CVE-2022-33748 (GCVE-0-2022-33748)
Vulnerability from cvelistv5
Published
2022-10-11 00:00
Modified
2024-08-03 08:09
Severity ?
CWE
  • unknown
Summary
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.
References
security@xen.org http://www.openwall.com/lists/oss-security/2022/10/11/2 Mailing List, Mitigation, Patch, Third Party Advisory
security@xen.org http://xenbits.xen.org/xsa/advisory-411.html Mitigation, Patch, Vendor Advisory
security@xen.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/
security@xen.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/
security@xen.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
security@xen.org https://security.gentoo.org/glsa/202402-07
security@xen.org https://www.debian.org/security/2022/dsa-5272 Third Party Advisory
security@xen.org https://xenbits.xenproject.org/xsa/advisory-411.txt Mitigation, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2022/10/11/2 Mailing List, Mitigation, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://xenbits.xen.org/xsa/advisory-411.html Mitigation, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJOMUNGW6VTK5CZZRLWLVVEOUPEQBRHI/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWSC77GS5NATI3TT7FMVPULUPXR635XQ/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/202402-07
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2022/dsa-5272 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://xenbits.xenproject.org/xsa/advisory-411.txt Mitigation, Patch, Vendor Advisory
Impacted products
Vendor Product Version
Xen xen Create a notification for this product.
Show details on NVD website

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