CVE-2016-2841

Severity: medium (CVSS 6.0 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-06-16 · updated 2026-06-17
Weakness: CWE-20

Description

The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.10, 16.04
QEMU: through 2.5.0

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=415ab35a441eca767d033a2702223e785b9d5190
http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html
http://www.openwall.com/lists/oss-security/2016/03/02/8
http://www.securityfocus.com/bid/84028
http://www.ubuntu.com/usn/USN-2974-1
https://bugzilla.redhat.com/show_bug.cgi?id=1303106
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html
https://security.gentoo.org/glsa/201609-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=415ab35a441eca767d033a2702223e785b9d5190
http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html
http://www.openwall.com/lists/oss-security/2016/03/02/8

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