发布于3月6日3月6日 Members Ubuntu: (CVE-2021-47404): linux vulnerability Severity 7 CVSS (AV:L/AC:L/Au:S/C:C/I:C/A:C) Published 05/21/2024 Created 11/21/2024 Added 11/19/2024 Modified 02/11/2025 Description In the Linux kernel, the following vulnerability has been resolved: HID: betop: fix slab-out-of-bounds Write in betop_probe Syzbot reported slab-out-of-bounds Write bug in hid-betopff driver. The problem is the driver assumes the device must have an input report but some malicious devices violate this assumption. So this patch checks hid_device's input is non empty before it's been used. Solution(s) ubuntu-upgrade-linux ubuntu-upgrade-linux-aws ubuntu-upgrade-linux-aws-5-4 ubuntu-upgrade-linux-aws-fips ubuntu-upgrade-linux-aws-hwe ubuntu-upgrade-linux-azure ubuntu-upgrade-linux-azure-4-15 ubuntu-upgrade-linux-azure-5-4 ubuntu-upgrade-linux-azure-fips ubuntu-upgrade-linux-bluefield ubuntu-upgrade-linux-fips ubuntu-upgrade-linux-gcp ubuntu-upgrade-linux-gcp-4-15 ubuntu-upgrade-linux-gcp-5-4 ubuntu-upgrade-linux-gcp-fips ubuntu-upgrade-linux-gkeop ubuntu-upgrade-linux-hwe ubuntu-upgrade-linux-hwe-5-4 ubuntu-upgrade-linux-ibm ubuntu-upgrade-linux-kvm ubuntu-upgrade-linux-oracle ubuntu-upgrade-linux-oracle-5-4 ubuntu-upgrade-linux-raspi ubuntu-upgrade-linux-raspi-5-4 References https://attackerkb.com/topics/cve-2021-47404 CVE - 2021-47404 https://git.kernel.org/linus/1e4ce418b1cb1a810256b5fb3fd33d22d1325993 https://git.kernel.org/stable/c/1c83c38dec83d57bc18d0c01d82c413d3b34ccb9 https://git.kernel.org/stable/c/1e4ce418b1cb1a810256b5fb3fd33d22d1325993 https://git.kernel.org/stable/c/6fc4476dda58f6c00097c7ddec3b772513f57525 https://git.kernel.org/stable/c/708107b80aa616976d1c5fa60ac0c1390749db5e https://git.kernel.org/stable/c/a4faa7153b87fbcfe4be15f4278676f79ca6e019 https://git.kernel.org/stable/c/bb8b72374db69afa25a5b65cf1c092860c6fe914 https://git.kernel.org/stable/c/dedfc35a2de2bae9fa3da8210a05bfd515f83fee https://git.kernel.org/stable/c/fe9bb925e7096509711660d39c0493a1546e9550 https://www.cve.org/CVERecord?id=CVE-2021-47404 View more