{ "id": "CVE-2024-27013", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-05-01T06:15:19.857", "lastModified": "2024-06-27T12:15:23.747", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntun: limit printing rate when illegal packet received by tun dev\n\nvhost_worker will call tun call backs to receive packets. If too many\nillegal packets arrives, tun_do_read will keep dumping packet contents.\nWhen console is enabled, it will costs much more cpu time to dump\npacket and soft lockup will be detected.\n\nnet_ratelimit mechanism can be used to limit the dumping rate.\n\nPID: 33036 TASK: ffff949da6f20000 CPU: 23 COMMAND: \"vhost-32980\"\n #0 [fffffe00003fce50] crash_nmi_callback at ffffffff89249253\n #1 [fffffe00003fce58] nmi_handle at ffffffff89225fa3\n #2 [fffffe00003fceb0] default_do_nmi at ffffffff8922642e\n #3 [fffffe00003fced0] do_nmi at ffffffff8922660d\n #4 [fffffe00003fcef0] end_repeat_nmi at ffffffff89c01663\n [exception RIP: io_serial_in+20]\n RIP: ffffffff89792594 RSP: ffffa655314979e8 RFLAGS: 00000002\n RAX: ffffffff89792500 RBX: ffffffff8af428a0 RCX: 0000000000000000\n RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff8af428a0\n RBP: 0000000000002710 R8: 0000000000000004 R9: 000000000000000f\n R10: 0000000000000000 R11: ffffffff8acbf64f R12: 0000000000000020\n R13: ffffffff8acbf698 R14: 0000000000000058 R15: 0000000000000000\n ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018\n #5 [ffffa655314979e8] io_serial_in at ffffffff89792594\n #6 [ffffa655314979e8] wait_for_xmitr at ffffffff89793470\n #7 [ffffa65531497a08] serial8250_console_putchar at ffffffff897934f6\n #8 [ffffa65531497a20] uart_console_write at ffffffff8978b605\n #9 [ffffa65531497a48] serial8250_console_write at ffffffff89796558\n #10 [ffffa65531497ac8] console_unlock at ffffffff89316124\n #11 [ffffa65531497b10] vprintk_emit at ffffffff89317c07\n #12 [ffffa65531497b68] printk at ffffffff89318306\n #13 [ffffa65531497bc8] print_hex_dump at ffffffff89650765\n #14 [ffffa65531497ca8] tun_do_read at ffffffffc0b06c27 [tun]\n #15 [ffffa65531497d38] tun_recvmsg at ffffffffc0b06e34 [tun]\n #16 [ffffa65531497d68] handle_rx at ffffffffc0c5d682 [vhost_net]\n #17 [ffffa65531497ed0] vhost_worker at ffffffffc0c644dc [vhost]\n #18 [ffffa65531497f10] kthread at ffffffff892d2e72\n #19 [ffffa65531497f50] ret_from_fork at ffffffff89c0022f" }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tun: limita la velocidad de impresi\u00f3n cuando el paquete ilegal recibido por tun dev vhost_worker llamar\u00e1 a tun para recibir paquetes. Si llegan demasiados paquetes ilegales, tun_do_read seguir\u00e1 descargando el contenido de los paquetes. Cuando la consola est\u00e1 habilitada, le costar\u00e1 mucho m\u00e1s tiempo a la CPU volcar el paquete y se detectar\u00e1 un bloqueo suave. El mecanismo net_ratelimit se puede utilizar para limitar la tasa de dumping. PID: 33036 TAREA: ffff949da6f20000 CPU: 23 COMANDO: \"vhost-32980\" #0 [fffffe00003fce50] crash_nmi_callback en ffffffff89249253 #1 [fffffe00003fce58] nmi_handle en ffffffff89225fa3 #2 00003fceb0] default_do_nmi en ffffffff8922642e #3 [fffffe00003fced0] do_nmi en ffffffff8922660d #4 [fffffe00003fcef0] end_repeat_nmi en ffffffff89c01663 [excepci\u00f3n RIP: io_serial_in+20] RIP: ffffffff89792594 RSP: ffffa655314979e8 RFLAGS: 00000002 RAX: ffffffff89792500 RBX: ff8af428a0 RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff8af428a0 RBP: 0000000000002710 R8: 00000000000000004 R9: 000000000000000f R10: 0000000000000000 R11: ffffffff8acbf64f R12: 0000000000000020 R13: ffffffff8acbf698 R14: 00000000000000058 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #5 [ffffa655314979e8] io_serial_in en ffffffff89792594 #6 [ffffa655314979e8] wait_for_xmitr en ffffffff89793470 #7 [ffffa65531497a08] console_putchar en ffffffff897934f6 #8 [ffffa65531497a20] uart_console_write en ffffffff8978b605 #9 [ffffa65531497a48] serial8250_console_write en ffffffff89796558 #10 [ffffa65531497ac8] console_unlock en ffffffff8 9316124 #11 [ffffa65531497b10] vprintk_emit en ffffffff89317c07 #12 [ffffa65531497b68] printk en ffffffff89318306 #13 [ffffa65531497bc8] print_hex_dump en ffffffff89650765 # 14 [ffffa65531497ca8] tun_do_read en ffffffffc0b06c27 [tun] #15 [ffffa65531497d38] tun_recvmsg en ffffffffc0b06e34 [tun] #16 [ffffa65531497d68] handle_rx en ffffffffc0c5d682 [vhost_net] #17 [ffffa65531497ed0] vhost_worker en ffffffffc0c644dc [vhost] #18 [ffffa65531497f10] kthread en ffffffff892d2e72 #19 [ffffa65531497f50] ret_from_fork en ffffffff89c0022f" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-770" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "4.19.313", "matchCriteriaId": "A8DD9A34-5E30-4BAA-9BDA-43ABF581D1A0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.4.275", "matchCriteriaId": "5FF6D8DE-C559-4586-86C8-2C6B4420A2C2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.216", "matchCriteriaId": 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], "references": [ { "url": "https://git.kernel.org/stable/c/14cdb43dbc827e18ac7d5b30c5b4c676219f1421", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/40f4ced305c6c47487d3cd8da54676e2acc1a6ad", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/4b0dcae5c4797bf31c63011ed62917210d3fdac3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/52854101180beccdb9dc2077a3bea31b6ad48dfa", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/62e27ef18eb4f0d33bbae8e9ef56b99696a74713", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/68459b8e3ee554ce71878af9eb69659b9462c588", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/a50dbeca28acf7051dfa92786b85f704c75db6eb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/f8bbc07ac535593139c875ffa19af924b1084540", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" } ] }