The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator)...
Vulnerability Description
The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2016/10/03/1
- https://security.gentoo.org/glsa/201611-11
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg05556.html
- http://www.securityfocus.com/bid/93274
- http://www.openwall.com/lists/oss-security/2016/10/03/4
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.