Xen p2m Mapping denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Xen. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component p2m Mapping Handler. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2022-33746. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Xen (Virtualization Software) (version unknown). This affects an unknown function of the component p2m Mapping Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing.

The weakness was released 10/11/2022. The advisory is shared at xenbits.xenproject.org. This vulnerability is uniquely identified as CVE-2022-33746 since 06/15/2022. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211008 (Fedora 37 : xen (2022-d80cc73088)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (211008). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211008
Nessus Name: Fedora 37 : xen (2022-d80cc73088)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2022 🔍
10/11/2022 +118 days 🔍
10/11/2022 +0 days 🔍
11/17/2024 +768 days 🔍

Sourcesinfo

Advisory: FEDORA-2022-5b594b82ac
Status: Confirmed

CVE: CVE-2022-33746 (🔍)
GCVE (CVE): GCVE-0-2022-33746
GCVE (VulDB): GCVE-100-210441

Entryinfo

Created: 10/11/2022 16:30
Updated: 11/17/2024 21:09
Changes: 10/11/2022 16:30 (38), 11/05/2022 09:34 (1), 11/05/2022 09:38 (11), 11/17/2024 21:09 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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