Description
arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt.
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
- http://www.securityfocus.com/bid/95430 ↗
- http://www.securitytracker.com/id/1037603 ↗
- https://usn.ubuntu.com/3754-1/ ↗
- https://github.com/torvalds/linux/commit/129a72a0d3c8e139a04512325384fe5ac119e74d ↗
- http://www.debian.org/security/2017/dsa-3791 ↗
- http://www.openwall.com/lists/oss-security/2017/01/13/7 ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74d ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1413001 ↗