The version of AOS installed on the remote host is prior to 6.10. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.10 advisory.

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

  - urllib3 is a user-friendly HTTP client library for Python. urllib3 doesn't treat the `Cookie` HTTP header     special or provide any helpers for managing cookies over HTTP, that is the responsibility of the user.
    However, it is possible for a user to specify a `Cookie` header and unknowingly leak information via HTTP     redirects to a different origin if that user doesn't disable redirects explicitly. This issue has been     patched in urllib3 version 1.26.17 or 2.0.5. (CVE-2023-43804)

  - Improper Handling of Exceptional Conditions, Uncontrolled Resource Consumption vulnerability in Apache     Tomcat. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers     correctly. This led to a miscounting of active HTTP/2 streams which in turn led to the use of an incorrect     infinite timeout which allowed connections to remain open which should have been closed. This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M20, from 10.1.0-M1 through 10.1.24, from 9.0.0-M1     through 9.0.89. The following versions were EOL at the time the CVE was created but are known to be     affected: 8.5.0 though 8.5.100. Users are recommended to upgrade to version 11.0.0-M21, 10.1.25 or 9.0.90,     which fixes the issue. (CVE-2024-34750)

  - A vulnerability was found in libndp. This flaw allows a local malicious user to cause a buffer overflow in     NetworkManager, triggered by sending a malformed IPv6 router advertisement packet. This issue occurred as     libndp was not correctly validating the route length information. (CVE-2024-5564)

  - Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of     service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of     Service (ReDoS) in package_index.py. (CVE-2022-40897)

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.

  - An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker     to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some     circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code     execution and secure boot protection bypass may be achieved. (CVE-2023-4692)

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

An update of the grub2 package has been released.

The version of AHV installed on the remote host is prior to 10.0. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-10.0 advisory.

  - A crafted NTFS image can trigger a heap-based buffer overflow, caused by an unsanitized attribute in     ntfs_get_attribute_value, in NTFS-3G < 2021.8.22. (CVE-2021-39263)

  - An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer     overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX). (CVE-2024-45492)

  - Buffer Overflow vulnerability found in SQLite3 v.3.27.1 and before allows a local attacker to cause a     denial of service via a crafted script. (CVE-2020-24736)

  - Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and     1.15.10, a malicious or compromised Flatpak app using persistent directories could access and write files     outside of what it would otherwise have access to, which is an attack on integrity and confidentiality.
    When `persistent=subdir` is used in the application permissions (represented as `--persist=subdir` in the     command-line interface), that means that an application which otherwise doesn't have access to the real     user home directory will see an empty home directory with a writeable subdirectory `subdir`. Behind the     scenes, this directory is actually a bind mount and the data is stored in the per-application directory as     `~/.var/app/$APPID/subdir`. This allows existing apps that are not aware of the per-application directory     to still work as intended without general home directory access. However, the application does have write     access to the application directory `~/.var/app/$APPID` where this directory is stored. If the source     directory for the `persistent`/`--persist` option is replaced by a symlink, then the next time the     application is started, the bind mount will follow the symlink and mount whatever it points to into the     sandbox. Partial protection against this vulnerability can be provided by patching Flatpak using the     patches in commits ceec2ffc and 98f79773. However, this leaves a race condition that could be exploited by     two instances of a malicious app running in parallel. Closing the race condition requires updating or     patching the version of bubblewrap that is used by Flatpak to add the new `--bind-fd` option using the     patch and then patching Flatpak to use it. If Flatpak has been configured at build-time with     `-Dsystem_bubblewrap=bwrap` (1.15.x) or `--with-system-bubblewrap=bwrap` (1.14.x or older), or a similar     option, then the version of bubblewrap that needs to be patched is a system copy that is distributed     separately, typically `/usr/bin/bwrap`. This configuration is the one that is typically used in Linux     distributions. If Flatpak has been configured at build-time with `-Dsystem_bubblewrap=` (1.15.x) or with     `--without-system-bubblewrap` (1.14.x or older), then it is the bundled version of bubblewrap that is     included with Flatpak that must be patched. This is typically installed as `/usr/libexec/flatpak-bwrap`.
    This configuration is the default when building from source code. For the 1.14.x stable branch, these     changes are included in Flatpak 1.14.10. The bundled version of bubblewrap included in this release has     been updated to 0.6.3. For the 1.15.x development branch, these changes are included in Flatpak 1.15.10.
    The bundled version of bubblewrap in this release is a Meson wrap subproject, which has been updated to     0.10.0. The 1.12.x and 1.10.x branches will not be updated for this vulnerability. Long-term support OS     distributions should backport the individual changes into their versions of Flatpak and bubblewrap, or     update to newer versions if their stability policy allows it. As a workaround, avoid using applications     using the `persistent` (`--persist`) permission. (CVE-2024-42472)

  - Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote     attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the     KeyTrap issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the     protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG     records. (CVE-2023-50387)

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

According to the versions of the grub2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker     to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some     circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code     execution and secure boot protection bypass may be achieved. (CVE-2023-4692)

  - An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically     present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations.
    A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting     a high Confidentiality risk. (CVE-2023-4693)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0211 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2023-4692:
    An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker     to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some     circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code     execution and secure boot protection bypass may be achieved.

    CVE-2023-4693:
    An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically     present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations.
    A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting     a high Confidentiality risk.

    CVE-2024-1048:
    A flaw was found in the grub2-set-bootflag utility of grub2. After the fix of CVE-2019-14865, grub2-set-     bootflag will create a temporary file with the new grubenv content and rename it to the original grubenv     file. If the program is killed before the rename operation, the temporary file will not be removed and may     fill the filesystem when invoked multiple times, resulting in a filesystem out of free inodes or blocks.

Tenable has extracted the preceding description block directly from the Alibaba Cloud 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 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-2b545d3085 advisory.

    Security fix for CVE-2023-4692

    Security fix for CVE-2023-4693

    Fri Apr 12 2024 Nicolas Frayer <nfrayer@redhat.com> - 2.06-121

    - fs/xfs: Handle non-continuous data blocks in directory extents
    - Related: #2254370

    Fri Mar 08 2024 Nicolas Frayer <nfrayer@redhat.com> - 2.06-120

    - GRUB2 NTFS driver vulnerabilities
    - (CVE-2023-4692)
    - (CVE-2023-4693)
    - Resolves: #2236613
    - Resolves: #2241978
    - Resolves: #2241976
    - Resolves: #2238343


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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2456 advisory.

    The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and     customizable boot loader with modular architecture. The packages support a variety of kernel formats, file     systems, computer architectures, and hardware devices.

    Security Fix(es):

    * grub2: grub2-set-bootflag can be abused by local (pseudo-)users (CVE-2024-1048)

    * grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution (CVE-2023-4692)

    * grub2: out-of-bounds read at fs/ntfs.c (CVE-2023-4693)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

ID	Name	Product	Family	Published	Updated	Severity
208234	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.10)	Nessus	Misc.	10/7/2024	9/1/2025	high
255444	Linux Distros Unpatched Vulnerability : CVE-2023-4692	Nessus	Misc.	8/26/2025	7/21/2026	high
332423	Photon OS 5.0: Grub2 PHSA-2023-5.0-91-0130	Nessus	PhotonOS Local Security Checks	8/5/2026	8/5/2026	high
310786	Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-10.0)	Nessus	Misc.	4/29/2026	8/13/2026	medium
197286	EulerOS Virtualization 3.0.6.0 : grub2 (EulerOS-SA-2024-1683)	Nessus	Huawei Local Security Checks	5/17/2024	5/17/2024	high
188905	EulerOS Virtualization 2.9.0 : grub2 (EulerOS-SA-2024-1009)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	high
236159	Alibaba Cloud Linux 3 : 0211: grub2 (ALINUX3-SA-2024:0211)	Nessus	Alibaba Cloud Linux Local Security Checks	5/14/2025	5/14/2025	high
194692	Fedora 40 : grub2 (2024-2b545d3085)	Nessus	Fedora Local Security Checks	4/29/2024	11/14/2024	high
194779	RHEL 9 : grub2 (RHSA-2024:2456)	Nessus	Red Hat Local Security Checks	4/30/2024	11/7/2024	high

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