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CVE-2024-27000

serial: mxs-auart: add spinlock around changing cts state PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: serial: mxs-auart: add spinlock around changing cts state The uart_handle_cts_change() function in serial_core expects the caller to hold uport->lock. For example, I have seen the below kernel splat, when the Bluetooth driver is loaded on an i.MX28 board. [ 85.119255] ------------[ cut here ]------------ [ 85.124413] WARNING: CPU: 0 PID: 27 at /drivers/tty/serial/serial_core.c:3453 uart_handle_cts_change+0xb4/0xec [ 85.134694] Modules linked in: hci_uart bluetooth ecdh_generic ecc wlcore_sdio configfs [ 85.143314] CPU: 0 PID: 27 Comm: kworker/u3:0 Not tainted 6.6.3-00021-gd62a2f068f92 #1 [ 85.151396] Hardware name: Freescale MXS (Device Tree) [ 85.156679] Workqueue: hci0 hci_power_on [bluetooth] (...) [ 85.191765] uart_handle_cts_change from mxs_auart_irq_handle+0x380/0x3f4 [ 85.198787] mxs_auart_irq_handle from __handle_irq_event_percpu+0x88/0x210 (...)

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 56434e295bd446142025913bfdf1587f5e1970ad; affected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 21535ef0ac1945080198fe3e4347ea498205c99a; affected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 0dc0637e6b16158af85945425821bfd0151adb37; affected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 479244d68f5d94f3903eced52b093c1e01ddb495; affected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 2c9b943e9924cf1269e44289bc5e60e51b0f5270; affected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 5f40fd6ca2cf0bfbc5a5c9e403dfce8ca899ba37; affected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 94b0e65c75f4af888ab2dd6c90f060f762924e86; affected 4d90bb147ef6b91f529a21b498ff2b5fdc6785b4 before 54c4ec5f8c471b7c1137a1f769648549c423c026
Linux / Linuxaffected 3.18; unaffected 0 before 3.18; unaffected 4.19.313 through 4.19.*; unaffected 5.4.275 through 5.4.*; unaffected 5.10.216 through 5.10.*; unaffected 5.15.158 through 5.15.*; unaffected 6.1.88 through 6.1.*; unaffected 6.6.29 through 6.6.*; unaffected 6.8.8 through 6.8.*; unaffected 6.9 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.