{"id":"CVE-2024-27013","title":"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","summary":"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_…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.35, < 4.19.313","linux_kernel >= 4.20, < 5.4.275","linux_kernel >= 5.5, < 5.10.216","linux_kernel >= 5.11, < 5.15.157","linux_kernel >= 5.16, < 6.1.88","linux_kernel >= 6.2, < 6.6.29","linux_kernel >= 6.7, < 6.8.8","linux_kernel = 6.9","fedora = 38","fedora = 39","fedora = 40"],"patched":["linux_kernel 6.8.8"],"published":"2024-05-01","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:17:36.243","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-27013","references":[{"url":"https://git.kernel.org/stable/c/14cdb43dbc827e18ac7d5b30c5b4c676219f1421","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/40f4ced305c6c47487d3cd8da54676e2acc1a6ad","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4b0dcae5c4797bf31c63011ed62917210d3fdac3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/52854101180beccdb9dc2077a3bea31b6ad48dfa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/62e27ef18eb4f0d33bbae8e9ef56b99696a74713","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/68459b8e3ee554ce71878af9eb69659b9462c588","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a50dbeca28acf7051dfa92786b85f704c75db6eb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f8bbc07ac535593139c875ffa19af924b1084540","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/14cdb43dbc827e18ac7d5b30c5b4c676219f1421","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/40f4ced305c6c47487d3cd8da54676e2acc1a6ad","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/4b0dcae5c4797bf31c63011ed62917210d3fdac3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/52854101180beccdb9dc2077a3bea31b6ad48dfa","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/62e27ef18eb4f0d33bbae8e9ef56b99696a74713","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/68459b8e3ee554ce71878af9eb69659b9462c588","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a50dbeca28acf7051dfa92786b85f704c75db6eb","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/f8bbc07ac535593139c875ffa19af924b1084540","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00273,"epssPercentile":0.19576,"ingestedAt":"2026-10-15T03:30:12.668Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-05-01T13:35:26.133742Z"},"slug":"CVE-2024-27013","body":"## Overview\n\nIn 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\n\n## Affected\n\n- `linux_kernel >= 2.6.35, < 4.19.313`\n- `linux_kernel >= 4.20, < 5.4.275`\n- `linux_kernel >= 5.5, < 5.10.216`\n- `linux_kernel >= 5.11, < 5.15.157`\n- `linux_kernel >= 5.16, < 6.1.88`\n- `linux_kernel >= 6.2, < 6.6.29`\n- `linux_kernel >= 6.7, < 6.8.8`\n- `linux_kernel = 6.9`\n- `fedora = 38`\n- `fedora = 39`\n- `fedora = 40`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.8.8`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}