medium6.5
CVE-2015-8701
QEMU (aka Quick Emulator) built with the Rocker switch emulation support is vulnerable to an off-by-one error.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | through 2.5.1.1 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.openwall.com/lists/oss-security/2015/12/28/6
- http://www.openwall.com/lists/oss-security/2015/12/29/1
- http://www.securityfocus.com/bid/79706
- https://bugzilla.redhat.com/show_bug.cgi?id=1286971
- https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg04629.html
- https://security.gentoo.org/glsa/201602-01
- http://www.openwall.com/lists/oss-security/2015/12/28/6
- http://www.openwall.com/lists/oss-security/2015/12/29/1
- http://www.securityfocus.com/bid/79706
- https://bugzilla.redhat.com/show_bug.cgi?id=1286971
- https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg04629.html
- https://security.gentoo.org/glsa/201602-01