The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989871 advisory.

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

    f2fs: fix missing free nid in f2fs_handle_failed_inode

    This patch fixes xfstests/generic/475 failure.

    [  293.680694] F2FS-fs (dm-1): May loss orphan inode, run fsck to fix.
    [  293.685358] Buffer I/O error on dev dm-1, logical block 8388592, async page read     [  293.691527] Buffer I/O error on dev dm-1, logical block 8388592, async page read     [  293.691764] sh (7615): drop_caches: 3     [  293.691819] sh (7616): drop_caches: 3     [  293.694017] Buffer I/O error on dev dm-1, logical block 1, async page read     [  293.695659] sh (7618): drop_caches: 3     [  293.696979] sh (7617): drop_caches: 3     [  293.700290] sh (7623): drop_caches: 3     [  293.708621] sh (7626): drop_caches: 3     [  293.711386] sh (7628): drop_caches: 3     [  293.711825] sh (7627): drop_caches: 3     [  293.716738] sh (7630): drop_caches: 3     [  293.719613] sh (7632): drop_caches: 3     [  293.720971] sh (7633): drop_caches: 3     [  293.727741] sh (7634): drop_caches: 3     [  293.730783] sh (7636): drop_caches: 3     [  293.732681] sh (7635): drop_caches: 3     [  293.732988] sh (7637): drop_caches: 3     [  293.738836] sh (7639): drop_caches: 3     [  293.740568] sh (7641): drop_caches: 3     [  293.743053] sh (7640): drop_caches: 3     [  293.821889] ------------[ cut here ]------------     [  293.824654] kernel BUG at fs/f2fs/node.c:3334!     [  293.826226] invalid opcode: 0000 [#1] PREEMPT SMP PTI     [  293.828713] CPU: 0 PID: 7653 Comm: umount Tainted: G           OE     5.17.0-rc1-custom #1     [  293.830946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014     [  293.832526] RIP: 0010:f2fs_destroy_node_manager+0x33f/0x350 [f2fs]     [  293.833905] Code: e8 d6 3d f9 f9 48 8b 45 d0 65 48 2b 04 25 28 00 00 00 75 1a 48 81 c4 28 03 00 00 5b     41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b     [  293.837783] RSP: 0018:ffffb04ec31e7a20 EFLAGS: 00010202     [  293.839062] RAX: 0000000000000001 RBX: ffff9df947db2eb8 RCX: 0000000080aa0072     [  293.840666] RDX: 0000000000000000 RSI: ffffe86c0432a140 RDI: ffffffffc0b72a21     [  293.842261] RBP: ffffb04ec31e7d70 R08: ffff9df94ca85780 R09: 0000000080aa0072     [  293.843909] R10: ffff9df94ca85700 R11: ffff9df94e1ccf58 R12: ffff9df947db2e00     [  293.845594] R13: ffff9df947db2ed0 R14: ffff9df947db2eb8 R15: ffff9df947db2eb8     [  293.847855] FS:  00007f5a97379800(0000) GS:ffff9dfa77c00000(0000) knlGS:0000000000000000     [  293.850647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033     [  293.852940] CR2: 00007f5a97528730 CR3: 000000010bc76005 CR4: 0000000000370ef0     [  293.854680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000     [  293.856423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400     [  293.858380] Call Trace:
    [  293.859302]  <TASK>     [  293.860311]  ? ttwu_do_wakeup+0x1c/0x170     [  293.861800]  ? ttwu_do_activate+0x6d/0xb0     [  293.863057]  ? _raw_spin_unlock_irqrestore+0x29/0x40     [  293.864411]  ? try_to_wake_up+0x9d/0x5e0     [  293.865618]  ? debug_smp_processor_id+0x17/0x20     [  293.866934]  ? debug_smp_processor_id+0x17/0x20     [  293.868223]  ? free_unref_page+0xbf/0x120     [  293.869470]  ? __free_slab+0xcb/0x1c0     [  293.870614]  ? preempt_count_add+0x7a/0xc0     [  293.871811]  ? __slab_free+0xa0/0x2d0     [  293.872918]  ? __wake_up_common_lock+0x8a/0xc0     [  293.874186]  ? __slab_free+0xa0/0x2d0     [  293.875305]  ? free_inode_nonrcu+0x20/0x20     [  293.876466]  ? free_inode_nonrcu+0x20/0x20     [  293.877650]  ? debug_smp_processor_id+0x17/0x20     [  293.878949]  ? call_rcu+0x11a/0x240     [  293.880060]  ? f2fs_destroy_stats+0x59/0x60 [f2fs]     [  293.881437]  ? kfree+0x1fe/0x230     [  293.882674]  f2fs_put_super+0x160/0x390 [f2fs]     [  293.883978]  generic_shutdown_super+0x7a/0x120     [  293.885274]  kill_block_super+0x27/0x50     [  293.886496]  kill_f2fs_super+0x7f/0x100 [f2fs]     [  293.887806]  deactivate_locked_super+0x35/0xa0     [  293.889271]  deactivate_super+0x40/0x50     [  293.890513]  cleanup_mnt+0x139/0x190     [  293.891689]  __cleanup_mnt+0x12/0x20     [  293.892850]  task_work_run+0x64/0xa0     [  293.894035]  exit_to_user_mode_prepare+0x1b7/
    ---truncated---

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.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989099 advisory.

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

    f2fs: fix missing free nid in f2fs_handle_failed_inode

    This patch fixes xfstests/generic/475 failure.

    [  293.680694] F2FS-fs (dm-1): May loss orphan inode, run fsck to fix.
    [  293.685358] Buffer I/O error on dev dm-1, logical block 8388592, async page read     [  293.691527] Buffer I/O error on dev dm-1, logical block 8388592, async page read     [  293.691764] sh (7615): drop_caches: 3     [  293.691819] sh (7616): drop_caches: 3     [  293.694017] Buffer I/O error on dev dm-1, logical block 1, async page read     [  293.695659] sh (7618): drop_caches: 3     [  293.696979] sh (7617): drop_caches: 3     [  293.700290] sh (7623): drop_caches: 3     [  293.708621] sh (7626): drop_caches: 3     [  293.711386] sh (7628): drop_caches: 3     [  293.711825] sh (7627): drop_caches: 3     [  293.716738] sh (7630): drop_caches: 3     [  293.719613] sh (7632): drop_caches: 3     [  293.720971] sh (7633): drop_caches: 3     [  293.727741] sh (7634): drop_caches: 3     [  293.730783] sh (7636): drop_caches: 3     [  293.732681] sh (7635): drop_caches: 3     [  293.732988] sh (7637): drop_caches: 3     [  293.738836] sh (7639): drop_caches: 3     [  293.740568] sh (7641): drop_caches: 3     [  293.743053] sh (7640): drop_caches: 3     [  293.821889] ------------[ cut here ]------------     [  293.824654] kernel BUG at fs/f2fs/node.c:3334!     [  293.826226] invalid opcode: 0000 [#1] PREEMPT SMP PTI     [  293.828713] CPU: 0 PID: 7653 Comm: umount Tainted: G           OE     5.17.0-rc1-custom #1     [  293.830946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014     [  293.832526] RIP: 0010:f2fs_destroy_node_manager+0x33f/0x350 [f2fs]     [  293.833905] Code: e8 d6 3d f9 f9 48 8b 45 d0 65 48 2b 04 25 28 00 00 00 75 1a 48 81 c4 28 03 00 00 5b     41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b     [  293.837783] RSP: 0018:ffffb04ec31e7a20 EFLAGS: 00010202     [  293.839062] RAX: 0000000000000001 RBX: ffff9df947db2eb8 RCX: 0000000080aa0072     [  293.840666] RDX: 0000000000000000 RSI: ffffe86c0432a140 RDI: ffffffffc0b72a21     [  293.842261] RBP: ffffb04ec31e7d70 R08: ffff9df94ca85780 R09: 0000000080aa0072     [  293.843909] R10: ffff9df94ca85700 R11: ffff9df94e1ccf58 R12: ffff9df947db2e00     [  293.845594] R13: ffff9df947db2ed0 R14: ffff9df947db2eb8 R15: ffff9df947db2eb8     [  293.847855] FS:  00007f5a97379800(0000) GS:ffff9dfa77c00000(0000) knlGS:0000000000000000     [  293.850647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033     [  293.852940] CR2: 00007f5a97528730 CR3: 000000010bc76005 CR4: 0000000000370ef0     [  293.854680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000     [  293.856423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400     [  293.858380] Call Trace:
    [  293.859302]  <TASK>     [  293.860311]  ? ttwu_do_wakeup+0x1c/0x170     [  293.861800]  ? ttwu_do_activate+0x6d/0xb0     [  293.863057]  ? _raw_spin_unlock_irqrestore+0x29/0x40     [  293.864411]  ? try_to_wake_up+0x9d/0x5e0     [  293.865618]  ? debug_smp_processor_id+0x17/0x20     [  293.866934]  ? debug_smp_processor_id+0x17/0x20     [  293.868223]  ? free_unref_page+0xbf/0x120     [  293.869470]  ? __free_slab+0xcb/0x1c0     [  293.870614]  ? preempt_count_add+0x7a/0xc0     [  293.871811]  ? __slab_free+0xa0/0x2d0     [  293.872918]  ? __wake_up_common_lock+0x8a/0xc0     [  293.874186]  ? __slab_free+0xa0/0x2d0     [  293.875305]  ? free_inode_nonrcu+0x20/0x20     [  293.876466]  ? free_inode_nonrcu+0x20/0x20     [  293.877650]  ? debug_smp_processor_id+0x17/0x20     [  293.878949]  ? call_rcu+0x11a/0x240     [  293.880060]  ? f2fs_destroy_stats+0x59/0x60 [f2fs]     [  293.881437]  ? kfree+0x1fe/0x230     [  293.882674]  f2fs_put_super+0x160/0x390 [f2fs]     [  293.883978]  generic_shutdown_super+0x7a/0x120     [  293.885274]  kill_block_super+0x27/0x50     [  293.886496]  kill_f2fs_super+0x7f/0x100 [f2fs]     [  293.887806]  deactivate_locked_super+0x35/0xa0     [  293.889271]  deactivate_super+0x40/0x50     [  293.890513]  cleanup_mnt+0x139/0x190     [  293.891689]  __cleanup_mnt+0x12/0x20     [  293.892850]  task_work_run+0x64/0xa0     [  293.894035]  exit_to_user_mode_prepare+0x1b7/
    ---truncated---

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.

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

  - In the Linux kernel, the following vulnerability has been resolved: f2fs: fix missing free nid in     f2fs_handle_failed_inode This patch fixes xfstests/generic/475 failure. [ 293.680694] F2FS-fs (dm-1): May     loss orphan inode, run fsck to fix. [ 293.685358] Buffer I/O error on dev dm-1, logical block 8388592,     async page read [ 293.691527] Buffer I/O error on dev dm-1, logical block 8388592, async page read [     293.691764] sh (7615): drop_caches: 3 [ 293.691819] sh (7616): drop_caches: 3 [ 293.694017] Buffer I/O     error on dev dm-1, logical block 1, async page read [ 293.695659] sh (7618): drop_caches: 3 [ 293.696979]     sh (7617): drop_caches: 3 [ 293.700290] sh (7623): drop_caches: 3 [ 293.708621] sh (7626): drop_caches: 3     [ 293.711386] sh (7628): drop_caches: 3 [ 293.711825] sh (7627): drop_caches: 3 [ 293.716738] sh (7630):
    drop_caches: 3 [ 293.719613] sh (7632): drop_caches: 3 [ 293.720971] sh (7633): drop_caches: 3 [     293.727741] sh (7634): drop_caches: 3 [ 293.730783] sh (7636): drop_caches: 3 [ 293.732681] sh (7635):
    drop_caches: 3 [ 293.732988] sh (7637): drop_caches: 3 [ 293.738836] sh (7639): drop_caches: 3 [     293.740568] sh (7641): drop_caches: 3 [ 293.743053] sh (7640): drop_caches: 3 [ 293.821889] ------------[     cut here ]------------ [ 293.824654] kernel BUG at fs/f2fs/node.c:3334! [ 293.826226] invalid opcode: 0000     [#1] PREEMPT SMP PTI [ 293.828713] CPU: 0 PID: 7653 Comm: umount Tainted: G OE 5.17.0-rc1-custom #1 [     293.830946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 [ 293.832526]     RIP: 0010:f2fs_destroy_node_manager+0x33f/0x350 [f2fs] [ 293.833905] Code: e8 d6 3d f9 f9 48 8b 45 d0 65     48 2b 04 25 28 00 00 00 75 1a 48 81 c4 28 03 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b [ 293.837783]     RSP: 0018:ffffb04ec31e7a20 EFLAGS: 00010202 [ 293.839062] RAX: 0000000000000001 RBX: ffff9df947db2eb8 RCX:
    0000000080aa0072 [ 293.840666] RDX: 0000000000000000 RSI: ffffe86c0432a140 RDI: ffffffffc0b72a21 [     293.842261] RBP: ffffb04ec31e7d70 R08: ffff9df94ca85780 R09: 0000000080aa0072 [ 293.843909] R10:
    ffff9df94ca85700 R11: ffff9df94e1ccf58 R12: ffff9df947db2e00 [ 293.845594] R13: ffff9df947db2ed0 R14:
    ffff9df947db2eb8 R15: ffff9df947db2eb8 [ 293.847855] FS: 00007f5a97379800(0000) GS:ffff9dfa77c00000(0000)     knlGS:0000000000000000 [ 293.850647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.852940] CR2:
    00007f5a97528730 CR3: 000000010bc76005 CR4: 0000000000370ef0 [ 293.854680] DR0: 0000000000000000 DR1:
    0000000000000000 DR2: 0000000000000000 [ 293.856423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
    0000000000000400 [ 293.858380] Call Trace: [ 293.859302] <TASK> [ 293.860311] ? ttwu_do_wakeup+0x1c/0x170     [ 293.861800] ? ttwu_do_activate+0x6d/0xb0 [ 293.863057] ? _raw_spin_unlock_irqrestore+0x29/0x40 [     293.864411] ? try_to_wake_up+0x9d/0x5e0 [ 293.865618] ? debug_smp_processor_id+0x17/0x20 [ 293.866934] ?     debug_smp_processor_id+0x17/0x20 [ 293.868223] ? free_unref_page+0xbf/0x120 [ 293.869470] ?
    __free_slab+0xcb/0x1c0 [ 293.870614] ? preempt_count_add+0x7a/0xc0 [ 293.871811] ? __slab_free+0xa0/0x2d0     [ 293.872918] ? __wake_up_common_lock+0x8a/0xc0 [ 293.874186] ? __slab_free+0xa0/0x2d0 [ 293.875305] ?     free_inode_nonrcu+0x20/0x20 [ 293.876466] ? free_inode_nonrcu+0x20/0x20 [ 293.877650] ?     debug_smp_processor_id+0x17/0x20 [ 293.878949] ? call_rcu+0x11a/0x240 [ 293.880060] ?     f2fs_destroy_stats+0x59/0x60 [f2fs] [ 293.881437] ? kfree+0x1fe/0x230 [ 293.882674]     f2fs_put_super+0x160/0x390 [f2fs] [ 293.883978] generic_shutdown_super+0x7a/0x120 [ 293.885274]     kill_block_super+0x27/0x50 [ 293.886496] kill_f2fs_super+0x7f/0x100 [f2fs] [ 293.887806]     deactivate_locked_super+0x35/0xa0 [ 293.889271] deactivate_super+0x40/0x50 [ 293.890513]     cleanup_mnt+0x139/0x190 [ 293.891689] __cleanup_mnt+0x12/0x20 [ 293.892850] task_work_run+0x64/0xa0 [     293.894035] exit_to_user_mode_prepare+0x1b7/ ---truncated--- (CVE-2022-49255)

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

An update of the linux package has been released.

ID	Name	Product	Family	Published	Updated	Severity
272999	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989871)	Nessus	Unity Linux Local Security Checks	11/5/2025	11/5/2025	medium
273560	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989099)	Nessus	Unity Linux Local Security Checks	11/5/2025	11/5/2025	medium
225590	Linux Distros Unpatched Vulnerability : CVE-2022-49255	Nessus	Misc.	3/5/2025	1/15/2026	medium
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	7/22/2021	3/23/2026	high

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