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

  - udf: reject descriptors with oversized CRC length udf_read_tagged() skips CRC verification when     descCRCLength + sizeof(struct tag) exceeds the block size. A crafted UDF image can set descCRCLength to an     oversized value to bypass CRC validation entirely; the descriptor is then accepted based solely on the     8-bit tag checksum, which is trivially recomputable. Reject such descriptors instead of silently accepting     them. A legitimate single-block descriptor should never have a CRC length that exceeds the block.
    (CVE-2026-53369)

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

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100575 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    udf: reject descriptors with oversized CRC length

    udf_read_tagged() skips CRC verification when descCRCLength +     sizeof(struct tag) exceeds the block size.  A crafted UDF image can     set descCRCLength to an oversized value to bypass CRC validation     entirely; the descriptor is then accepted based solely on the 8-bit     tag checksum, which is trivially recomputable.

    Reject such descriptors instead of silently accepting them.  A     legitimate single-block descriptor should never have a CRC length that     exceeds the block.

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

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

An update of the linux package has been released.

ID	名稱	產品	系列	已發布	已更新	嚴重性
340680	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-8665-1)	Nessus	Ubuntu Local Security Checks	2026/8/26	2026/8/27	high
328051	Linux Distros Unpatched Vulnerability : CVE-2026-53369	Nessus	Misc.	2026/7/20	2026/9/30	high
343532	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8728-1)	Nessus	Ubuntu Local Security Checks	2026/9/7	2026/9/24	high
336347	Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100575)	Nessus	Unity Linux Local Security Checks	2026/8/17	2026/8/17	high
333944	Photon OS 5.0: Linux PHSA-2026-5.0-92-0864	Nessus	PhotonOS Local Security Checks	2026/8/10	2026/8/24	high
340045	Ubuntu 26.04 LTS : Linux kernel (NVIDIA BaseOS) vulnerabilities (USN-8664-1)	Nessus	Ubuntu Local Security Checks	2026/8/26	2026/9/23	high
316975	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)	Nessus	Amazon Linux Local Security Checks	2026/5/27	2026/7/31	high
343617	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-3270)	Nessus	Huawei Local Security Checks	2026/9/8	2026/9/23	high
341024	SUSE SLED15 / SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:3790-1)	Nessus	SuSE Local Security Checks	2026/8/27	2026/9/29	high

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