Medium severity · published Apr 7, 2016
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,…
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
QE
Qemu · Qemu
through 2.5.1.1 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 15.10; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2858
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2858
git.qemu.org
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956
Mailing List
http://www.openwall.com/lists/oss-security/2016/03/04/1
Mailing List
http://www.openwall.com/lists/oss-security/2016/03/07/4
Third Party Advisory
http://www.securityfocus.com/bid/84134
Third Party Advisory
http://www.ubuntu.com/usn/USN-2974-1
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1314676
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