The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0830-1 advisory.

  - The vulnerability allows a malicious guest to gain access to sensitive information. The vulnerability     exists due to an error in phantom functions implementation for PCI devices. Under certain circumstances a     malicious guest assigned a PCI device with phantom functions may be able to access memory from a previous     owner of the device. (CVE-2023-46839)

  - The vulnerability allows a malicious guest to bypass implemented security restrictions. The vulnerability     exists due to incorrect placement of a preprocessor directive in source code, which results in a logic     error when support for HVM guests is compiled out of Xen and CONFIG_HVM is disabled at Xen's build time.
    When a device is removed from a domain, it is not properly quarantined and retains its access to the     domain to which it was previously assigned. An attacker with control over a malicious guest can retain     access to the domain after it has been removed from it (CVE-2023-46840)

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-2024-4b2cf8c375 advisory.

    arm32: The cache may not be properly cleaned/invalidated (take two)     [XSA-447, CVE-2023-46837]     pci: phantom functions assigned to incorrect contexts [XSA-449,     CVE-2023-46839]     VT-d: Failure to quarantine devices in !HVM build [XSA-450,     CVE-2023-46840]

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 SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0266-1 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 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as     intended when support for HVM guests is compiled out of Xen. (CVE-2023-46840)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-e527e6fd08 advisory.

    arm32: The cache may not be properly cleaned/invalidated (take two)     [XSA-447, CVE-2023-46837]     pci: phantom functions assigned to incorrect contexts [XSA-449,     CVE-2023-46839]     VT-d: Failure to quarantine devices in !HVM build [XSA-450,     CVE-2023-46840]

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	Published	Updated	Severity
191896	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xen (SUSE-SU-2024:0830-1)	Nessus	SuSE Local Security Checks	3/12/2024	11/5/2025	medium
190571	Fedora 38 : xen (2024-4b2cf8c375)	Nessus	Fedora Local Security Checks	2/15/2024	11/14/2024	low
189835	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xen (SUSE-SU-2024:0266-1)	Nessus	SuSE Local Security Checks	1/31/2024	11/5/2025	medium
207559	GLSA-202409-10 : Xen: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	9/22/2024	12/20/2024	high
258494	Linux Distros Unpatched Vulnerability : CVE-2023-46840	Nessus	Misc.	8/30/2025	4/29/2026	medium
190566	Fedora 39 : xen (2024-e527e6fd08)	Nessus	Fedora Local Security Checks	2/15/2024	11/14/2024	low

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