CVE-2024-27013

Disclosure Date: May 01, 2024 •

CVE-2024-27013 CVSS v3 Base Score: 5.5

MITRE ATT&CK

Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

In the Linux kernel, the following vulnerability has been resolved:

tun: limit printing rate when illegal packet received by tun dev

vhost_worker will call tun call backs to receive packets. If too many
illegal packets arrives, tun_do_read will keep dumping packet contents.
When console is enabled, it will costs much more cpu time to dump
packet and soft lockup will be detected.

net_ratelimit mechanism can be used to limit the dumping rate.

PID: 33036 TASK: ffff949da6f20000 CPU: 23 COMMAND: “vhost-32980”
#0 [fffffe00003fce50] crash_nmi_callback at ffffffff89249253
#1 [fffffe00003fce58] nmi_handle at ffffffff89225fa3
#2 [fffffe00003fceb0] default_do_nmi at ffffffff8922642e
#3 [fffffe00003fced0] do_nmi at ffffffff8922660d
#4 [fffffe00003fcef0] end_repeat_nmi at ffffffff89c01663

[exception RIP: io_serial_in+20]
RIP: ffffffff89792594  RSP: ffffa655314979e8  RFLAGS: 00000002
RAX: ffffffff89792500  RBX: ffffffff8af428a0  RCX: 0000000000000000
RDX: 00000000000003fd  RSI: 0000000000000005  RDI: ffffffff8af428a0
RBP: 0000000000002710   R8: 0000000000000004   R9: 000000000000000f
R10: 0000000000000000  R11: ffffffff8acbf64f  R12: 0000000000000020
R13: ffffffff8acbf698  R14: 0000000000000058  R15: 0000000000000000
ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018

#5 [ffffa655314979e8] io_serial_in at ffffffff89792594
#6 [ffffa655314979e8] wait_for_xmitr at ffffffff89793470
#7 [ffffa65531497a08] serial8250_console_putchar at ffffffff897934f6
#8 [ffffa65531497a20] uart_console_write at ffffffff8978b605
#9 [ffffa65531497a48] serial8250_console_write at ffffffff89796558
#10 [ffffa65531497ac8] console_unlock at ffffffff89316124
#11 [ffffa65531497b10] vprintk_emit at ffffffff89317c07
#12 [ffffa65531497b68] printk at ffffffff89318306
#13 [ffffa65531497bc8] print_hex_dump at ffffffff89650765
#14 [ffffa65531497ca8] tun_do_read at ffffffffc0b06c27 [tun]
#15 [ffffa65531497d38] tun_recvmsg at ffffffffc0b06e34 [tun]
#16 [ffffa65531497d68] handle_rx at ffffffffc0c5d682 [vhost_net]
#17 [ffffa65531497ed0] vhost_worker at ffffffffc0c644dc [vhost]
#18 [ffffa65531497f10] kthread at ffffffff892d2e72
#19 [ffffa65531497f50] ret_from_fork at ffffffff89c0022f