CVE-2023-1513 Information

Description

A flaw was found in KVM. When calling the KVM_GET_DEBUGREGS ioctl on 32-bit systems there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace causing an information leak.

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2179892 https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952 https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh@linuxfoundation.org/