) (version unknown). Affected is the function qxl_phys2virt of the component QXL Display Device Emulation. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.

The weakness was presented 11/30/2022. The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2022-4144 since 11/25/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/14/2025).

The vulnerability scanner Nessus provides a plugin with the ID 209569 (Oracle Linux 8 : virt:kvm_utils1 (ELSA-2024-12791)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (209569). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209569
Nessus Name: Oracle Linux 8 : virt:kvm_utils1 (ELSA-2024-12791)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/2022 🔍
11/30/2022 +5 days 🔍
11/30/2022 +0 days 🔍
04/14/2025 +866 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: FEDORA-2022-22b1f8dae2
Status: Not defined

CVE: CVE-2022-4144 (🔍)
GCVE (CVE): GCVE-0-2022-4144
GCVE (VulDB): GCVE-100-214578

Entryinfo

Created: 11/30/2022 08:04
Updated: 04/14/2025 22:23
Changes: 11/30/2022 08:04 (38), 12/24/2022 16:22 (1), 12/24/2022 16:29 (9), 10/26/2024 22:38 (17), 04/14/2025 22:23 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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