CVE-2017-7472

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2.3%CVSS: 5.5Exploit: Exploit-DB (verified) · public exploitExposed services: Not assessed

A fix is available — apply it.

The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
55
EG Risk 55/100CISA SSVC

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
Severity55% × 45%
Exploitation65% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
2.3%
EPSS %ILE
82nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

May 11, 2017

Last Modified

June 17, 2026

References (30)

Patch Availability(9)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntulinux-image-raspi2 (4.10.0.1006.8) @ zesty2026-05-22ubuntu
ubuntulinux-image-extra-4.10.0-27-generic (4.10.0-27.30~16.04.2) @ xenial2026-05-22ubuntu
ubuntulinux-image-extra-4.4.0-79-generic (4.4.0-79.100~14.04.1) @ trusty2026-05-22ubuntu
ubuntulinux-image-extra-3.13.0-132-generic (3.13.0-132.181) @ trusty2026-05-22ubuntu
ubuntulinux-image-extra-4.4.0-79-generic (4.4.0-79.100) @ xenial2026-05-22ubuntu
ubuntulinux-image-3.13.0-132-generic-lpae (3.13.0-132.181~precise1) @ precise2026-05-22ubuntu
redhatkernel-0:3.10.0-693.17.1.el72018-01-25redhat
redhatkernel-rt-1:3.10.0-693.17.1.rt56.604.el6rt2018-01-25redhat
redhatkernel-rt-0:3.10.0-693.17.1.rt56.636.el72018-01-25redhat

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

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 4.9.25-1: fixed in 4.9.25-1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 4.9.25-1: fixed in 4.9.25-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 4.9.25-1: fixed in 4.9.25-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 4.9.25-1: fixed in 4.9.25-1
—
Debian:7(1)
PackageVulnerable rangeFix by version rangeDependents
linux3.2.41-2 ... 3.2.86-1 (64 versions)
  • every version up to 3.2.88-1: fixed in 3.2.88-1
—

Weakness Classification(1)

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

All Vendor Advisories

(9)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 28× 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 190 total refreshes for this CVE.

  1. 2026-10-09 20:02 UTCEPSS rescore
  2. 2026-10-08 16:36 UTCEPSS rescore
  3. 2026-10-08 05:24 UTCOSV refresh
  4. 2026-10-07 23:41 UTCEPSS rescore
  5. 2026-10-06 15:12 UTCEPSS rescore
  6. 2026-10-05 17:39 UTCEPSS rescore
  7. 2026-10-04 23:18 UTCEPSS rescore
  8. 2026-10-03 14:21 UTCEPSS rescore
  9. 2026-10-03 14:21 UTCEPSS rescore
  10. 2026-09-30 14:59 UTCEPSS rescore
  11. 2026-09-30 09:40 UTCEG score recompute
  12. 2026-09-28 13:45 UTCEPSS rescore
  13. 2026-09-27 13:40 UTCEPSS rescore
  14. 2026-09-27 13:40 UTCEPSS rescore
  15. 2026-09-26 15:53 UTCEPSS rescore
  16. 2026-09-26 00:19 UTCEPSS rescore
  17. 2026-09-24 13:59 UTCEPSS rescore
  18. 2026-09-23 13:42 UTCEPSS rescore
  19. 2026-09-21 20:27 UTCEPSS rescore
  20. 2026-09-20 20:09 UTCEPSS rescore
  21. 2026-09-19 15:36 UTCEPSS rescore
  22. 2026-09-18 11:20 UTCOSV refresh
  23. 2026-09-17 19:22 UTCEPSS rescore
  24. 2026-09-17 19:22 UTCEPSS rescore
  25. 2026-09-15 03:05 UTCEPSS rescore
Show 75 more
  1. 2026-09-13 16:42 UTCEPSS rescore
  2. 2026-09-12 14:56 UTCEPSS rescore
  3. 2026-09-11 09:31 UTCEPSS rescore
  4. 2026-09-07 15:56 UTCEPSS rescore
  5. 2026-09-05 15:24 UTCEPSS rescore
  6. 2026-09-04 13:56 UTCEPSS rescore
  7. 2026-09-04 05:02 UTCEPSS rescore
  8. 2026-09-02 14:07 UTCEPSS rescore
  9. 2026-09-02 14:07 UTCEPSS rescore
  10. 2026-09-01 03:31 UTCEPSS rescore
  11. 2026-08-30 19:13 UTCEPSS rescore
  12. 2026-08-30 12:16 UTCOSV refresh
  13. 2026-08-28 21:36 UTCEPSS rescore
  14. 2026-08-27 14:21 UTCEPSS rescore
  15. 2026-08-26 14:41 UTCEPSS rescore
  16. 2026-08-25 13:44 UTCEPSS rescore
  17. 2026-08-23 00:14 UTCEPSS rescore
  18. 2026-08-21 23:44 UTCEPSS rescore
  19. 2026-08-19 16:59 UTCEPSS rescore
  20. 2026-08-18 13:43 UTCEPSS rescore
  21. 2026-08-16 14:51 UTCEPSS rescore
  22. 2026-08-16 02:10 UTCEPSS rescore
  23. 2026-08-15 01:26 UTCEPSS rescore
  24. 2026-08-14 01:48 UTCOSV refresh
  25. 2026-08-12 13:46 UTCEPSS rescore
  26. 2026-08-09 13:42 UTCEPSS rescore
  27. 2026-08-08 16:32 UTCEPSS rescore
  28. 2026-08-07 16:22 UTCEPSS rescore
  29. 2026-08-06 13:42 UTCEPSS rescore
  30. 2026-08-06 13:42 UTCEPSS rescore
  31. 2026-08-05 19:13 UTCEPSS rescore
  32. 2026-08-02 02:23 UTCEPSS rescore
  33. 2026-08-02 02:23 UTCEPSS rescore
  34. 2026-08-01 04:12 UTCEPSS rescore
  35. 2026-07-30 16:24 UTCEPSS rescore
  36. 2026-07-30 01:26 UTCEPSS rescore
  37. 2026-07-29 06:34 UTCOSV refresh
  38. 2026-07-28 15:32 UTCEPSS rescore
  39. 2026-07-26 14:51 UTCEPSS rescore
  40. 2026-07-26 14:51 UTCEPSS rescore
  41. 2026-07-23 14:15 UTCEPSS rescore
  42. 2026-07-23 01:30 UTCEG score recompute
  43. 2026-07-22 22:10 UTCEG score recompute
  44. 2026-07-22 14:04 UTCEPSS rescore
  45. 2026-07-21 15:21 UTCEPSS rescore
  46. 2026-07-20 17:04 UTCEPSS rescore
  47. 2026-07-20 17:04 UTCEPSS rescore
  48. 2026-07-19 14:28 UTCEPSS rescore
  49. 2026-07-19 14:28 UTCEPSS rescore
  50. 2026-07-19 02:26 UTCEPSS rescore
  51. 2026-07-19 02:26 UTCEPSS rescore
  52. 2026-07-18 10:01 UTCEPSS rescore
  53. 2026-07-16 16:59 UTCEPSS rescore
  54. 2026-07-16 16:59 UTCEPSS rescore
  55. 2026-07-15 16:55 UTCEPSS rescore
  56. 2026-07-15 16:54 UTCEPSS rescore
  57. 2026-07-15 01:56 UTCEPSS rescore
  58. 2026-07-15 01:56 UTCEPSS rescore
  59. 2026-07-13 22:26 UTCEPSS rescore
  60. 2026-07-13 22:26 UTCEPSS rescore
  61. 2026-07-12 05:43 UTCEPSS rescore
  62. 2026-07-11 23:22 UTCOSV refresh
  63. 2026-07-11 08:24 UTCEPSS rescore
  64. 2026-07-09 19:06 UTCEPSS rescore
  65. 2026-07-08 15:11 UTCEPSS rescore
  66. 2026-07-07 13:42 UTCEPSS rescore
  67. 2026-07-06 16:24 UTCEPSS rescore
  68. 2026-07-06 16:24 UTCEPSS rescore
  69. 2026-07-06 02:20 UTCEPSS rescore
  70. 2026-07-06 02:20 UTCEPSS rescore
  71. 2026-07-05 02:27 UTCEPSS rescore
  72. 2026-07-04 06:28 UTCEPSS rescore
  73. 2026-07-04 06:28 UTCEPSS rescore
  74. 2026-07-02 16:54 UTCEPSS rescore
  75. 2026-07-01 15:03 UTCEPSS rescore

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-42136✓ verified
    First seen Jun 7, 2017

    Linux Kernel < 4.10.13 - 'keyctl_set_reqkey_keyring' Local Denial of Service

    Open source ↗

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2017-7472?
CVE-2017-7472 is a medium vulnerability published on May 11, 2017. The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEYREQKEYDEFLTHREADKEYRING keyctlsetreqkey_keyring calls.
When was CVE-2017-7472 disclosed?
CVE-2017-7472 was first published on May 11, 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-2017-7472 actively exploited?
CVE-2017-7472 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 2.3% probability of exploitation in the next 30 days (82nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-7472?
CVE-2017-7472 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2017-7472?
A fix for CVE-2017-7472 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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