CVE-2024-26747 | 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
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.
- 🔗 git.kernel.org/stable/c/e279bf8e51893e1fe160b3d8126ef2dd…
- 🔗 git.kernel.org/stable/c/ef982fc41055fcebb361a92288d32257…
- 🔗 git.kernel.org/stable/c/0158216805ca7e498d07de38840d2732…
- 🔗 git.kernel.org/stable/c/4b45829440b1b208948b39cc71f77a37…
- 🔗 git.kernel.org/stable/c/01f82de440f2ab07c259b7573371e1c4…
- 🔗 git.kernel.org/stable/c/1c9be13846c0b2abc2480602f8ef4213…
- 🔗 lists.debian.org/debian-lts-announce/2024/06/msg00017.html
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CVE-2024-26747 | 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
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
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