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

    A flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when     the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the     module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited,     this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass     secure boot protections.(CVE-2025-0622)

    A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't     properly set an ERRNO value. This issue may lead to a NULL pointer access.(CVE-2024-45783)

    A flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to     allocate memory for the grub's argument list. However, it fails to check in case the memory allocation     fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading     grub to crash or, in some rare scenarios, corrupt the IVT data.(CVE-2024-45775)

    When reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when     allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow,     leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite     critical data, possibly circumventing secure boot protections.(CVE-2024-45776)

    A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly     check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of     overwriting sensitive information to bypass secure boot protections is not discarded.(CVE-2024-45774)

    A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to     validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds     write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot     protections.(CVE-2024-45781)

    grub2 allowed attackers with access to the grub shell to access files on the encrypted     disks.(CVE-2024-49504)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization grub2 security advisory.

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

An update of the grub2 package has been released.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:16154 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: grub-core/gettext: Integer overflow leads to Heap OOB Write and Read. (CVE-2024-45776)

    * grub2: fs/ufs: OOB write in the heap (CVE-2024-45781)

    * grub2: command/gpg: Use-after-free due to hooks not being removed on module unload (CVE-2025-0622)

    * grub2: UFS: Integer overflow may lead to heap based out-of-bounds write when handling symlinks     (CVE-2025-0677)

    * grub2: commands/dump: The dump command is not in lockdown when secure boot is enabled (CVE-2025-1118)

    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.

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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - When reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when     allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow,     leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite     critical data, possibly circumventing secure boot protections. (CVE-2024-45776)

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

ID	名稱	產品	系列	已發布	已更新	嚴重性
265124	EulerOS Virtualization 2.13.1 : grub2 (EulerOS-SA-2025-2164)	Nessus	Huawei Local Security Checks	2025/9/16	2025/9/16	high
261147	Photon OS 4.0: Grub2 PHSA-2025-4.0-0861	Nessus	PhotonOS Local Security Checks	2025/9/3	2025/9/3	high
265398	RHEL 10 : grub2 (RHSA-2025:16154)	Nessus	Red Hat Local Security Checks	2025/9/18	2025/9/18	medium
229005	Linux Distros Unpatched Vulnerability : CVE-2024-45776	Nessus	Misc.	2025/3/5	2025/9/20	medium

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