CVE-2016-8577 : Memory leak in the v9fs_read function in hw/9pfs/9p.c in QEMU (aka Quick Emulato

Memory leak in the v9fs_read function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via vectors related to an I/O read operation.

Published 2016-11-04 21:59:02

Updated 2025-04-12 10:46:41

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2016-8577

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Qemu » Qemu
Versions up to, including, (<=) 2.7.1
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 42.2
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-8577

EPSS FAQ

0.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 27 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-8577

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.0	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H	1.5	4.0	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Changed Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2016-8577

CWE-772 Missing Release of Resource after Effective Lifetime

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-8577

https://security.gentoo.org/glsa/201611-11

QEMU: Multiple vulnerabilities (GLSA 201611-11) — Gentoo security
Third Party Advisory

CVEs referencing this url
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e95c9a493a5a8d6f969e86c9f19f80ffe6587e19

QEMU · GitLab
http://www.openwall.com/lists/oss-security/2016/10/10/7

oss-security - CVE request: Qemu: 9pfs: host memory leakage in v9fs_read
Mailing List;Patch;Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/10/13

oss-security - Re: CVE request: Qemu: 9pfs: host memory leakage in v9fs_read
Mailing List;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

[SECURITY] [DLA 1599-1] qemu security update
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html

openSUSE-SU-2016:3237-1: moderate: Security update for qemu
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/93473

QEMU 'hw/9pfs/9p.c' Denial of Service Vulnerability
Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2016-8577

Products affected by CVE-2016-8577

Exploit prediction scoring system (EPSS) score for CVE-2016-8577

CVSS scores for CVE-2016-8577

CWE ids for CVE-2016-8577

References for CVE-2016-8577