CVE-2019-17055

LOWNVD 3.33.3—
EchelonGraph scoreMEDIUM confidence

Score 3.3 from GitHub Security Advisory (severity: LOW) published 2022-05-24. NVD baseline CVSS 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
3.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 3.3Exploit: NoneExposed: 0

A fix is available — apply it.

base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-b91ee4aa2a21.

CVSS v3
3.3
EG Score
3.3(medium)
EG Risk
—
EPSS
42.2%
KEV
Not listed

Published

October 1, 2019

Last Modified

November 21, 2024

References (30)

Vendor Advisories for CVE-2019-17055(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-virtual-hwe-16.04 (4.15.0.69.89) @ xenial2026-05-23ubuntu
ubuntulinux-image-virtual-lts-xenial (4.4.0.168.176) @ xenial2026-05-23ubuntu
ubuntulinux-image-4.15.0-1063-azure (4.15.0-1063.68~14.04.1) @ trusty2026-05-23ubuntu
ubuntulinux-image-virtual (5.0.0.35.37) @ disco2026-05-23ubuntu
ubuntulinux-image-virtual-lts-xenial (4.4.0.168.147) @ trusty2026-05-23ubuntu
redhatkernel-rt-0:3.10.0-1160.rt56.1131.el72020-09-29redhat
redhatkernel-0:3.10.0-1160.el72020-09-29redhat
redhatkernel-rt-0:4.18.0-193.rt13.51.el82020-04-28redhat
redhatkernel-0:4.18.0-193.el82020-04-28redhat
redhatkernel-0:2.6.32-754.28.1.el62020-03-11redhat

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.

Weakness Classification(2)

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

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 13× 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.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2019-17055?
CVE-2019-17055 is a low vulnerability published on October 1, 2019. basesockcreate in drivers/isdn/mISDN/socket.c in the AFISDN network module in the Linux kernel through 5.3.2 does not enforce CAPNET_RAW, which means that unprivileged users can create a raw socket, aka CID-b91ee4aa2a21.
When was CVE-2019-17055 disclosed?
CVE-2019-17055 was first published in the National Vulnerability Database on October 1, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-17055 actively exploited?
CVE-2019-17055 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-17055?
CVE-2019-17055 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2019-17055?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-17055, 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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