CVE-2024-36005

netfilter: nf_tables: honor table dormant flag from netdev release event path

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_tables: honrar el indicador inactivo de la tabla desde la ruta del evento de lanzamiento de netdev. Verifique el indicador inactivo de la tabla; de lo contrario, la ruta del evento de lanzamiento de netdev intenta cancelar el registro de un enlace que ya no está registrado. [524854.857999] ------------[ cortar aquí ]------------ [524854.858010] ADVERTENCIA: CPU: 0 PID: 3386599 en net/netfilter/core.c :501 __nf_unregister_net_hook+0x21a/0x260 [...] [524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 No contaminado 6.9.0-rc3+ #365 [524854.858869] Cola de trabajo: netns cleanup_net [524854 .858886] QEPD: 0010 :__nf_unregister_net_hook+0x21a/0x260 [524854.858903] Código: 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 83 y sigs 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 24854.858926] RAX: 00000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a [524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438 [524854.858945] RBP: ffff8881c8a16438 R08: 00000000000000 01 R09: ffffed103c6daf34 [524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 00000000000000005 [524854.858962] R13: 16000 R14: 0000000000000000 R15: ffff8881351b5a00 [524854.858971 ] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000 [524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0033 [524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0 [524854.859000] Seguimiento de llamadas: [ 524854.859006] [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

*Credits: N/A

CVSS Scores

Red Hatv3.1 5.5

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-17 CVE Reserved
2024-05-20 CVE Published
2024-05-21 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (10)

URL	Tag	Source
https://git.kernel.org/stable/c/d54725cd11a57c30f650260cfb0a92c268bdc3e0	Vuln. Introduced
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/e4bb6da24de336a7899033a65490ed2d892efa5b	2024-05-02
https://git.kernel.org/stable/c/5c45feb3c288cf44a529e2657b36c259d86497d2	2024-05-02
https://git.kernel.org/stable/c/13ba94f6cc820fdea15efeaa17d4c722874eebf9	2024-05-02
https://git.kernel.org/stable/c/8260c980aee7d8d8a3db39faf19c391d2f898816	2024-05-02
https://git.kernel.org/stable/c/ca34c40d1c22c555fa7f4a21a1c807fea7290a0a	2024-05-02
https://git.kernel.org/stable/c/8e30abc9ace4f0add4cd761dfdbfaebae5632dd2	2024-04-25

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2024-36005	2024-09-24
https://bugzilla.redhat.com/show_bug.cgi?id=2281949	2024-09-24

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.5 < 5.10.216 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.10.216"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.5 < 5.15.158 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.15.158"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.5 < 6.1.90 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 6.1.90"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.5 < 6.6.30 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 6.6.30"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.5 < 6.8.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 6.8.9"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.5 < 6.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 6.9"		en		Affected