CVE-2015-8743
Qemu: net: ne2000: OOB memory access in ioport r/w functions
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 30, 2015
Updated · June 27, 2026
Description
An out-of-bounds read-write access flaw was found in the QEMU emulator built with NE2000-device emulation support. The flaw occurred while performing 'ioport' read-write operations. A privileged (CAP_SYS_RAWIO) user or process could exploit the flaw to leak or corrupt QEMU memory bytes.
Statement
This issue affects the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.
This issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6, and the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.
This issue does not affect the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 7.
This issue does not affect the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.
This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 3.8AV:A/AC:M/Au:S/C:P/I:P/A:N
CWE-787 · Out-of-bounds Write