Home > Vulnerability Database > CVE-2022-33747

Mend.io Vulnerability Database

CVE-2022-33747

Date: October 11, 2022

Arm: unbounded memory consumption for 2nd-level page tables Certain actions require e.g. removing pages from a guest's P2M (Physical-to-Machine) mapping. When large pages are in use to map guest pages in the 2nd-stage page tables, such a removal operation may incur a memory allocation (to replace a large mapping with individual smaller ones). These memory allocations are taken from the global memory pool. A malicious guest might be able to cause the global memory pool to be exhausted by manipulating its own P2M mappings.

Language: C

Severity Score

3.8

Related Resources (14)

Url: https://security.gentoo.org/glsa/202402-07

Url: http://www.openwall.com/lists/oss-security/2022/10/11/5

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/

Url: https://xenbits.xenproject.org/xsa/advisory-409.txt

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/

Url: http://xenbits.xen.org/xsa/advisory-409.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-33747

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/

Url: https://security-tracker.debian.org/tracker/CVE-2022-33747

Url: https://www.debian.org/security/2022/dsa-5272

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/

Url: https://www.mend.io/vulnerability-database/CVE-2022-33747

Severity Score

3.8

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

CVSS v3.1

Base Score:	3.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

Mend.io Vulnerability Database

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CVE-2022-33747

Date: October 11, 2022

Language: C

Severity Score

Related Resources (14)

Severity Score

Weakness Type (CWE)

CVSS v3.1

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