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CVE-2022-33746

Date: October 10, 2022

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.

Language: C

Severity Score

Related Resources (14)

https://security.gentoo.org/glsa/202402-07
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/
http://xenbits.xen.org/xsa/advisory-410.html
http://www.openwall.com/lists/oss-security/2022/10/11/3
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/
https://nvd.nist.gov/vuln/detail/CVE-2022-33746
https://xenbits.xenproject.org/xsa/advisory-410.txt
https://security-tracker.debian.org/tracker/CVE-2022-33746
https://www.debian.org/security/2022/dsa-5272
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
https://www.mend.io/vulnerability-database/CVE-2022-33746

Severity Score

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

CVSS v3.1

Base Score:
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): HIGH

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