Description
In the Linux kernel, the following vulnerability has been resolved: usb: roles: fix NULL pointer issue when put module's reference In current design, usb role class driver will get usb_role_switch parent's module reference after the user get usb_role_switch device and put the reference after the user put the usb_role_switch device. However, the parent device of usb_role_switch may be removed before the user put the usb_role_switch. If so, then, NULL pointer issue will be met when the user put the parent module's reference. This will save the module pointer in structure of usb_role_switch. Then, we don't need to find module by iterating long relations.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
5c54fcac9a9de559b444ac63ec3cd82f1d157a0b to < e279bf8e51893e1fe160b3d8126ef2dd00f661e1affected5c54fcac9a9de559b444ac63ec3cd82f1d157a0b to < ef982fc41055fcebb361a92288d3225783d12913affected5c54fcac9a9de559b444ac63ec3cd82f1d157a0b to < 0158216805ca7e498d07de38840d2732166ae5faaffected5c54fcac9a9de559b444ac63ec3cd82f1d157a0b to < 4b45829440b1b208948b39cc71f77a37a2536734affected5c54fcac9a9de559b444ac63ec3cd82f1d157a0b to < 01f82de440f2ab07c259b7573371e1c42e5565dbaffected5c54fcac9a9de559b444ac63ec3cd82f1d157a0b to < 1c9be13846c0b2abc2480602f8ef421360e1ad9eaffected7b169e33a3bc9040e06988b2bc15e83d2af80358affected4.18.12 to < 4.19affected
Linux Linux
Default version status: affected
4.19affected0 to < 4.19unaffected5.10.211 to ≤ 5.10.*unaffected5.15.150 to ≤ 5.15.*unaffected6.1.80 to ≤ 6.1.*unaffected6.6.19 to ≤ 6.6.*unaffected6.7.7 to ≤ 6.7.*unaffected6.8 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/e279bf8e51893e1fe160b3d8126ef2dd00f661e1 ↗
- https://git.kernel.org/stable/c/ef982fc41055fcebb361a92288d3225783d12913 ↗
- https://git.kernel.org/stable/c/0158216805ca7e498d07de38840d2732166ae5fa ↗
- https://git.kernel.org/stable/c/4b45829440b1b208948b39cc71f77a37a2536734 ↗
- https://git.kernel.org/stable/c/01f82de440f2ab07c259b7573371e1c42e5565db ↗
- https://git.kernel.org/stable/c/1c9be13846c0b2abc2480602f8ef421360e1ad9e ↗
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html ↗