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CVE-2022-33746

MEDIUM
6.5
CVSS Score
Published: October 11, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:49 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraXen

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
11.0
Fedora· Fedora Projectrpm
95%
353637
Xen· Xenwordpress-plugin
95%
4.13.0 ≤ v ≤ 4.16.1
Vendor states this is fixed in consult Xen advisory XSA-410 (unknown)

References (8)

Mailing ListMitigationPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/10/11/3
MitigationPatchVendor Advisory
Source: [email protected]
http://xenbits.xen.org/xsa/advisory-410.html
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202402-07
Vendor AdvisoryThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2022/dsa-5272
MitigationPatchVendor Advisory
Source: [email protected]
https://xenbits.xenproject.org/xsa/advisory-410.txt

CVSS

6.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404

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