CVE-2024-38567 Affecting kernel-uek-devel package, versions <0:4.14.35-2047.540.4.1.el7uek
Threat Intelligence
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Test your applications- Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-7677686
- published14 Aug 2024
- disclosed19 Jun 2024
Introduced: 19 Jun 2024
CVE-2024-38567 (opens in a new tab)How to fix?
Upgrade Oracle:7 kernel-uek-devel to version 0:4.14.35-2047.540.4.1.el7uek or higher.
This issue was patched in ELSA-2024-12611.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
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:
References
- https://linux.oracle.com/cve/CVE-2024-38567.html
- https://linux.oracle.com/errata/ELSA-2024-12581.html
- https://linux.oracle.com/errata/ELSA-2024-12611.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- 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