CVE-2026-64054

HIGHNVD 7.87.8
EchelonGraph scoreMEDIUM confidence

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

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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:

net: shaper: reject duplicate leaves in GROUP request

net_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES entries. When userspace supplies the same leaf handle twice, the same old-parent pointer lands twice in old_nodes[]. The cleanup loop double frees the parent. Of course the same parent may still be in old_nodes[] twice if we are moving multiple of its leaves.

Note that this patch also implicitly fixes the fact that the i >= leaves_count path forgets to set ret.

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
3%
KEV
Not listed

Published

July 19, 2026

Last Modified

September 2, 2026

Advisory Details (3)

Auto-updated Sep 2, 2026
No patch confirmed yet.
generic

net: shaper: reject duplicate leaves in GROUP request - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a9a2fa1da619f276580b0d4c5d12efac89e8642b
generic

net: shaper: reject duplicate leaves in GROUP request - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75
generic

net: shaper: reject duplicate leaves in GROUP request - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/31767bf852b59f05125b58a17007e4cd1ea9eb2e

Vendor Advisories for CVE-2026-64054(1)

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

Patch Availability(6)

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

(1 across 1 ecosystem)
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (141 versions)7.0.12-1

Weakness Classification(1)

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

All Vendor Advisories

(6)

Data Freshness Timeline

(refreshed 19× in last 7d / 62× 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 124 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 04:15 UTCVendor advisory
  3. 2026-09-18 04:15 UTCGHSA enrichment
  4. 2026-09-17 05:28 UTCEG score recompute
  5. 2026-09-17 05:28 UTCVendor advisory
  6. 2026-09-17 05:27 UTCGHSA enrichment
  7. 2026-09-16 14:08 UTCEPSS rescore
  8. 2026-09-16 12:58 UTCEG score recompute
  9. 2026-09-16 12:58 UTCVendor advisory
  10. 2026-09-16 12:58 UTCGHSA enrichment
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-14 05:20 UTCEG score recompute
  13. 2026-09-14 05:20 UTCVendor advisory
  14. 2026-09-14 05:20 UTCGHSA enrichment
  15. 2026-09-13 16:23 UTCVendor advisory
  16. 2026-09-13 16:23 UTCGHSA enrichment
  17. 2026-09-13 03:26 UTCEG score recompute
  18. 2026-09-13 03:26 UTCVendor advisory
  19. 2026-09-13 03:26 UTCGHSA enrichment
  20. 2026-09-12 10:05 UTCVendor advisory
  21. 2026-09-12 10:05 UTCGHSA enrichment
  22. 2026-09-11 18:45 UTCEG score recompute
  23. 2026-09-11 18:45 UTCVendor advisory
  24. 2026-09-11 18:45 UTCGHSA enrichment
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 75 more
  1. 2026-09-11 09:37 UTCEPSS rescore
  2. 2026-09-08 22:01 UTCEPSS rescore
  3. 2026-09-07 23:17 UTCEG score recompute
  4. 2026-09-07 23:17 UTCVendor advisory
  5. 2026-09-07 23:17 UTCGHSA enrichment
  6. 2026-09-07 16:01 UTCEPSS rescore
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-06 12:52 UTCVendor advisory
  9. 2026-09-06 12:52 UTCGHSA enrichment
  10. 2026-09-05 22:53 UTCEG score recompute
  11. 2026-09-05 22:53 UTCVendor advisory
  12. 2026-09-05 22:53 UTCGHSA enrichment
  13. 2026-09-05 15:31 UTCEPSS rescore
  14. 2026-09-05 09:56 UTCEG score recompute
  15. 2026-09-05 09:56 UTCVendor advisory
  16. 2026-09-05 09:55 UTCGHSA enrichment
  17. 2026-09-04 05:07 UTCEPSS rescore
  18. 2026-09-02 21:21 UTCEG score recompute 7.80
  19. 2026-09-02 21:21 UTCVendor advisory
  20. 2026-09-02 21:21 UTCGHSA enrichment
  21. 2026-09-02 21:20 UTCNVD updateCVSS v3 → 7.8 · severity → HIGH
  22. 2026-09-02 14:12 UTCEPSS rescore
  23. 2026-09-01 13:54 UTCEPSS rescore
  24. 2026-09-01 04:40 UTCEPSS rescore
  25. 2026-08-30 19:17 UTCEPSS rescore
  26. 2026-08-30 02:51 UTCVendor advisory
  27. 2026-08-30 02:50 UTCGHSA enrichment
  28. 2026-08-30 01:22 UTCEPSS rescore
  29. 2026-08-28 21:42 UTCEPSS rescore
  30. 2026-08-26 14:46 UTCEPSS rescore
  31. 2026-08-25 18:46 UTCVendor advisory
  32. 2026-08-25 18:46 UTCGHSA enrichment
  33. 2026-08-25 13:49 UTCEPSS rescore
  34. 2026-08-23 00:19 UTCEPSS rescore
  35. 2026-08-22 20:15 UTCVendor advisory
  36. 2026-08-22 20:15 UTCGHSA enrichment
  37. 2026-08-21 23:49 UTCEPSS rescore
  38. 2026-08-20 22:55 UTCEPSS rescore
  39. 2026-08-19 22:59 UTCVendor advisory
  40. 2026-08-19 22:59 UTCGHSA enrichment
  41. 2026-08-19 17:04 UTCEPSS rescore
  42. 2026-08-18 13:48 UTCEPSS rescore
  43. 2026-08-17 13:47 UTCEPSS rescore
  44. 2026-08-16 23:01 UTCVendor advisory
  45. 2026-08-16 23:01 UTCGHSA enrichment
  46. 2026-08-16 14:56 UTCEPSS rescore
  47. 2026-08-15 01:30 UTCEPSS rescore
  48. 2026-08-14 01:45 UTCVendor advisory
  49. 2026-08-14 01:45 UTCGHSA enrichment
  50. 2026-08-13 22:00 UTCEPSS rescore
  51. 2026-08-12 13:51 UTCEPSS rescore
  52. 2026-08-11 04:29 UTCVendor advisory
  53. 2026-08-11 04:29 UTCGHSA enrichment
  54. 2026-08-11 00:00 UTCEPSS rescore
  55. 2026-08-09 13:47 UTCEPSS rescore
  56. 2026-08-08 16:37 UTCEPSS rescore
  57. 2026-08-08 07:14 UTCVendor advisory
  58. 2026-08-08 07:14 UTCGHSA enrichment
  59. 2026-08-06 13:47 UTCEPSS rescore
  60. 2026-08-05 19:17 UTCEPSS rescore
  61. 2026-08-05 19:17 UTCEPSS rescore
  62. 2026-08-05 09:58 UTCGHSA enrichment
  63. 2026-08-04 15:10 UTCEPSS rescore
  64. 2026-08-04 10:39 UTCEPSS rescore
  65. 2026-08-03 10:36 UTCEPSS rescore
  66. 2026-08-02 12:43 UTCVendor advisory
  67. 2026-08-02 12:43 UTCGHSA enrichment
  68. 2026-08-02 02:27 UTCEPSS rescore
  69. 2026-08-01 04:16 UTCEPSS rescore
  70. 2026-07-30 16:28 UTCEPSS rescore
  71. 2026-07-30 15:27 UTCEG score recompute
  72. 2026-07-30 15:27 UTCGHSA enrichment
  73. 2026-07-30 01:30 UTCEPSS rescore
  74. 2026-07-30 01:30 UTCEPSS rescore
  75. 2026-07-29 08:16 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-64054?
CVE-2026-64054 is a high vulnerability published on July 19, 2026. In the Linux kernel, the following vulnerability has been resolved: net: shaper: reject duplicate leaves in GROUP request netshapernlgroupdoit() does not deduplicate NETSHAPERA_LEAVES entries. When userspace supplies the same leaf handle twice, the same old-parent pointer lands twice in…
When was CVE-2026-64054 disclosed?
CVE-2026-64054 was first published in the National Vulnerability Database on July 19, 2026, with the most recent update on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64054 actively exploited?
CVE-2026-64054 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 97.3% of all scored CVEs.
What is the CVSS score of CVE-2026-64054?
CVE-2026-64054 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-64054?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64054, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-64054

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