4.4

CVE-2016-7421

EPSS 0.12%
Published 10.12.2016 00:59:17
Last modified 12.04.2025 10:46:40
Source secalert@redhat.com
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The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.

Affected products Warnungen 0 Metrics 3 CWE 1 References 10

Data is provided by the National Vulnerability Database (NVD)

Qemu ≫ Qemu Version <= 2.7.1

Debian ≫ Debian Linux Version8.0

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.12%	0.31

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	4.4	0.8	3.6	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov	2.1	3.9	2.9	AV:L/AC:L/Au:N/C:N/I:N/A:P

CWE-834 Excessive Iteration

The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

Third Party Advisory

Mailing List

https://security.gentoo.org/glsa/201609-01

Third Party Advisory

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9

http://www.openwall.com/lists/oss-security/2016/09/16/3

Third Party Advisory

Mailing List

http://www.openwall.com/lists/oss-security/2016/09/16/9

Third Party Advisory

Mailing List

http://www.securityfocus.com/bid/92998

Third Party Advisory

VDB Entry

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html

Patch

Third Party Advisory

https://nvd.nist.gov/vuln/detail/CVE-2016-7421

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2016-7421

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2016-7421

EUVD