CVE-2014-7842
Summary
| CVE | CVE-2014-7842 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2014-11-30 01:59:04 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:L/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | 3.0 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc5 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc6 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc7 | All | All |
| Operating System | Linux | Linux Kernel | 3.0.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.14 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.15 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.16 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.17 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.18 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.19 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.20 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.21 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.22 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.23 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.24 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.25 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.26 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.27 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.28 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.29 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.30 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.31 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.32 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.33 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.34 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.35 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.36 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.37 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.38 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.39 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.40 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.41 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.42 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.43 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.44 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.45 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.46 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.47 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.48 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.49 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.50 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.51 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.52 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.53 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.54 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.55 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.56 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.57 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.58 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.59 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.60 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.61 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.62 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.63 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.64 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.65 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.66 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.67 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.68 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 3.1 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 3.1 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 3.1 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 3.1.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.1.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.0 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.14 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.15 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.16 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.17 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.18 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.19 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.20 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.21 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.22 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.23 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.24 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.25 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.26 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.27 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.28 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.29 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.10.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.11.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.14 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.15 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.16 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.17 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.12.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.13.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | - | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc5 | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc6 | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc7 | All | All |
| Operating System | Linux | Linux Kernel | 3.14 | rc8 | All | All |
| Operating System | Linux | Linux Kernel | 3.14.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.14.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.14.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.14.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.14.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.15.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.16.0 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.16.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.17 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.17.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.17.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 3.2 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 3.2 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - CVE-2014-7842 Linux kernel: kvm: reporting emulation failures to userspace | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| Security Advisory SA62336 - Ubuntu update for kernel - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| [security-announce] SUSE-SU-2015:0736-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | |
| [security-announce] SUSE-SU-2015:0652-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4 | af854a3a-2127-422b-91ae-364da2661108 | www.kernel.org | Vendor Advisory |
| [security-announce] SUSE-SU-2015:0481-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Linux Kernel KVM CVE-2014-7842 Local Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| [security-announce] openSUSE-SU-2015:0566-1: important: kernel update fo | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Oracle Linux Bulletin - January 2016 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| Security Advisory SA62305 - Ubuntu update for kernel - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| Security Advisory SA62326 - Ubuntu update for kernel - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Oracle Linux Bulletin - October 2015 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| Oracle Linux Bulletin - April 2016 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| KVM: x86: Don't report guest userspace emulation error to userspace · torvalds/linux@a2b9e6c · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Vendor Advisory |
| Bug 1163762 – CVE-2010-5313 CVE-2014-7842 kernel: kvm: reporting emulation failures to userspace | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Vendor Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | MITRE | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.