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CVSS: 7.2EPSS: 0%CPEs: 23EXPL: 1

usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925. a función usb_sg_cancel en el archivo drivers/usb/core/message.c en el kernel de Linux versiones anteriores a la versión 5.6.8, tiene un uso de la memoria previamente liberada porque se produce una transferencia sin una referencia, también se conoce como CID-056ad39ee925. A use-after-free flaw was found in usb_sg_cancel in drivers/usb/core/message.c in the USB core subsystem. This flaw allows a local attacker with a special user or root privileges to crash the system due to a race problem in the scatter-gather cancellation and transfer completion in usb_sg_wait. This vulnerability can also lead to a leak of internal kernel information. • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=056ad39ee9253873522f6469c3364964a322912b https://github.com/torvalds/linux/commit/056ad39ee9253873522f6469c3364964a322912b https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html https://lists.debian.org/debian-lts-a • CWE-416: Use After Free •