Home/CVE/The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18 uses an improper paravirt_enab
CVE

CVE-2014-8134

The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18 uses an improper paravirt_enab

The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18 uses an improper paravirt_enabled setting for KVM guest kernels, which makes it easier for guest OS users to bypass the ASLR protection mechanism via a crafted application that reads a 16-bit value.

LOW · CVSS 3.3 EPSS 0.00089
Schedule remediation
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
▤

Affected Products & Versions

6
linux kernel<= 3.18
canonical ubuntu linuxall versions
opensuse evergreenall versions
opensuseall versions
suse linux enterprise serverall versions
oracle linuxall versions
⚠

Public Exploits & PoCs

1
pocwww.spinics.net · msg111458.htmlwww.spinics.net
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalLinux Reverse Shell Indicator
producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux
producthighPotentially Suspicious Malware Callback Communication - Linux
producthighLinux Crypto Mining Pool Connections
producthighCommunication To Ngrok Tunneling Service - Linux
producthighLinux Crypto Mining Indicators
▣

Scoring & Timeline

3.3
LOW · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Dec 2014 · 06:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
⚑

Vendor Advisories

15
rhsaRHSA-2016:0855Important
usnUSN-2464-1
usnUSN-2448-1
usnUSN-2447-1
usnUSN-2446-1
🔗

References & Sources

14
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing ListThird Party Advisory
http://people.canonical.com/~ubuntu-security/cve/2014/CVE-2014-8134.htmlPatchThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0855.htmlThird Party Advisory
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