The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call.
CVE-2017-8890
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EPSS
- 68.8%
- KEV
- Not listed
Published
May 10, 2017
Last Modified
May 13, 2026
References (18)
- cve@mitrehttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=657831ffc38e30092a2d5f03d385d710eb88b09a
- cve@mitrehttp://www.debian.org/security/2017/dsa-3886
- cve@mitrehttp://www.securityfocus.com/bid/98562
- cve@mitrehttps://access.redhat.com/errata/RHSA-2017:1842
- cve@mitrehttps://access.redhat.com/errata/RHSA-2017:2077
- cve@mitrehttps://access.redhat.com/errata/RHSA-2017:2669
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:1854
- cve@mitrehttps://github.com/torvalds/linux/commit/657831ffc38e30092a2d5f03d385d710eb88b09a
- cve@mitrehttps://source.android.com/security/bulletin/2017-09-01
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=657831ffc38e30092a2d5f03d385d710eb88b09a
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2017/dsa-3886
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98562
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:1842
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2077
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2669
Vendor Advisories for CVE-2017-8890(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2018:1854Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2017:2669Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2017:1842Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2017:2077Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update
Patch Availability(11)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-powerpc64-smp (4.8.0.58.71) @ yakkety | 2026-05-22 | ubuntu |
| ubuntu | linux-image-raspi2 (4.10.0.1010.12) @ zesty | 2026-05-22 | ubuntu |
| ubuntu | linux-image-3.13.0-123-generic-lpae (3.13.0-123.172~precise1) @ precise | 2026-05-22 | ubuntu |
| ubuntu | linux-image-extra-3.13.0-123-generic (3.13.0-123.172) @ trusty | 2026-05-22 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-83-generic (4.4.0-83.106~14.04.1) @ trusty | 2026-05-22 | ubuntu |
| ubuntu | linux-image-extra-4.8.0-58-generic (4.8.0-58.63~16.04.1) @ xenial | 2026-05-22 | ubuntu |
| ubuntu | linux-image-extra-4.4.0-83-generic (4.4.0-83.106) @ xenial | 2026-05-22 | ubuntu |
| redhat | kernel-0:2.6.32-754.el6 | 2018-06-19 | redhat |
| redhat | kernel-rt-1:3.10.0-693.2.1.rt56.585.el6rt | 2017-09-06 | redhat |
| redhat | kernel-rt-0:3.10.0-693.rt56.617.el7 | 2017-08-01 | redhat |
| redhat | kernel-0:3.10.0-693.el7 | 2017-08-01 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Additional Vendor Advisories
(7)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- UbuntuUSN-3342-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3342-2MEDIUM
Linux kernel (HWE) vulnerabilities
- UbuntuUSN-3343-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3343-2MEDIUM
Linux kernel (Trusty HWE) vulnerabilities
- UbuntuUSN-3344-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-3344-2MEDIUM
Linux kernel (Xenial HWE) vulnerabilities
- UbuntuUSN-3345-1MEDIUM
Linux kernel vulnerabilities
Data Freshness Timeline
(refreshed 11× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 115 total refreshes for this CVE.
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-11 23:22 UTCOSV refresh
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:11 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
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- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 06:00 UTCOSV refresh
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 03:52 UTCOSV refresh
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 13:31 UTCEG score recompute
- 2026-05-22 13:31 UTCVendor advisory
- 2026-05-22 13:30 UTCGHSA enrichment
- 2026-05-21 22:40 UTCEPSS rescore
- 2026-05-21 22:40 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
Publicly available exploits
(2 references)Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Open source ↗GitHub PoCthinkycx/CVE-2017-8890First seen Jul 2, 2018
- GitHub PoCberaphin/CVE-2017-8890First seen Jul 9, 2017
None
Open source ↗
Related CVEs(same vendor)
Frequently asked(5)
What is CVE-2017-8890?
When was CVE-2017-8890 disclosed?
Is CVE-2017-8890 actively exploited?
What is the CVSS score of CVE-2017-8890?
How do I remediate CVE-2017-8890?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-8890
Is Your Infrastructure Affected by CVE-2017-8890?
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