{"id":"CVE-2014-8480","aliases":["BELL-CVE-2014-8480","EUVD-2014-8317","GHSA-6mgv-w6x6-2c97","UBUNTU-CVE-2014-8480"],"status":"published","title":"The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before...","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.","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0063,"percentile":0.5049,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2014-11-10T11:00:00Z","modified":"2026-06-17T00:16:47Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1156615","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/70710","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2014/10/23/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3f6f1480d86bf9fc16c160d803ab1d006e3058d5","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/3f6f1480d86bf9fc16c160d803ab1d006e3058d5","tags":["x_refsource_CONFIRM","x_transferred","Exploit"]},{"url":"http://thread.gmane.org/gmane.comp.emulators.kvm.devel/128427","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-8480"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3f6f1480d86bf9fc16c160d803ab1d006e3058d5"},{"url":"https://github.com/advisories/GHSA-6mgv-w6x6-2c97"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2014-8480","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2014-8480","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-8480","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2014-8480","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.","status":"published","published":"2014-11-10T11:00:00Z","modified":"2024-08-06T13:18:48.307Z","updated_at":"2026-11-02T14:33:42.882687Z"}],"euvd":[{"id":"EUVD-2014-8317","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.","status":"published","published":"2014-11-10T11:00:00Z","modified":"2024-08-06T13:18:48Z","updated_at":"2026-11-03T01:56:52.024026Z"}],"ghsa":[{"id":"GHSA-6mgv-w6x6-2c97","title":"The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before...","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.","status":"published","published":"2022-05-17T03:45:52Z","modified":"2025-04-12T12:42:47Z","updated_at":"2026-11-02T15:01:19.407948Z"}],"nvd":[{"id":"CVE-2014-8480","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.","status":"published","published":"2014-11-10T11:55:09.72Z","modified":"2026-06-17T00:16:47.163Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:57.304171Z"}],"osv":[{"id":"BELL-CVE-2014-8480","title":"CVE-2014-8480 does not affect BellSoft software","status":"withdrawn","published":"2014-11-10T11:55:00Z","modified":"2026-01-28T07:21:28.440662Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium"}],"updated_at":"2026-11-02T15:28:13.47097Z"},{"id":"UBUNTU-CVE-2014-8480","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.","status":"withdrawn","published":"2014-11-10T11:55:00Z","modified":"2025-07-16T07:32:16.186362Z","updated_at":"2026-11-02T15:54:09.378953Z"}]}}