Published: 10/11/2014 Updated: 07/11/2023

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

VMScore: 437

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel prior to 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.

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linux linux kernel

The instruction decoder in arch/x86/kvm/emulatec in the KVM subsystem in the Linux kernel before 318-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 ...

CWE-399 https://bugzilla.redhat.com/show_bug.cgi?id=1156615 https://github.com/torvalds/linux/commit/3f6f1480d86bf9fc16c160d803ab1d006e3058d5 http://thread.gmane.org/gmane.comp.emulators.kvm.devel/128427 http://www.openwall.com/lists/oss-security/2014/10/23/7 http://www.securityfocus.com/bid/70710 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3f6f1480d86bf9fc16c160d803ab1d006e3058d5 https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2014-8480

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CVE-2014-8480

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