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medium6.9Public exploit code

CVE-2015-3214

The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.

Affected products

VendorProductAffected versions
QemuQemu
through 2.3.0
LinuxLinux Kernel
through 2.6.32
AristaEos
Versions 4.12, 4.13, 4.14, 4.15
DebianDebian Linux
Versions 7.0, 8.0
LenovoEmc Px12-400r Ivx
before 1.0.10.33264
LenovoEmc Px12-450r Ivx
before 1.0.10.33264
RedhatOpenstack
Versions 5.0, 6.0
RedhatVirtualization
Version 3.0
RedhatEnterprise Linux Compute Node Eus
Versions 7.1, 7.2, 7.3, 7.4, 7.5, 7.6
RedhatEnterprise Linux For Power Big Endian
Version 7.0
RedhatEnterprise Linux For Power Big Endian Eus
Versions 7.1_ppc64, 7.2_ppc64, 7.3_ppc64, 7.4_ppc64, 7.5_ppc64, 7.6_ppc64
RedhatEnterprise Linux For Scientific Computing
Version 7.0

Weakness classification

CWE-119

References