CVE-2019-19768

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 1.4%, top 19% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
89.8%
KEV
Not listed

Published

December 12, 2019

Last Modified

November 21, 2024

References (22)

Vendor Advisories for CVE-2019-19768(4)

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

Patch Availability(18)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-virtual-lts-xenial (4.4.0.178.186) @ xenial2026-05-27ubuntu
ubuntulinux-image-virtual-hwe-18.04-edge (5.3.0.51.104) @ bionic2026-05-27ubuntu
ubuntulinux-image-virtual-hwe-16.04-edge (4.15.0.99.89) @ bionic2026-05-27ubuntu
ubuntulinux-image-oem-osp1 (5.0.0.1050.53) @ bionic2026-05-27ubuntu
redhatkpatch-patch2020-06-12redhat
redhatkernel-0:3.10.0-1062.26.1.el72020-06-11redhat
redhatkernel-0:3.10.0-514.76.1.el72020-05-26redhat
redhatkernel-0:3.10.0-957.54.1.el72020-05-26redhat
redhatkernel-0:3.10.0-327.88.1.el72020-05-26redhat
redhatkernel-rt-1:3.10.0-693.67.1.rt56.665.el6rt2020-05-20redhat
redhatkernel-0:4.18.0-147.13.2.el8_12020-05-19redhat
redhatkernel-0:3.10.0-693.67.1.el72020-05-19redhat
redhatkernel-rt-0:3.10.0-1127.8.2.rt56.1103.el72020-05-12redhat
redhatkernel-alt-0:4.14.0-115.21.2.el7a2020-05-12redhat
redhatkernel-0:3.10.0-1127.8.2.el72020-05-12redhat
redhatkernel-0:4.18.0-80.18.1.el8_02020-04-29redhat
redhatkernel-rt-0:4.18.0-193.rt13.51.el82020-04-28redhat
redhatkernel-0:4.18.0-193.el82020-04-28redhat

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(1)

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

Additional Vendor Advisories

(16)

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2019-19768?
CVE-2019-19768 is a high vulnerability published on December 12, 2019. In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the blkaddtrace function in kernel/trace/blktrace.c (which is used to fill out a blkiotrace structure and place it in a per-cpu sub-buffer).
When was CVE-2019-19768 disclosed?
CVE-2019-19768 was first published in the National Vulnerability Database on December 12, 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-2019-19768 actively exploited?
CVE-2019-19768 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-19768?
CVE-2019-19768 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2019-19768?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-19768, 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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