[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-Id: <20160303003927.2F2A072E03C@smtpvbsrv1.mitre.org>
Date: Wed, 2 Mar 2016 19:39:27 -0500 (EST)
From: cve-assign@...re.org
To: ppandit@...hat.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com, yanghongke@...wei.com
Subject: Re: CVE request Qemu: net: ne2000: infinite loop in ne2000_receive
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
> Qemu emulator built with the NE2000 NIC emulation support is vulnerable to an
> infinite loop issue. It could occur when receiving packets over the network. A
> privileged user inside guest could use this flaw to crash the Qemu instance
> resulting in DoS.
>
> https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html
> https://bugzilla.redhat.com/show_bug.cgi?id=1303106
>> Ne2000 NIC uses ring buffer of NE2000_MEM_SIZE(49152) bytes to process
>> network packets. Registers PSTART & PSTOP define ring buffer size &
>> location. Setting these registers to invalid values could lead to
>> infinite loop or OOB r/w access issues. Add check to avoid it.
Use CVE-2016-2841.
This is not yet available at
http://git.qemu.org/?p=qemu.git;a=history;f=hw/net/ne2000.c but
that may be an expected place for a later update.
- --
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
iQIcBAEBCAAGBQJW14dFAAoJEL54rhJi8gl5IDMP/2U7nLNi4eNJn3ybPDVTjNWn
ge3Y7dcPNs+PwEFNWXbyREH+uyflE1Af3SB03lVsrGcBEhFW/RsfpkAUYqfeYtku
XtAzLVmO/qvhNdxtfN2GJVlPhIekaWZxxR9kk0nRN5S/fDQg6Mw1LADahoGL5pMx
eOXnN/GfVkMG16Ee9uit7v5yDuC4kDT3Mg/0ORk9E5mw+rUKH1XvH1+FpPcRg6cF
m4oDxjnwXM35EVcapHJzXbYQZP9Cqo7I+vmNW9QgjDZ5yIiDeQhxOfHv81BTChMD
KRwuqnVq8nKOSQQFaxTtdrUkXBVKNXNG5T5XnbyllacYkq5COolY+jOIjadZkyaL
dDPDuG/HL357ZG4mJFkfzPD1EBoRRUnTvVbCPRCjxslHg8OTD9OYq3oc52R8K+co
WUL5fd6HzDPSHnkwuHhCPK15NbXgOui/s+vwcpDikFEx8luizkRWO3OnB2l/FG/0
jdEHLwIoHArxzILYpcYMEs2OeLTWLePOzhRo9N+/kh4X0q4bPTlaoloSmQgHtb11
IbnR4KboFKyD4zafLuU47cT5deQO42Jzi2hXRtMB32pLcZ2ZpDWf7t8GLsMxntfr
HJqLoWUVu5RNNQ0mibrlQYGCHYwX21YWW6Kk9au95tLO+csiWb4tb1Cjvp6QbR9m
GyaKy3pAUaLKO2DlifON
=pz1l
-----END PGP SIGNATURE-----
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
