Vulnerability in Linux Kernel
CVE-2014-8480
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.006 (48.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi
- www.securityfocus.com/bid/70710 (vdb-entry)
- www.openwall.com/lists/oss-security/2014/10/23/7 (mailing-list, Exploit)
- git.kernel.org/
- github.com/torvalds/linux/commit/3f6f1480d86bf9fc16c160d803ab1d006e3058d5 (Exploit)
- thread.gmane.org/gmane.comp.emulators.kvm.devel/128427 (mailing-list)