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CVE-2015-8701

CVE-2015-8701

EPSS 0.4%
QEMU (aka Quick Emulator) built with the Rocker switch emulation support is vulnerable to an off-by-one error. It happens while processing transmit (tx) descriptors in 'tx_consume' routine, if a descriptor was to have more than allowed (ROCKER_TX_FRAGS_MAX=16) fragments. A privileged user inside guest could use this flaw to cause memory leakage on the host or crash the QEMU process instance resulting in DoS issue.
Affected products
n/a · n/a

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References
https://bugzilla.redhat.com/show_bug.cgi?id=1286971https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg04629.htmlhttps://security.gentoo.org/glsa/201602-01http://www.openwall.com/lists/oss-security/2015/12/28/6http://www.openwall.com/lists/oss-security/2015/12/29/1http://www.securityfocus.com/bid/79706