在 2022/1/24 9:03, yiyuchangchun@126.com 写道:
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
stable inclusion form stable-v5.10.85 commit 7193ad3e50e596ac2192531c58ba83b9e6d2444b issue: #I4RVJ4 CVE: CVE-2021-39685
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
Signed-off-by: Yu Changchun <yuchangchun1@huawei.com> --------------------------------
Sometimes USB hosts can ask for buffers that are too large from endpoint 0, which should not be allowed. If this happens for OUT requests, stall the endpoint, but for IN requests, trim the request size to the endpoint buffer size.
Co-developed-by: Szymon Heidrich <szymon.heidrich@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Chen Jun <chenjun102@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Signed-off-by: Yu Changchun <yuchangchun1@huawei.com>
Reviewed-by: Wei Yongjun <weiyongjun1@huawei.com>