wifi: carl9170: add a proper sanity check for endpoints

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Summary

CVECVE-2024-38567
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-06-19 14:15:16 UTC
Updated2026-05-12 12:16:53 UTC
DescriptionIn 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:

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c eb0f2fc3ff5806cc572cd9055ce7c52a01e97645 git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c ac3ed46a8741d464bc70ebdf7433c1d786cf329d git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c 8650725bb0a48b206d5a8ddad3a7488f9a5985b7 git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c 6a9892bf24c906b4d6b587f8759ca38bff672582 git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c 265c3cda471c26e0f25d0c755da94e1eb15d7a0c git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c 62eb07923f3693d55b0c2d9a5a4f1ad72cb6b8fd git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c 03ddc74bdfd71b84a55c9f2185d8787f258422cd git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c 0fa08a55201ab9be72bacb8ea93cf752d338184f git Not specified
CNA Linux Linux affected a84fab3cbfdc427e7d366f1cc844f27b2084c26c b6dd09b3dac89b45d1ea3e3bd035a3859c0369a0 git Not specified
CNA Linux Linux affected 2.6.37 Not specified
CNA Linux Linux unaffected 2.6.37 semver Not specified
CNA Linux Linux unaffected 4.19.316 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.278 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.219 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.161 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.93 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.33 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.12 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9.3 6.9.* semver Not specified
CNA Linux Linux unaffected 6.10 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/03ddc74bdfd71b84a55c9f2185d8787f258422cd af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/b6dd09b3dac89b45d1ea3e3bd035a3859c0369a0 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/62eb07923f3693d55b0c2d9a5a4f1ad72cb6b8fd af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/8650725bb0a48b206d5a8ddad3a7488f9a5985b7 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/0fa08a55201ab9be72bacb8ea93cf752d338184f af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/6a9892bf24c906b4d6b587f8759ca38bff672582 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/265c3cda471c26e0f25d0c755da94e1eb15d7a0c af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00020.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/ac3ed46a8741d464bc70ebdf7433c1d786cf329d af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/eb0f2fc3ff5806cc572cd9055ce7c52a01e97645 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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