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CVE-2017-8086

23
FAUCET Score

CVE-2017-8086 describes a memory leak vulnerability in QEMU's v9fs_list_xattr function, specifically affecting the 9pfs component. This flaw allows a local, privileged guest OS user to trigger a denial of service through excessive memory consumption. With a CVSS score of 6.5 (Medium), the vulnerability requires local access and low privileges, but its impact is high availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.8.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 89th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2017-8086Low

Qemu: 9pfs: host memory leakage via v9pfs_list_xattr

Apr 10, 2017

References

git.qemu.org
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party AdvisoryVDB Entry
lists.debian.org / debian-lts-announce/2018/09/msg00007.html
Mailing ListThird Party Advisory
lists.gnu.org / archive/html/qemu-devel/2017-04/msg01636.html
Mailing ListPatchThird Party Advisory
security.gentoo.org / glsa/201706-03
Third Party Advisory
openwall.com / lists/oss-security/2017/04/25/5
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/98012
Third Party AdvisoryVDB Entry