An issue was discovered in drivers/xen/balloon.c in the Linux kernel before 5.2.3, as used in Xen through 4.12.x, allowing guest OS users to cause a denial of service because of unrestricted resource consumption during the mapping of guest memory, aka CID-6ef36ab967c7.
| Software | From | Fixed in |
|---|---|---|
| xen / xen | - | 4.12.1.x |
| linux / linux_kernel | - | 5.2.3 |