CVE-2026-31755
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in ep_queue When the gadget endpoint is disabled or not yet configured, the ep->desc pointer can be NULL. This leads to a NULL pointer dereference when __cdns3_gadget_ep_queue() is called, causing a kernel crash. Add a check to return -ESHUTDOWN if ep->desc is NULL, which is the standard return code for unconfigured endpoints. This prevents potential crashes when ep_queue is called on endpoints that are not ready.
Слабость
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in ep_queue When the gadget endpoint is disabled or not yet configured, the ep->desc pointer can be NULL. This leads to a NULL pointer dereference when __cdns3_gadget_ep_queue() is called, causing a kernel crash. Add a check to return -ESHUTDOWN if ep->desc is NULL, which is the standard return code for unconfigured endpoints. This prevents potential crashes when ep_queue is called on endpoints that are not ready.
Затронутые продукты
- linux linux_kernel
Источники
- https://git.kernel.org/stable/c/14bf08ab2cdfcdfd3f13e799d06692a1b3e0745f
- https://git.kernel.org/stable/c/390536cc6af4ca5566bc3bf1f8b704700380cd2c
- https://git.kernel.org/stable/c/3cf0580a09d417eab41ce914a11f9cde3a121871
- https://git.kernel.org/stable/c/3d1433fe34b224b90259e207e5389e95b504ef04
- https://git.kernel.org/stable/c/7f6f127b9bc34bed35f56faf7ecb1561d6b39000
- https://git.kernel.org/stable/c/9ab9b0e5fcdac325f950fc8b6caa08a9e22a0db9
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