The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988972 advisory.

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

    f2fs: remove WARN_ON in f2fs_is_valid_blkaddr

    Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
    __is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,     if type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,     it invokes WARN_ON if blkaddr is not in the right range.
    The call trace is as follows:

     f2fs_get_node_info+0x45f/0x1070      read_node_page+0x577/0x1190
     __get_node_page.part.0+0x9e/0x10e0
     __get_node_page      f2fs_get_node_page+0x109/0x180      do_read_inode      f2fs_iget+0x2a5/0x58b0      f2fs_fill_super+0x3b39/0x7ca0

    Fix these two WARNs by replacing WARN_ON with dump_stack.

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.

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

  - f2fs: remove WARN_ON in f2fs_is_valid_blkaddr Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
    __is_bitmap_valid. For example, in f2fs_is_valid_blkaddr, if type is DATA_GENERIC_ENHANCE or     DATA_GENERIC_ENHANCE_READ, it invokes WARN_ON if blkaddr is not in the right range. The call trace is as     follows: f2fs_get_node_info+0x45f/0x1070 read_node_page+0x577/0x1190 __get_node_page.part.0+0x9e/0x10e0
    __get_node_page f2fs_get_node_page+0x109/0x180 do_read_inode f2fs_iget+0x2a5/0x58b0     f2fs_fill_super+0x3b39/0x7ca0 Fix these two WARNs by replacing WARN_ON with dump_stack. (CVE-2022-49318)

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-2025-987566 advisory.

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

    f2fs: remove WARN_ON in f2fs_is_valid_blkaddr

    Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
    __is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,     if type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,     it invokes WARN_ON if blkaddr is not in the right range.
    The call trace is as follows:

     f2fs_get_node_info+0x45f/0x1070      read_node_page+0x577/0x1190
     __get_node_page.part.0+0x9e/0x10e0
     __get_node_page      f2fs_get_node_page+0x109/0x180      do_read_inode      f2fs_iget+0x2a5/0x58b0      f2fs_fill_super+0x3b39/0x7ca0

    Fix these two WARNs by replacing WARN_ON with dump_stack.

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.

ID	Name	Product	Family	Published	Updated	Severity
273765	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988972)	Nessus	Unity Linux Local Security Checks	11/5/2025	11/5/2025	medium
275906	TencentOS Server 4: kernel (TSSA-2025:0346)	Nessus	Tencent Local Security Checks	11/20/2025	3/11/2026	high
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	7/22/2021	3/23/2026	high
225428	Linux Distros Unpatched Vulnerability : CVE-2022-49318	Nessus	Misc.	3/5/2025	1/14/2026	medium
271044	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987566)	Nessus	Unity Linux Local Security Checks	10/21/2025	10/21/2025	medium

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