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CVE-2015-0239
Published: Mar 2, 2015
Modified: Aug 6, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
USN-2515-1
vendor-advisory
x_refsource_UBUNTU
DSA-3170
vendor-advisory
x_refsource_DEBIAN
72842
vdb-entry
x_refsource_BID
[oss-security] 20150127 KVM SYSENTER emulation vulnerability - CVE-2015-0239
mailing-list
x_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1186448
x_refsource_CONFIRM
USN-2514-1
vendor-advisory
x_refsource_UBUNTU
USN-2518-1
vendor-advisory
x_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
x_refsource_CONFIRM
MDVSA-2015:058
vendor-advisory
x_refsource_MANDRIVA
[bk-commits-head] 20150123 KVM: x86: SYSENTER emulation is broken
mailing-list
x_refsource_MLIST
USN-2517-1
vendor-advisory
x_refsource_UBUNTU
USN-2516-1
vendor-advisory
x_refsource_UBUNTU
RHSA-2015:1272
vendor-advisory
x_refsource_REDHAT
USN-2513-1
vendor-advisory
x_refsource_UBUNTU
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