The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3793-1 advisory.

    - CVE-2025-58147, CVE-2025-58148: fixed input sanitisation in Viridian hypercalls (XSA-475, bsc#1251271)

Tenable has extracted the preceding description block directly from the SUSE 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 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-48dc1c8c79 advisory.

    Incorrect removal of permissions on PCI device unplug [XSA-476,     CVE-2025-58149]

    ----

    x86: Incorrect input sanitisation in Viridian hypercalls [XSA-475,     CVE-2025-58147, CVE-2025-58148]

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 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-ec271ef07b advisory.

    Incorrect removal of permissions on PCI device unplug [XSA-476,     CVE-2025-58149]

    ----

    x86: Incorrect input sanitisation in Viridian hypercalls [XSA-475,     CVE-2025-58147, CVE-2025-58148]

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 Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6068 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6068-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     December 02, 2025                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : xen     CVE ID         : CVE-2024-28956 CVE-2024-36350 CVE-2024-36357                      CVE-2025-27465 CVE-2025-27466 CVE-2025-58142                      CVE-2025-58143 CVE-2025-58144 CVE-2025-58145                      CVE-2025-58147 CVE-2025-58148 CVE-2025-58149                      CVE-2025-1713

    Multiple vulnerabilities have been discovered in the Xen hypervisor,     which could result in memory disclosure, denial of service or     privilege escalation.

    For the oldstable distribution (bookworm), these problems have been fixed     in version 4.17.5+72-g01140da4e8-1.

    For the stable distribution (trixie), these problems have been fixed in     version 4.20.2+7-g1badcf5035-0+deb13u1.

    We recommend that you upgrade your xen packages.

    For the detailed security status of xen please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/xen

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian 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 SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3843-1 advisory.

    - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls (bsc#1251271,     XSA-475)
      - CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian     interface (bsc#1248807, XSA-472)

Tenable has extracted the preceding description block directly from the SUSE 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.

  - [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities     correspond to which CVE.] Some Viridian hypercalls can specify a mask of vCPU IDs as an input, in one of     three formats. Xen has boundary checking bugs with all three formats, which can cause out-of-bounds reads     and writes while processing the inputs. * CVE-2025-58147. Hypercalls using the HV_VP_SET Sparse format can     cause vpmask_set() to write out of bounds when converting the bitmap to Xen's format. * CVE-2025-58148.
    Hypercalls using any input format can cause send_ipi() to read d->vcpu[] out-of-bounds, and operate on a     wild vCPU pointer. (CVE-2025-58147)

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

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-22fd93478b advisory.

    Incorrect removal of permissions on PCI device unplug [XSA-476,     CVE-2025-58149]

    ----

    x86: Incorrect input sanitisation in Viridian hypercalls [XSA-475,     CVE-2025-58147, CVE-2025-58148]

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-2025:3798-1 advisory.

    - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls (bsc#1251271,     XSA-475)
      - CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian     interface (bsc#1248807, XSA-472)

Tenable has extracted the preceding description block directly from the SUSE 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 SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3797-1 advisory.

    - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls (bsc#1251271,     XSA-475)
      - CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian     interface (bsc#1248807, XSA-472)

Tenable has extracted the preceding description block directly from the SUSE 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-2026:0012-1 advisory.

    Security issues fixed:

    - CVE-2025-27466: NULL pointer dereference in the Viridian interface when updating the reference TSC area     (bsc#1248807).
    - CVE-2025-58142: NULL pointer dereference in the Viridian interface due to assumption that the SIM page     is mapped when       a synthetic timer message has to be delivered (bsc#1248807).
    - CVE-2025-58143: information leak and reference counter underflow in the Viridian interface due to race     in the mapping       of the reference TSC page (bsc#1248807).
    - CVE-2025-58147: incorrect input sanitisation in Viridian hypercalls using the HV_VP_SET Sparse format     can lead to       out-of-bounds write through `vpmask_set()` (bsc#1251271).
    - CVE-2025-58148: incorrect input sanitisation in Viridian hypercalls using any input format can lead to     out-of-bounds       read through `send_ipi()` (bsc#1251271).
    - CVE-2025-58149: incorrect removal of permissions on PCI device unplug allows PV guests to access memory     of devices no       longer assigned to them (bsc#1252692).

    Other issues fixed:

    - Several upstream bug fixes (bsc#1027519).
    - Failure to restart xenstored (bsc#1254180).

Tenable has extracted the preceding description block directly from the SUSE 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
271699	SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2025:3793-1)	Nessus	SuSE Local Security Checks	10/27/2025	10/27/2025	medium
274462	Fedora 41 : xen (2025-48dc1c8c79)	Nessus	Fedora Local Security Checks	11/7/2025	11/7/2025	high
274555	Fedora 42 : xen (2025-ec271ef07b)	Nessus	Fedora Local Security Checks	11/9/2025	11/9/2025	high
277079	Debian dsa-6068 : libxen-dev - security update	Nessus	Debian Local Security Checks	12/2/2025	12/2/2025	medium
271944	SUSE SLES15 Security Update : xen (SUSE-SU-2025:3843-1)	Nessus	SuSE Local Security Checks	10/29/2025	10/29/2025	critical
271656	Linux Distros Unpatched Vulnerability : CVE-2025-58147	Nessus	Misc.	10/27/2025	1/30/2026	high
271788	Fedora 43 : xen (2025-22fd93478b)	Nessus	Fedora Local Security Checks	10/28/2025	10/28/2025	medium
271797	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xen (SUSE-SU-2025:3798-1)	Nessus	SuSE Local Security Checks	10/28/2025	10/28/2025	critical
271844	SUSE SLES15 Security Update : xen (SUSE-SU-2025:3797-1)	Nessus	SuSE Local Security Checks	10/28/2025	10/28/2025	critical
281890	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xen (SUSE-SU-2026:0012-1)	Nessus	SuSE Local Security Checks	1/6/2026	1/6/2026	critical

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