Description
arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
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.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 ↗
- http://www.openwall.com/lists/oss-security/2016/12/01/1 ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c ↗
- http://www.securityfocus.com/bid/94615 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1400468 ↗
- http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html ↗
- https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c ↗