Skip to content
CVE Tracker
Back

CVE-2015-0239

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,…

Medium4.4EPSS 0.64%
Published
Updated
Reserved
Assigned by
redhat

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.

Scores

CVSS scores of CVE-2015-0239, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.4AV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS (exploitation in 30 days)
0.64% · top 49% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.

Weakness

Affected products

  • n/a

    • affected n/a

References (18)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .