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CVE-2017-17741

22
FAUCET Score

CVE-2017-17741 is a stack-based out-of-bounds read vulnerability in the KVM implementation of the Linux kernel, affecting versions up to 4.14.7, including Debian distributions. This flaw allows a local attacker to potentially read sensitive information from kernel memory. With a CVSS score of 6.5 (Medium), it requires local access and low privileges, but can lead to high confidentiality impact. Currently, there is no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage, suggesting a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.14.7CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.0
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 91st percentile among its peer group of 15,940 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

Vendor Patches (4)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2017-17741Low

kernel: kvm: stack-based out-of-bounds read via vmcall instruction

Dec 11, 2017

References

lists.debian.org / debian-lts-announce/2018/01/msg00004.html
usn.ubuntu.com / 3617-1
usn.ubuntu.com / 3617-2
usn.ubuntu.com / 3617-3
usn.ubuntu.com / 3619-1
usn.ubuntu.com / 3619-2
usn.ubuntu.com / 3620-1
usn.ubuntu.com / 3620-2
usn.ubuntu.com / 3632-1
debian.org / security/2017/dsa-4073
Issue TrackingThird Party Advisory
debian.org / security/2018/dsa-4082
spinics.net / lists/kvm/msg160796.html
Issue TrackingPatchThird Party Advisory
securityfocus.com / bid/102227