VulnerabilityModified
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.
MEDIUM 6.5EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.39% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-331
- Affected
- qemu/qemu · canonical/ubuntu linux · debian/debian linux
- Source
- secalert@redhat.com
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956
- http://www.openwall.com/lists/oss-security/2016/03/04/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/07/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/84134Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1314676Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201604-01Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956
- http://www.openwall.com/lists/oss-security/2016/03/04/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/07/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/84134Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1314676Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201604-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.