CVE-2026-63930

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-19. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

iio: buffer: hw-consumer: fix use-after-free in error path

In the err_put_buffers cleanup path of iio_hw_consumer_alloc(), the code was using list_for_each_entry() to iterate through buffers while calling iio_buffer_put() which can free the current buffer if refcount drops to 0. The list_for_each_entry() loop macro then evaluates buf->head.next to continue iteration, accessing the freed buffer.

Fix this by using list_for_each_entry_safe().

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

July 19, 2026

Last Modified

August 5, 2026

Advisory Details (8)

Auto-updated Jul 21, 2026
No patch confirmed yet.
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e965627f0d442bfcae3f496c90cb653fb0917a61
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d2759d49860b9a39b5cde2fb88e4b822ddf5f58f
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b71893c57730809c222766e5718bb33610f11963
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a3763ae33476328cf8d661742deb9daec78eac96
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9319c94f63ed10723afd738d79f5617daba87cc8
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6f5ed4f2c7c83f33344e0ba179f72a12e5dad4a4
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2ff615fc455acda5425c4900160cbe11cfea4449
generic

iio: buffer: hw-consumer: fix use-after-free in error path - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/29783e6b6ec0b7152a15e53a063f17537e81177d

Vendor Advisories for CVE-2026-63930(1)

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

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-08-30ubuntu

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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.94-1~bpo12+1 (27 versions)6.12.94-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (138 versions)7.0.12-1—

All Vendor Advisories

(5)

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 30× in last 7d / 159× 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 205 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-63930?
CVE-2026-63930 is a high vulnerability published on July 19, 2026. In the Linux kernel, the following vulnerability has been resolved: iio: buffer: hw-consumer: fix use-after-free in error path In the errputbuffers cleanup path of iiohwconsumer_alloc(), the code was using listforeach_entry() to iterate through buffers while calling iiobufferput() which can free…
When was CVE-2026-63930 disclosed?
CVE-2026-63930 was first published in the National Vulnerability Database on July 19, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63930 actively exploited?
CVE-2026-63930 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.6% of all scored CVEs.
What is the CVSS score of CVE-2026-63930?
CVE-2026-63930 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-63930?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63930, 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

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