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Vulnerability Details : CVE-2022-33748

lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path. While doing so, locking requirements were not paid attention to. As a result two cooperating guests granting each other transitive grants can cause locks to be acquired nested within one another, but in respectively opposite order. With suitable timing between the involved grant copy operations this may result in the locking up of a CPU.
Publish Date : 2022-10-11 Last Update Date : 2022-12-12
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- CVSS Scores & Vulnerability Types

CVSS Score
0.0
Confidentiality Impact ???
Integrity Impact ???
Availability Impact ???
Access Complexity ???
Authentication ???
Gained Access None
Vulnerability Type(s)
CWE ID 755

- Products Affected By CVE-2022-33748

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 11.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 36 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 37 * * * Version Details Vulnerabilities
5 OS XEN XEN * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 3
XEN XEN 1

- References For CVE-2022-33748

https://www.debian.org/security/2022/dsa-5272
DEBIAN DSA-5272
https://xenbits.xenproject.org/xsa/advisory-411.txt
https://lists.fedoraproject.org/archives/list/[email protected]/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/
FEDORA FEDORA-2022-5b594b82ac
https://lists.fedoraproject.org/archives/list/[email protected]/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
FEDORA FEDORA-2022-99af00f60e
http://www.openwall.com/lists/oss-security/2022/10/11/2
MLIST [oss-security] 20221011 Xen Security Advisory 411 v3 (CVE-2022-33748) - lock order inversion in transitive grant copy handling
http://xenbits.xen.org/xsa/advisory-411.html CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/
FEDORA FEDORA-2022-d80cc73088

- Metasploit Modules Related To CVE-2022-33748

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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