CVE-2017-7889

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
22.7%
KEV
Not listed

Published

April 17, 2017

Last Modified

May 13, 2026

References (24)

Vendor Advisories for CVE-2017-7889(4)

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

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-raspi2 (4.10.0.1006.8) @ zesty2026-05-22ubuntu
ubuntulinux-image-extra-4.4.0-79-generic (4.4.0-79.100~14.04.1) @ trusty2026-05-22ubuntu
ubuntulinux-image-extra-3.13.0-142-generic (3.13.0-142.191) @ trusty2026-05-22ubuntu
ubuntulinux-image-generic-lts-trusty (3.13.0.142.133) @ precise2026-05-22ubuntu
ubuntulinux-image-extra-4.4.0-79-generic (4.4.0-79.100) @ xenial2026-05-22ubuntu
ubuntulinux-image-extra-4.10.0-27-generic (4.10.0-27.30~16.04.2) @ xenial2026-05-22ubuntu
redhatkernel-0:2.6.32-754.el62018-06-19redhat
redhatkernel-rt-1:3.10.0-693.2.1.rt56.585.el6rt2017-09-06redhat
redhatkernel-rt-0:3.10.0-693.rt56.617.el72017-08-01redhat
redhatkernel-0:3.10.0-693.el72017-08-01redhat

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

(6)

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 11× in last 7d / 45× 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 114 total refreshes for this CVE.

  1. 2026-07-16 16:59 UTCEPSS rescore
  2. 2026-07-16 16:59 UTCEPSS rescore
  3. 2026-07-15 16:55 UTCEPSS rescore
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  10. 2026-07-12 00:22 UTCOSV refresh
  11. 2026-07-11 08:24 UTCEPSS rescore
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  1. 2026-06-28 14:04 UTCEPSS rescore
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  4. 2026-06-27 03:06 UTCEPSS rescore
  5. 2026-06-25 13:47 UTCEPSS rescore
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  8. 2026-06-23 21:30 UTCEPSS rescore
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  10. 2026-06-23 07:00 UTCOSV refresh
  11. 2026-06-22 14:23 UTCEPSS rescore
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  13. 2026-06-21 14:54 UTCEPSS rescore
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  22. 2026-06-15 17:45 UTCEPSS rescore
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  25. 2026-06-13 22:58 UTCEPSS rescore
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  27. 2026-06-12 23:09 UTCEPSS rescore
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  29. 2026-06-11 13:57 UTCEPSS rescore
  30. 2026-06-10 22:15 UTCEPSS rescore
  31. 2026-06-10 13:19 UTCEPSS rescore
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  36. 2026-06-06 13:45 UTCEPSS rescore
  37. 2026-06-06 13:45 UTCEPSS rescore
  38. 2026-06-06 05:21 UTCOSV refresh
  39. 2026-06-05 22:44 UTCEPSS rescore
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  41. 2026-06-05 06:08 UTCEPSS rescore
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  43. 2026-06-04 13:10 UTCEPSS rescore
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  45. 2026-06-02 20:11 UTCEPSS rescore
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  47. 2026-06-01 13:49 UTCEPSS rescore
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  49. 2026-05-31 22:28 UTCEPSS rescore
  50. 2026-05-31 00:14 UTCEPSS rescore
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  67. 2026-05-22 14:14 UTCEG score recompute
  68. 2026-05-22 14:14 UTCVendor advisory
  69. 2026-05-22 14:13 UTCGHSA enrichment
  70. 2026-05-21 22:40 UTCEPSS rescore
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  72. 2026-05-20 22:37 UTCEPSS rescore
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  75. 2026-05-20 22:37 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2017-7889?
CVE-2017-7889 is a high vulnerability published on April 17, 2017. The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIGSTRICTDEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the…
When was CVE-2017-7889 disclosed?
CVE-2017-7889 was first published in the National Vulnerability Database on April 17, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-7889 actively exploited?
CVE-2017-7889 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-7889?
CVE-2017-7889 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2017-7889?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-7889, 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.

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