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, 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.

CVSS v2.0

4.4 MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS

0.64% chance of exploitation in the next 30 days, 48th percentile

Published

2015-03-02

Updated

2024-08-06

Proof-of-concept exploits (1)

• http://www.openwall.com/lists/oss-security/2015/01/27/6

References

• CVE Record
• NVD entry

Related

• CVE-2015-0235
• CVE-2015-0240
• CVE-2015-0231
• CVE-2015-0252
• CVE-2015-0205
• CVE-2015-0258