The vulnerability of the `privcmd_ioctl_mmap_resource()` function in the `drivers/xen/privcmd.c` driver for kernel memory buffer devices in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the privcmdioctlmmapresource function in the drivers/xen/privcmd.c driver for kernel memory buffer devices in the Linux operating system is related to the distribution of resources without any restrictions or regulation. Exploiting this vulnerability could allow a attacker to...

CVE-2022-50575: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled data, if user tries to allocate memory larger than= MAXORDER, then kcalloc will fail, it creates a stack trace and messes up dmesg...