CVE-2024-36005: netfilter: nf_tables: honor table dormant flag from netdev release event path
First published: Mon May 20 2024(Updated: )
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
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.10.216 | 5.10.216 |
| redhat/kernel | <5.15.158 | 5.15.158 |
| redhat/kernel | <6.1.90 | 6.1.90 |
| redhat/kernel | <6.6.30 | 6.6.30 |
| redhat/kernel | <6.8.9 | 6.8.9 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.9-1 6.11.10-1 |
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Reference Links
- 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://launchpad.net/bugs/cve/CVE-2024-36005
- https://access.redhat.com/security/cve/CVE-2024-36005
- https://lore.kernel.org/linux-cve-announce/2024052024-CVE-2024-36005-2336@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281950
- https://access.redhat.com/errata/RHSA-2024:4447
- https://access.redhat.com/errata/RHSA-2024:4533
- https://access.redhat.com/errata/RHSA-2024:4554
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:5266
- https://access.redhat.com/errata/RHSA-2024:5282
- https://access.redhat.com/errata/RHSA-2024:5363
- https://access.redhat.com/errata/RHSA-2024:6993
- https://bugzilla.redhat.com/show_bug.cgi?id=2281949
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36005
- https://nvd.nist.gov/vuln/detail/CVE-2024-36005
- https://security-tracker.debian.org/tracker/CVE-2024-36005
- https://ubuntu.com/security/CVE-2024-36005
- https://git.kernel.org/linus/8e30abc9ace4f0add4cd761dfdbfaebae5632dd2
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