Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-8890

25
FAUCET Score

CVE-2017-8890 is a double free vulnerability in the Linux kernel, specifically within the inet_csk_clone_lock function, affecting versions through 4.10.15 and various Debian distributions. An attacker can trigger this flaw by leveraging the accept system call. With a CVSS score of 7.8 (High), this vulnerability allows a local attacker to cause a denial of service or potentially achieve arbitrary code execution with high impact on confidentiality, integrity, and availability. Despite its severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), it is not listed in CISA's KEV catalog, and it has received no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.89CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.3, < 3.10.106CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.11, < 3.16.44CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.17, < 3.18.56CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.19, < 4.1.42CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.37%
Probability of exploitation in next 30 days
EPSS Percentile
69.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 95th percentile among its peer group of 17,061 CVEs.

Social Chatter

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 (6)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-754.el6
View patch
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
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-1:3.10.0-693.2.1.rt56.585.el6rt
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2017-8890Moderate

kernel: Double free in the inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c

May 9, 2017

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Issue TrackingPatchThird Party Advisory
access.redhat.com / errata/RHSA-2017:1842
Third Party Advisory
access.redhat.com / errata/RHSA-2017:2077
Third Party Advisory
access.redhat.com / errata/RHSA-2017:2669
Third Party Advisory
access.redhat.com / errata/RHSA-2018:1854
Third Party Advisory
github.com / torvalds/linux/commit/657831ffc38e30092a2d5f03d385d710eb88b09a
Issue TrackingPatchThird Party Advisory
source.android.com / security/bulletin/2017-09-01
Third Party Advisory
debian.org / security/2017/dsa-3886
Third Party Advisory
securityfocus.com / bid/98562
Third Party AdvisoryVDB Entry