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Unrated severityNVD Advisory· Published Mar 2, 2015· Updated Jun 17, 2026

CVE-2015-0239

CVE-2015-0239

Description

The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

12
  • Canonical/Ubuntu Linux3 versions
    cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*+ 2 more
    • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
    • cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
  • Debian/linux2 versions
    cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
    • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • Linux/Kernel2 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <3.18.5
    • (no CPE)range: <3.18.5
  • Oracle Corporation/Linux2 versions
    cpe:2.3:o:oracle:linux:5:-:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:oracle:linux:5:-:*:*:*:*:*:*
    • cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*
  • Red Hat/Enterprise Linux Desktop
    cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
  • Red Hat/Enterprise Linux Server
    cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
  • Red Hat/Enterprise Linux Workstation
    cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

18

News mentions

0

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