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CVE-2024-26959

5.5 · MEDIUM

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 que…

Published May 1, 2024EPSS 0.22%

Overview

CVE-2024-26959 is a medium-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/586e099c93fe26b7bd40593979532f507ed9f6a4Refgit.kernel.org/stable/c/664130c0b0309b360bc5bdd40a30604a9387bde8Refgit.kernel.org/stable/c/74bcf708775c405f7fb6ed776ccd3e1957f38a52Refgit.kernel.org/stable/c/d4e2365b07f1ae1f811a915b514caef5b2d6581eRefgit.kernel.org/stable/c/586e099c93fe26b7bd40593979532f507ed9f6a4Refgit.kernel.org/stable/c/664130c0b0309b360bc5bdd40a30604a9387bde8Refgit.kernel.org/stable/c/74bcf708775c405f7fb6ed776ccd3e1957f38a52Refgit.kernel.org/stable/c/d4e2365b07f1ae1f811a915b514caef5b2d6581e

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26959?

CVE-2024-26959 is a medium-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26959?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-26959?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-26959?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26959 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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