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CVE-2017-2584

18
FAUCET Score

CVE-2017-2584 is a use-after-free vulnerability in the Linux kernel (through version 4.9.3) affecting the arch/x86/kvm/emulate.c component. Local attackers can exploit this flaw via crafted applications leveraging instruction emulation for fxrstor, fxsave, sgdt, and sidt. With a CVSS score of 7.1 (High), successful exploitation could lead to sensitive information disclosure from kernel memory or a denial of service. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.9.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
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 75th percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-693.rt56.617.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-693.el7
View patch

Vendor Advisories (1)

redhatCVE-2017-2584Low

Kernel: kvm: use after free in complete_emulated_mmio

Jan 11, 2017

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/129a72a0d3c8e139a04512325384fe5ac119e74d
usn.ubuntu.com / 3754-1
debian.org / security/2017/dsa-3791
openwall.com / lists/oss-security/2017/01/13/7
securityfocus.com / bid/95430
securitytracker.com / id/1037603