CVE-2024-26959

MEDIUM

Linux Kernel 6.4-6.6.23, 6.7.0-6.7.11, 6.8.0-6.8.2 - Denial of Service via btnxpuart_close Scheduling While Atomic

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btnxpuart: Fix btnxpuart_close Fix scheduling while atomic BUG in btnxpuart_close(), properly purge the transmit queue and free the receive skb. [ 10.973809] BUG: scheduling while atomic: kworker/u9:0/80/0x00000002 ... [ 10.980740] CPU: 3 PID: 80 Comm: kworker/u9:0 Not tainted 6.8.0-rc7-0.0.0-devel-00005-g61fdfceacf09 #1 [ 10.980751] Hardware name: Toradex Verdin AM62 WB on Dahlia Board (DT) [ 10.980760] Workqueue: hci0 hci_power_off [bluetooth] [ 10.981169] Call trace: ... [ 10.981363] uart_update_mctrl+0x58/0x78 [ 10.981373] uart_dtr_rts+0x104/0x114 [ 10.981381] tty_port_shutdown+0xd4/0xdc [ 10.981396] tty_port_close+0x40/0xbc [ 10.981407] uart_close+0x34/0x9c [ 10.981414] ttyport_close+0x50/0x94 [ 10.981430] serdev_device_close+0x40/0x50 [ 10.981442] btnxpuart_close+0x24/0x98 [btnxpuart] [ 10.981469] hci_dev_close_sync+0x2d8/0x718 [bluetooth] [ 10.981728] hci_dev_do_close+0x2c/0x70 [bluetooth] [ 10.981862] hci_power_off+0x20/0x64 [bluetooth]

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (14)
linux/Kernel 6.4.0 - 6.6.24linux
linux/Kernel 6.7.0 - 6.7.12linux
linux/Kernel 6.8.0 - 6.8.3linux
Linux/Linux < 6.4
Linux/Linux 6.4
Linux/Linux 6.6.24 - 6.6.*
Linux/Linux 6.7.12 - 6.7.*
Linux/Linux 6.8.3 - 6.8.*
Linux/Linux 6.9
Linux/Linux 689ca16e523278470c38832a3010645a78c544d8 - 586e099c93fe26b7bd40593979532f507ed9f6a4
... and 4 more
Published May 01, 2024
Tracked Since Feb 18, 2026