CVE-2017-8824

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
7.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Exploit-DB (verified), public exploit)
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.8Exploit: Exploit-DB (verified) · public exploitExposed: 0

A fix is available — apply it.

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
66(Track)
EG Risk 66/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
69%
KEV
Not listed

Published

December 5, 2017

Last Modified

June 17, 2026

References (48)

Vendor Advisories for CVE-2017-8824(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatkernel-0:2.6.18-436.el52018-12-13redhat
redhatkernel-0:2.6.32-696.28.1.el62018-05-08redhat
redhatkernel-0:3.10.0-327.66.1.el72018-04-24redhat
redhatkernel-0:3.10.0-693.25.2.el72018-04-17redhat
redhatkernel-rt-1:3.10.0-693.25.2.rt56.612.el6rt2018-04-17redhat
redhatkernel-rt-0:3.10.0-862.rt56.804.el72018-04-10redhat
redhatkernel-0:3.10.0-862.el72018-04-10redhat
redhatkernel-0:3.10.0-514.44.1.el72018-03-06redhat

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.

Affected Packages

(7 across 7 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux—4.14.7-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—4.14.7-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—4.14.7-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—4.14.7-1—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
linux3.2.41-2 ... 3.2.93-1 (68 versions)3.2.96-1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
linux3.16.36-1 ... 3.16.7-ckt9-3~deb8u1~bpo70+1 (55 versions)3.16.51-3+deb8u1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
linux4.9.30-2 ... 4.9.65-3~bpo8+1 (16 versions)4.9.65-3+deb9u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

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.

Data Freshness Timeline

(refreshed 4× in last 7d / 23× 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 142 total refreshes for this CVE.

  1. 2026-08-25 13:44 UTCEPSS rescore
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  1. 2026-07-23 14:15 UTCEPSS rescore
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  22. 2026-07-11 14:22 UTCOSV refresh
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  45. 2026-06-23 21:30 UTCEPSS rescore
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  47. 2026-06-22 21:05 UTCOSV refresh
  48. 2026-06-22 14:23 UTCEPSS rescore
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-43234✓ verified
    First seen Dec 7, 2017

    Linux Kernel 4.10.5 / < 4.14.3 (Ubuntu) - DCCP Socket Use-After-Free

    Open source ↗

Frequently asked(5)

What is CVE-2017-8824?
CVE-2017-8824 is a high vulnerability published on December 5, 2017. The dccpdisconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AFUNSPEC connect system call during the DCCP_LISTEN state.
When was CVE-2017-8824 disclosed?
CVE-2017-8824 was first published in the National Vulnerability Database on December 5, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8824 actively exploited?
CVE-2017-8824 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 30.8% of all scored CVEs.
What is the CVSS score of CVE-2017-8824?
CVE-2017-8824 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2017-8824?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-8824, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-8824

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