Description
The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://usn.ubuntu.com/3879-2/ ↗
- https://usn.ubuntu.com/3872-1/ ↗
- https://usn.ubuntu.com/3878-1/ ↗
- https://usn.ubuntu.com/3879-1/ ↗
- https://usn.ubuntu.com/3871-5/ ↗
- https://usn.ubuntu.com/3878-2/ ↗
- https://usn.ubuntu.com/3871-4/ ↗
- http://www.securityfocus.com/bid/105987 ↗
- https://usn.ubuntu.com/3871-1/ ↗
- https://usn.ubuntu.com/3871-3/ ↗
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html ↗
- https://lkml.org/lkml/2018/11/20/580 ↗