CVE-2026-42492

creationtimestamp| type| source ---|---|--- 2026-07-28 14:57:56+00:00| seen| https://bsky.app/profile/infosec.skyfleet.blue/post/3mrpoc7ttwi2r 2026-07-29 13:55:21+00:00| seen| https://bsky.app/profile/o2cloud.bsky.social/post/3mrs3axvf5z24 2026-07-29 13:55:25+00:00| seen|...

CVE-2026-42492

Xenstore, to have an up-to-date picture of the entire system, wants to know of domains appearing and disappearing. To make this more robust, a new XENDOMCTLgetdomainstate was introduced. The management of the bitmap underlying that operation is tied into the binding of the VIRQDOMEXC virtual IRQ...

CVE-2026-42492

Xenstore, to have an up-to-date picture of the entire system, wants to know of domains appearing and disappearing. To make this more robust, a new XENDOMCTLgetdomainstate was introduced. The management of the bitmap underlying that operation is tied into the binding of the VIRQDOMEXC virtual IRQ...

XenServer Security Update for Multiple Issues

Severity :High Description of Problem Several issueshave beenidentifiedthat affect XenServer 8.4 and XenServer 9. Collectively, these issues may allowa malicious privileged userin a guest VM to compromise or crash the host. Theseissueshavethe following identifiers: CVE-2026-42492XenServer 9 only...