Vulnerability Monitor

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CVE-2016-2858

QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.

Published

2016-04-07T19:59:03.483

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.4

Impact Score

2.9

Weaknesses

Type: Primary
CWE-331

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 2.5.1.1	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956 ([email protected])
http://www.openwall.com/lists/oss-security/2016/03/04/1 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/03/07/4 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/84134 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2974-1 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1314676 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201604-01 Third Party Advisory ([email protected])
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/03/04/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/03/07/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/84134 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2974-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1314676 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201604-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)