An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in do_div, used indirectly by ctrl_cdev_ioctl, when mtd-greater than erasesize is 0. A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. ipv4: fix null-deref in ipv4_link_failureNOTE: https://www.openwall.com/lists/oss-security/2023/10/02/8NOTE: https://git.kernel.org/linus/0113d9c9d1ccc07f5a3710dac4aa24b6d711278c