CVE-2022-42335
Vulnerability from cvelistv5
Published
2023-04-25 00:00
Modified
2024-08-03 13:03
Severity ?
Summary
x86 shadow paging arbitrary pointer dereference In environments where host assisted address translation is necessary but Hardware Assisted Paging (HAP) is unavailable, Xen will run guests in so called shadow mode. Due to too lax a check in one of the hypervisor routines used for shadow page handling it is possible for a guest with a PCI device passed through to cause the hypervisor to access an arbitrary pointer partially under guest control.
References
security@xen.orghttp://www.openwall.com/lists/oss-security/2023/04/25/1Mailing List, Third Party Advisory
security@xen.orghttp://xenbits.xen.org/xsa/advisory-430.htmlPatch, Vendor Advisory
security@xen.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PSPFWSY6UOPGMADQGOGN2PAAS5LJRPTG/
security@xen.orghttps://security.gentoo.org/glsa/202402-07
security@xen.orghttps://xenbits.xenproject.org/xsa/advisory-430.txtPatch, Vendor Advisory
Impacted products
Xenxen
Show details on NVD website

To clipboard 

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