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

  - btrfs: don't use btrfs_set_item_key_safe on RAID stripe-extents Don't use btrfs_set_item_key_safe() to     modify the keys in the RAID stripe-tree, as this can lead to corruption of the tree, which is caught by     the checks in btrfs_set_item_key_safe(): BTRFS info (device nvme1n1): leaf 49168384 gen 15 total ptrs 194     free space 8329 owner 12 BTRFS info (device nvme1n1): refs 2 lock_owner 1030 current 1030 [ snip ] item     105 key (354549760 230 20480) itemoff 14587 itemsize 16 stride 0 devid 5 physical 67502080 item 106 key     (354631680 230 4096) itemoff 14571 itemsize 16 stride 0 devid 1 physical 88559616 item 107 key (354631680     230 32768) itemoff 14555 itemsize 16 stride 0 devid 1 physical 88555520 item 108 key (354717696 230 28672)     itemoff 14539 itemsize 16 stride 0 devid 2 physical 67604480 [ snip ] BTRFS critical (device nvme1n1):
    slot 106 key (354631680 230 32768) new key (354635776 230 4096) ------------[ cut here ]------------     kernel BUG at fs/btrfs/ctree.c:2602! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID:
    1055 Comm: fsstress Not tainted 6.13.0-rc1+ #1464 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),     BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014 RIP: 0010:btrfs_set_item_key_safe+0xf7/0x270     Code: <snip> RSP: 0018:ffffc90001337ab0 EFLAGS: 00010287 RAX: 0000000000000000 RBX: ffff8881115fd000 RCX:
    0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffff888110ed6f50     R08: 00000000ffffefff R09: ffffffff8244c500 R10: 00000000ffffefff R11: 00000000ffffffff R12:
    ffff888100586000 R13: 00000000000000c9 R14: ffffc90001337b1f R15: ffff888110f23b58 FS:
    00007f7d75c72740(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0:
    0000000080050033 CR2: 00007fa811652c60 CR3: 0000000111398001 CR4: 0000000000370eb0 Call Trace: <TASK> ?
    __die_body.cold+0x14/0x1a ? die+0x2e/0x50 ? do_trap+0xca/0x110 ? do_error_trap+0x65/0x80 ?     btrfs_set_item_key_safe+0xf7/0x270 ? exc_invalid_op+0x50/0x70 ? btrfs_set_item_key_safe+0xf7/0x270 ?     asm_exc_invalid_op+0x1a/0x20 ? btrfs_set_item_key_safe+0xf7/0x270     btrfs_partially_delete_raid_extent+0xc4/0xe0 btrfs_delete_raid_extent+0x227/0x240
    __btrfs_free_extent.isra.0+0x57f/0x9c0 ? exc_coproc_segment_overrun+0x40/0x40
    __btrfs_run_delayed_refs+0x2fa/0xe80 btrfs_run_delayed_refs+0x81/0xe0 btrfs_commit_transaction+0x2dd/0xbe0     ? preempt_count_add+0x52/0xb0 btrfs_sync_file+0x375/0x4c0 do_fsync+0x39/0x70 __x64_sys_fsync+0x13/0x20     do_syscall_64+0x54/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f7d7550ef90 Code: <snip>     RSP: 002b:00007ffd70237248 EFLAGS: 00000202 ORIG_RAX: 000000000000004a RAX: ffffffffffffffda RBX:
    0000000000000004 RCX: 00007f7d7550ef90 RDX: 000000000000013a RSI: 000000000040eb28 RDI: 0000000000000004     RBP: 000000000000001b R08: 0000000000000078 R09: 00007ffd7023725c R10: 00007f7d75400390 R11:
    0000000000000202 R12: 028f5c28f5c28f5c R13: 8f5c28f5c28f5c29 R14: 000000000040b520 R15: 00007f7d75c726c8     </TASK> While the root cause of the tree order corruption isn't clear, using btrfs_duplicate_item() to     copy the item and then adjusting both the key and the per-device physical addresses is a safe way to     counter this problem. (CVE-2025-21752)

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

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - btrfsRAID stripe-extents で btrfs_set_item_key_safe を使用しません。RAID stripe-tree のキーを変更するために btrfs_set_item_key_safe() を使用しません。これは、btrfs_set_item_key_safe( のチェックでキャッチされる) ツリーの破損につながる可能性があるためです。 BTRFS 情報デバイス nvme1n1リーフ 49168384 gen 15 合計 ptrs 194 空き領域 8329 オーナー 12 BTRFS 情報デバイス nvme1n1refs 2 lock_owner 1030 最新 1030 [スニペット]アイテム105 キー354549760 230 20480アイテムオフ 14586 0 devid 5 physical 67502080 item 106 key (354631680 230 4096) itemoff 14571 itemsize 16 stride 0 devid 1 physical 88559616 item 107 key (354631680 230 32768) itemoff 14555 itemsize 16 stride 0 devid 1 physical 88555520 item 108 key (354717696 230 28672) itemoff 14539 itemsize 16 stride 0 devid 2 Physical 67604480 [snip ] BTRFS 重要度最高デバイス nvme1n1
    スロット 106 キー354631680 230 32768新しいキー354635776 230 4096----[ ここで編集]---------------------- fs/btrfs/ にあるカーネルバグctree.c:2602! Oops無効な opcode0000 [#1] PREEMPT SMP PTI CPU1 UID0 PID
    1055 通信fsstress 汚染されていない 6.13.0-rc1+ #1464 ハードウェア名QEMU Standard PCi440FX + PIIX、1996、BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014 RIP 0010:btrfs_set_item_key_safe+0xf7/0x270 Code: <snip> RSP: 0018:ffffc90001337ab0 EFLAGS: 00010287 RAX: 0000000000000000 RBX: ffff8881115fd000 RCX
    0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffff888110ed6f50 R08: 00000000ffffefff R09: ffffffff8244c500 R10: 00000000ffffefff R11: 00000000ffffffff R12:
    ffff888100586000 R1300000000000000c9 R14ffffc90001337b1f R15ffff888110f23b58 FS
    00007f7d75c72740(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0:
    0000000080050033 CR2: 00007fa811652c60 CR3: 0000000111398001 CR4: 0000000000370eb0 Call Trace: <TASK> ?
    __die_body.cold+0x14/0x1a ? diet+0x2e/0x50 ? do_trap+0xca/0x110 ? do_error_trap+0x65/0x80 ? btrfs_set_item_key_safe+0xf7/0x270 ? exc_invalid_op+0x50/0x70 ? btrfs_set_item_key_safe+0xf7/0x270 ? asm_exc_invalid_op+0x1a/0x20 ? btrfs_set_item_key_safe+0xf7/0x270 btrfs_partially_delete_raid_extent+0xc4/0xe0 btrfs_delete_raid_extent+0x227/0x240
    __btrfs_free_extent.isra.0+0x57f/0x9c0 ? exc_coproc_segment_overrun+0x40/0x40
    __btrfs_run_delayed_refs+0x2fa/0xe80 btrfs_run_delayed_refs+0x81/0xe0 btrfs_commit_transaction+0x2dd/0xbe0 ? preempt_count_add+0x52/0xb0 btrfs_sync_file+0x375/0x4c0 do_fsync+0x39/0x70 __x64_sys_fsync+0x13/0x20 do_syscall_64+0x54/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f7d7550ef90 Code: <snip> RSP: 002b:00007ffd70237248 EFLAGS: 00000202 ORIG_RAX: 000000000000004a RAXffffffffffffffda RBX
    0000000000000004 RCX: 00007f7d7550ef90 RDX: 000000000000013a RSI: 000000000040eb28 RDI: 0000000000000004 RBP: 000000000000001b R08: 0000000000000078 R09: 00007ffd7023725c R10: 00007f7d75400390 R11:
    0000000000000202 R12028f5c28f5c28f5c R13: 8f5c28f5c28f5c29 R14: 00000000040b520 R15: 00007f7d75c726 </TASK> c8 ツリー順序破損の root 原因が明確でないため、 key および copy の両方を実行します。 -device 物理アドレスは、この問題に対処する安全な方法です。CVE-2025-21752

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - btrfs不在 RAID stripe-extents 上使用 btrfs_set_item_key_safe 请勿使用 btrfs_set_item_key_safe() 修改 RAID 条带树中的密钥因为这可导致树损坏这一点可以被 btrfs_set_item_key_safe 中的检查发现BTRFS 信息设备 nvme1n1leaf 49168384 gen 15 total ptrs 194 可用空间 8329 所有者 12 BTRFS 信息设备 nvme1n1refs 2 lock_owner 1030 current 1030 [ snip ] item 105 key (354549760 230 20480) itemoff 16587 itemsize 0 devid 5 physical 67502080 item 106 key (354631680 230 4096) itemoff 14571 itemsize 16 stride 0 devid 1 physical 88559616 item 107 key (354631680 230 32768) itemoff 14555 itemsize 16 stride 0 devid 1 physical 88555520 item 108 key (354717696 230 28672) itemoff 14539 itemsize 16 stride 0 devid 2physical 67604480 [ snip ] BTRFS 危急设备 nvme1n1
    插槽 106 密钥 (354631680 230 32768) 新密钥 (354635776 230 4096) ------------[ cut here ]------------ fs/btrfs/ 的内核缺陷ctree.c2602 oops无效的 opcode0000 [#1] PREEMPT SMP PTI CPU1 UID0 PID
    1055 Commfsstress Not tainted 6.13.0-rc1+ #1464 硬件名称QEMU Standard PC (i440FX + PIIX, 1996)BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014 RIP 0010:btrfs_set_item_key_safe+0xf7/0x270 代码 <snip> RSP: 0018:ffffc90001337ab0 EFLAGS: 00010287 RAX: 0000000000000000 RBX: ffff8881115fd000 RCX
    0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffff888110ed6f50 R08: 00000000ffffefff R09: ffffffff8244c500 R10: 00000000ffffefff R11: 00000000ffffffff R12:
    ffff888100586000 R1300000000000000c9 R14ffffc90001337b1f R15ffff888110f23b58 FS
    00007f7d75c72740(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0:
    0000000080050033 CR2: 00007fa811652c60 CR3: 0000000111398001 CR4: 0000000000370eb0 调用跟踪 <TASK> ?
    __die_body.cold+0x14/0x1a die+0x2e/0x50 ? do_trap+0xca/0x110 ? do_error_trap+0x65/0x80 ? btrfs_set_item_key_safe+0xf7/0x270 ? exc_invalid_op+0x50/0x70 ? btrfs_set_item_key_safe+0xf7/0x270 ? asm_exc_invalid_op+0x1a/0x20 ? btrfs_set_item_key_safe+0xf7/0x270 btrfs_partially_delete_raid_extent+0xc4/0xe0 btrfs_delete_raid_extent+0x227/0x240
    __btrfs_free_extent.isra.0+0x57f/0x9c0 ? exc_coproc_segment_overrun+0x40/0x40
    __btrfs_run_delayed_refs+0x2fa/0xe80 btrfs_run_delayed_refs+0x81/0xe0 btrfs_commit_transaction+0x2dd/0xbe0 preempt_count_add+0x52/0xb0 btrfs_sync_file+0x375/0x4c0 do_fsync+0x39/0x70 __x64_sys_fsync+0x13/0x20 do_syscall_64+0x54/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f7d7550ef90 Code: <snip> RSP: 002b:00007ffd70237248 EFLAGS: 00000202 ORIG_RAX: 000000000000004a RAX: ffffffffffffffda RBX
    0000000000000004 RCX: 00007f7d7550ef90 RDX: 000000000000013a RSI: 000000000040eb28 RDI: 0000000000000004 RBP: 000000000000001b R08: 0000000000000078 R09: 00007ffd7023725c R10: 00007f7d75400390 R11:
     R120000000000000201 R13​ R14​ R15​ </TASK> ​ -设备物理地址是解决此问题的安全方式。 (CVE-2025-21752)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - btrfs不要在 RAID strip-extents 上使用 btrfs_set_item_key_safe 不要使用 btrfs_set_item_key_safe() 修改 RAID strip-tree 中的金鑰因為這會導致樹狀結構損毀btrfs_set_item_key_safe( )BTRFS 資訊 (裝置 nvme1n1)leaf 49168384 gen 15 總 ptrs 194 可用空間 8329 擁有者 12 BTRFS 資訊 (裝置 nvme1n1)refs 2 lock_owner 1030 最新 1030 [ snip ] 項目 105 金鑰 (354549760 230 20480) itemoff 14587 itemsize 0 devid 5 physical 67502080 item 106 key (354631680 230 4096) itemoff 14571 itemsize 16 stride 0 devid 1 physical 88559616 item 107 key (354631680 230 32768) itemoff 14555 itemsize 16 stride 0 devid 1 physical 88555520 item 108 key (354717696 230 28672) itemoff 14539 itemsize 16 stride 0 devid 2 實體 67604480 [ snip ] BTRFS 重大 (裝置 nvme1n1)
    插槽 106 金鑰 (354631680 230 32768) 新金鑰 (354635776 230 4096) ------------[ 此處截斷 ]------------ fs/btrfs/ 的核心錯誤ctree.c:2602! Oops無效 opcode0000 [#1] PREEMPT SMP PTI CPU1 UID0 PID
    1055 Commfsstress 未受污染的 6.13.0-rc1+ #1464 硬體名稱QEMU Standard PC (i440FX + PIIX, 1996)BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 2014 年 4 月 1 日 RIP 0010:btrfs_set_item_key_safe+0xf7/0x270 程式碼 <snip> RSP0018:ffffc90001337ab0 EFLAGS00010287 RAX0000000000000000 RBXffff8881115fd000 RCX
    0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00000000ffffffff RBP: ffff888110ed6f50 R08: 00000000ffffefff R09: ffffffff8244c500 R10: 00000000ffffefff R11: 00000000ffffffff R12:
    ffff888100586000 R1300000000000000c9 R14ffffc90001337b1f R15ffff888110f23b58 FS
    00007f7d75c72740(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0
    0000000080050033 CR2: 00007fa811652c60 CR3: 0000000111398001 CR4: 0000000000370eb0 呼叫追踪 <TASK> 
    __die_body.cold+0x14/0x1a ? die+0x2e/0x50 ? do_trap+0xca/0x110 ? do_error_trap+0x65/0x80 ? btrfs_set_item_key_safe+0xf7/0x270 exc_invalid_op+0x50/0x70 ? btrfs_set_item_key_safe+0xf7/0x270 asm_exc_invalid_op+0x1a/0x20 ? btrfs_set_item_key_safe+0xf7/0x270 btrfs_partially_delete_raid_extent+0xc4/0xe0 btrfs_delete_raid_extent+0x227/0x240
    __btrfs_free_extent.isra.0+0x57f/0x9c0 ? exc_coproc_segment_overrun+0x40/0x40
    __btrfs_run_delayed_refs+0x2fa/0xe80 btrfs_run_delayed_refs+0x81/0xe0 btrfs_commit_transaction+0x2dd/0xbe0 preempt_count_add+0x52/0xb0 btrfs_sync_file+0x375/0x4c0 do_fsync+0x39/0x70 __x64_sys_fsync+0x13/0x20 do_syscall_64+0x54/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f7d7550ef90 Code: <snip> RSP: 002b:00007ffd70237248 EFLAGS: 00000202 ORIG_RAX: 000000000000004a RAXffffffffffffda RBX
    0000000000000004 RCX: 00007f7d7550ef90 RDX: 000000000000013a RSI: 000000000040eb28 RDI: 0000000000000004 RBP: 000000000000001b R08: 0000000000000078 R09: 00007ffd7023725c R10: 00007f7d75400390 R11:
    0000000000000202 R12028f5c28f5c28f5c R138f5c28f5c28f5c29 R14000000000040b520 R1500007f7d75c726c8 </TASK> 雖然不清楚樹狀結構順序損毀的根本原因但使用 btrf 項目然後再使用 _ 調整- 裝置實體位址可安全解決此問題。 (CVE-2025-21752)

請注意，Nessus 依賴供應商報告的套件存在。

ID	Name	Product	Family	Published	Updated	Severity
230714	Linux Distros Unpatched Vulnerability : CVE-2025-21752	Nessus	Misc.	3/6/2025	8/7/2025	medium
230714	Linux Distros のパッチ未適用の脆弱性: CVE-2025-21752	Nessus	Misc.	3/6/2025	8/7/2025	medium
230714	Linux Distros 未修补的漏洞：CVE-2025-21752	Nessus	Misc.	3/6/2025	8/7/2025	medium
230714	Linux Distros 未修補的弱點：CVE-2025-21752	Nessus	Misc.	3/6/2025	8/7/2025	medium

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