CVE-2014-8480 | BDVDB-2026-66111 Detail
Description#
The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 lacks intended decoder-table flags for certain RIP-relative instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://bugzilla.redhat.com/show_bug.cgi?id=1156615
- http://www.securityfocus.com/bid/70710
- http://www.openwall.com/lists/oss-security/2014/10/23/7
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3f6f1480d86bf9fc16c160d803ab1d006e3058d5
- https://github.com/torvalds/linux/commit/3f6f1480d86bf9fc16c160d803ab1d006e3058d5
- http://thread.gmane.org/gmane.comp.emulators.kvm.devel/128427
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.