The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-5165
• https://www.arista.com/en/support/advisories-notices/security-advisories/1180-security-advisory-13
• http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html
• http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00018.html
• http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html
• http://rhn.redhat.com/errata/RHSA-2015-1674.html
• http://rhn.redhat.com/errata/RHSA-2015-1683.html
• http://rhn.redhat.com/errata/RHSA-2015-1739.html
• http://rhn.redhat.com/errata/RHSA-2015-1740.html
• http://rhn.redhat.com/errata/RHSA-2015-1793.html
• http://rhn.redhat.com/errata/RHSA-2015-1833.html
• http://support.citrix.com/article/CTX201717
• http://www.debian.org/security/2015/dsa-3348
• http://www.debian.org/security/2015/dsa-3349
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
• http://www.securityfocus.com/bid/76153
• http://www.securitytracker.com/id/1033176
• http://xenbits.xen.org/xsa/advisory-140.html
• https://access.redhat.com/errata/RHSA-2015:1674
• https://access.redhat.com/errata/RHSA-2015:1683
• https://access.redhat.com/errata/RHSA-2015:1718
• https://access.redhat.com/errata/RHSA-2015:1739
• https://access.redhat.com/errata/RHSA-2015:1740
• https://access.redhat.com/errata/RHSA-2015:1793
• https://access.redhat.com/errata/RHSA-2015:1833
• https://access.redhat.com/security/cve/CVE-2015-5165
• https://bugzilla.redhat.com/show_bug.cgi?id=1248760