- Vulnerability/
- CVE-2024-27000
CVE-2024-27000: serial: mxs-auart: add spinlock around changing cts state
First published: Wed May 01 2024(Updated: )
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 (...)
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/0dc0637e6b16158af85945425821bfd0151adb37
- https://git.kernel.org/stable/c/21535ef0ac1945080198fe3e4347ea498205c99a
- https://git.kernel.org/stable/c/2c9b943e9924cf1269e44289bc5e60e51b0f5270
- https://git.kernel.org/stable/c/479244d68f5d94f3903eced52b093c1e01ddb495
- https://git.kernel.org/stable/c/54c4ec5f8c471b7c1137a1f769648549c423c026
- https://git.kernel.org/stable/c/56434e295bd446142025913bfdf1587f5e1970ad
- https://git.kernel.org/stable/c/5f40fd6ca2cf0bfbc5a5c9e403dfce8ca899ba37
- https://git.kernel.org/stable/c/94b0e65c75f4af888ab2dd6c90f060f762924e86
- https://launchpad.net/bugs/cve/CVE-2024-27000
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27000
- https://nvd.nist.gov/vuln/detail/CVE-2024-27000
- https://security-tracker.debian.org/tracker/CVE-2024-27000
- https://ubuntu.com/security/CVE-2024-27000
- https://git.kernel.org/linus/54c4ec5f8c471b7c1137a1f769648549c423c026
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