CVE-2024-36005

MEDIUM
Published May 20, 2024 Modified May 12, 2026

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. [524854.857999] ------------[ cut here ]------------ [524854.858010] WARNING: CPU: 0 PID: 3386599 at net/netfilter/core.c:501 __nf_unregister_net_hook+0x21a/0x260 [...] [524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 Not tainted 6.9.0-rc3+ #365 [524854.858869] Workqueue: netns cleanup_net [524854.858886] RIP: 0010:__nf_unregister_net_hook+0x21a/0x260 [524854.858903] Code: 24 e8 aa 73 83 ff 48 63 43 1c 83 f8 01 0f 85 3d ff ff ff e8 98 d1 f0 ff 48 8b 3c 24 e8 8f 73 83 ff 48 63 43 1c e9 26 ff ff ff <0f> 0b 48 83 c4 18 48 c7 c7 00 68 e9 82 5b 5d 41 5c 41 5d 41 5e 41 [524854.858914] RSP: 0018:ffff8881e36d79e0 EFLAGS: 00010246 [524854.858926] RAX: 0000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a [524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438 [524854.858945] RBP: ffff8881c8a16438 R08: 0000000000000001 R09: ffffed103c6daf34 [524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 0000000000000005 [524854.858962] R13: ffff8881c8a16000 R14: 0000000000000000 R15: ffff8881351b5a00 [524854.858971] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000 [524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0 [524854.859000] Call Trace: [524854.859006] <TASK> [524854.859013] ? __warn+0x9f/0x1a0 [524854.859027] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859044] ? report_bug+0x1b1/0x1e0 [524854.859060] ? handle_bug+0x3c/0x70 [524854.859071] ? exc_invalid_op+0x17/0x40 [524854.859083] ? asm_exc_invalid_op+0x1a/0x20 [524854.859100] ? __nf_unregister_net_hook+0x6a/0x260 [524854.859116] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859135] nf_tables_netdev_event+0x337/0x390 [nf_tables] [524854.859304] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859461] ? packet_notifier+0xb3/0x360 [524854.859476] ? _raw_spin_unlock_irqrestore+0x11/0x40 [524854.859489] ? dcbnl_netdevice_event+0x35/0x140 [524854.859507] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859661] notifier_call_chain+0x7d/0x140 [524854.859677] unregister_netdevice_many_notify+0x5e1/0xae0

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/13ba94f6cc820fdea15efeaa17d4c722874eebf9 https://git.kernel.org/stable/c/5c45feb3c288cf44a529e2657b36c259d86497d2 https://git.kernel.org/stable/c/8260c980aee7d8d8a3db39faf19c391d2f898816 https://git.kernel.org/stable/c/8e30abc9ace4f0add4cd761dfdbfaebae5632dd2 https://git.kernel.org/stable/c/ca34c40d1c22c555fa7f4a21a1c807fea7290a0a https://git.kernel.org/stable/c/e4bb6da24de336a7899033a65490ed2d892efa5b https://git.kernel.org/stable/c/13ba94f6cc820fdea15efeaa17d4c722874eebf9 https://git.kernel.org/stable/c/5c45feb3c288cf44a529e2657b36c259d86497d2 https://git.kernel.org/stable/c/8260c980aee7d8d8a3db39faf19c391d2f898816 https://git.kernel.org/stable/c/8e30abc9ace4f0add4cd761dfdbfaebae5632dd2 https://git.kernel.org/stable/c/ca34c40d1c22c555fa7f4a21a1c807fea7290a0a https://git.kernel.org/stable/c/e4bb6da24de336a7899033a65490ed2d892efa5b

Frequently Asked Questions

What is CVE-2024-36005? +
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. [524854.857999] ------------[ cut here ]------------ [524854.858010] WARNING: CPU: 0 PID: 3386599 at net/netfilter/core.c:501 __nf_unregister_net_hook+0x21a/0x260 [...] [524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 Not tainted 6.9.0-rc3+ #365 [524854.858869] Workqueue: netns cleanup_net [524854.858886] RIP: 0010:__nf_unregister_net_hook+0x21a/0x260 [524854.858903] Code: 24 e8 aa 73 83 ff 48 63 43 1c 83 f8 01 0f 85 3d ff ff ff e8 98 d1 f0 ff 48 8b 3c 24 e8 8f 73 83 ff 48 63 43 1c e9 26 ff ff ff <0f> 0b 48 83 c4 18 48 c7 c7 00 68 e9 82 5b 5d 41 5c 41 5d 41 5e 41 [524854.858914] RSP: 0018:ffff8881e36d79e0 EFLAGS: 00010246 [524854.858926] RAX: 0000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a [524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438 [524854.858945] RBP: ffff8881c8a16438 R08: 0000000000000001 R09: ffffed103c6daf34 [524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 0000000000000005 [524854.858962] R13: ffff8881c8a16000 R14: 0000000000000000 R15: ffff8881351b5a00 [524854.858971] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000 [524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0 [524854.859000] Call Trace: [524854.859006] <TASK> [524854.859013] ? __warn+0x9f/0x1a0 [524854.859027] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859044] ? report_bug+0x1b1/0x1e0 [524854.859060] ? handle_bug+0x3c/0x70 [524854.859071] ? exc_invalid_op+0x17/0x40 [524854.859083] ? asm_exc_invalid_op+0x1a/0x20 [524854.859100] ? __nf_unregister_net_hook+0x6a/0x260 [524854.859116] ? __nf_unregister_net_hook+0x21a/0x260 [524854.859135] nf_tables_netdev_event+0x337/0x390 [nf_tables] [524854.859304] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859461] ? packet_notifier+0xb3/0x360 [524854.859476] ? _raw_spin_unlock_irqrestore+0x11/0x40 [524854.859489] ? dcbnl_netdevice_event+0x35/0x140 [524854.859507] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables] [524854.859661] notifier_call_chain+0x7d/0x140 [524854.859677] unregister_netdevice_many_notify+0x5e1/0xae0 It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-36005? +
CVE-2024-36005 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-36005? +
CVE-2024-36005 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-36005? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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