CVE-2024-26715
Vulnerability from cvelistv5
Published
2024-04-03 14:55
Modified
2024-11-05 09:14
Severity ?
Summary
usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/36695d5eeeefe5a64b47d0336e7c8fc144e78182
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/57e2e42ccd3cd6183228269715ed032f44536751
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/61a348857e869432e6a920ad8ea9132e8d44c316
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/88936ceab6b426f1312327e9ef849c215c6007a7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c7ebd8149ee519d27232e6e4940e9c02071b568b
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend\n\nIn current scenario if Plug-out and Plug-In performed continuously\nthere could be a chance while checking for dwc-\u003egadget_driver in\ndwc3_gadget_suspend, a NULL pointer dereference may occur.\n\nCall Stack:\n\n\tCPU1:                           CPU2:\n\tgadget_unbind_driver            dwc3_suspend_common\n\tdwc3_gadget_stop                dwc3_gadget_suspend\n                                        dwc3_disconnect_gadget\n\nCPU1 basically clears the variable and CPU2 checks the variable.\nConsider CPU1 is running and right before gadget_driver is cleared\nand in parallel CPU2 executes dwc3_gadget_suspend where it finds\ndwc-\u003egadget_driver which is not NULL and resumes execution and then\nCPU1 completes execution. CPU2 executes dwc3_disconnect_gadget where\nit checks dwc-\u003egadget_driver is already NULL because of which the\nNULL pointer deference occur."
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    "dateReserved": "2024-02-19T14:20:24.160Z",
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