Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could deadlock a core due to the execution of either a load to device or non-cacheable memory, and either a store exclusive or register read of the Physical Address Register (PAR_EL1) in close proximity.

The remote host is affected by the vulnerability described in GLSA-202409-10 (Xen: Multiple Vulnerabilities)

    Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below     for details.

Tenable has extracted the preceding description block directly from the Gentoo Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-04473fc41e advisory.

    update to xen-4.16.5 which includes     x86/AMD: Speculative Return Stack Overflow [XSA-434, CVE-2023-20569]     x86/Intel: Gather Data Sampling [XSA-435, CVE-2022-40982]     remove patches now included upstream

    ----

    arm: Guests can trigger a deadlock on Cortex-A77 [XSA-436, CVE-2023-34320]     (#2228238)

    ----

    bugfix for x86/AMD: Zenbleed [XSA-433, CVE-2023-20593]

    ----

    x86/AMD: Zenbleed [XSA-433, CVE-2023-20593]

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-0d6aa10621 advisory.

    arm: Guests can trigger a deadlock on Cortex-A77 [XSA-436, CVE-2023-34320]     (#2228238)

    ----

    bugfix for x86/AMD: Zenbleed [XSA-433, CVE-2023-20593]

    ----

    x86/AMD: Zenbleed [XSA-433]     omit OCaml 5 patch on fc38

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
207559	GLSA-202409-10 : Xen: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	high
180203	Fedora 37 : xen (2023-04473fc41e)	Nessus	Fedora Local Security Checks	critical
179379	Fedora 38 : xen (2023-0d6aa10621)	Nessus	Fedora Local Security Checks	critical

Detections

Analytics

CVE-2023-34320

medium

Tenable Plugins

high

critical

critical