CVE-2024-38567

MEDIUM
Published Jun 19, 2024 Modified May 12, 2026

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: add a proper sanity check for endpoints Syzkaller reports [1] hitting a warning which is caused by presence of a wrong endpoint type at the URB sumbitting stage. While there was a check for a specific 4th endpoint, since it can switch types between bulk and interrupt, other endpoints are trusted implicitly. Similar warning is triggered in a couple of other syzbot issues [2]. Fix the issue by doing a comprehensive check of all endpoints taking into account difference between high- and full-speed configuration. [1] Syzkaller report: ... WARNING: CPU: 0 PID: 4721 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 ... Call Trace: <TASK> carl9170_usb_send_rx_irq_urb+0x273/0x340 drivers/net/wireless/ath/carl9170/usb.c:504 carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:939 [inline] carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:999 [inline] carl9170_usb_firmware_step2+0x175/0x240 drivers/net/wireless/ath/carl9170/usb.c:1028 request_firmware_work_func+0x130/0x240 drivers/base/firmware_loader/main.c:1107 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> [2] Related syzkaller crashes:

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/03ddc74bdfd71b84a55c9f2185d8787f258422cd https://git.kernel.org/stable/c/0fa08a55201ab9be72bacb8ea93cf752d338184f https://git.kernel.org/stable/c/265c3cda471c26e0f25d0c755da94e1eb15d7a0c https://git.kernel.org/stable/c/62eb07923f3693d55b0c2d9a5a4f1ad72cb6b8fd https://git.kernel.org/stable/c/6a9892bf24c906b4d6b587f8759ca38bff672582 https://git.kernel.org/stable/c/8650725bb0a48b206d5a8ddad3a7488f9a5985b7 https://git.kernel.org/stable/c/ac3ed46a8741d464bc70ebdf7433c1d786cf329d https://git.kernel.org/stable/c/b6dd09b3dac89b45d1ea3e3bd035a3859c0369a0 https://git.kernel.org/stable/c/eb0f2fc3ff5806cc572cd9055ce7c52a01e97645 https://git.kernel.org/stable/c/03ddc74bdfd71b84a55c9f2185d8787f258422cd https://git.kernel.org/stable/c/0fa08a55201ab9be72bacb8ea93cf752d338184f https://git.kernel.org/stable/c/265c3cda471c26e0f25d0c755da94e1eb15d7a0c https://git.kernel.org/stable/c/62eb07923f3693d55b0c2d9a5a4f1ad72cb6b8fd https://git.kernel.org/stable/c/6a9892bf24c906b4d6b587f8759ca38bff672582 https://git.kernel.org/stable/c/8650725bb0a48b206d5a8ddad3a7488f9a5985b7 https://git.kernel.org/stable/c/ac3ed46a8741d464bc70ebdf7433c1d786cf329d https://git.kernel.org/stable/c/b6dd09b3dac89b45d1ea3e3bd035a3859c0369a0 https://git.kernel.org/stable/c/eb0f2fc3ff5806cc572cd9055ce7c52a01e97645

Frequently Asked Questions

What is CVE-2024-38567? +
In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: add a proper sanity check for endpoints Syzkaller reports [1] hitting a warning which is caused by presence of a wrong endpoint type at the URB sumbitting stage. While there was a check for a specific 4th endpoint, since it can switch types between bulk and interrupt, other endpoints are trusted implicitly. Similar warning is triggered in a couple of other syzbot issues [2]. Fix the issue by doing a comprehensive check of all endpoints taking into account difference between high- and full-speed configuration. [1] Syzkaller report: ... WARNING: CPU: 0 PID: 4721 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 ... Call Trace: <TASK> carl9170_usb_send_rx_irq_urb+0x273/0x340 drivers/net/wireless/ath/carl9170/usb.c:504 carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:939 [inline] carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:999 [inline] carl9170_usb_firmware_step2+0x175/0x240 drivers/net/wireless/ath/carl9170/usb.c:1028 request_firmware_work_func+0x130/0x240 drivers/base/firmware_loader/main.c:1107 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> [2] Related syzkaller crashes: It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-38567? +
CVE-2024-38567 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-38567? +
CVE-2024-38567 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-38567? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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