CVE details
CVE-2016-7907
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.
Affected ports (1)
| Port | Package | Version | Status | Maintainer |
|---|---|---|---|---|
| emulators/qemu-cheri | qemu-cheri | 0.d20260108 | unaddressed | brooks@FreeBSD.org |
Template for a VuXML entry
Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.
<vuln vid="FIXME (make newentry)">
<topic>FIXME -- FIXME</topic>
<affects>
<package>
<name>qemu-cheri</name>
<range><lt>FIXME</lt></range>
</package>
</affects>
<description>
<body xmlns="http://www.w3.org/1999/xhtml">
<p>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.</p>
</body>
</description>
<references>
<cvename>CVE-2016-7907</cvename>
<url>https://nvd.nist.gov/vuln/detail/CVE-2016-7907</url>
</references>
<dates>
<discovery>2016-10-05</discovery>
<entry>2026-10-25</entry>
</dates>
</vuln>