CVE-2026-46178

HIGHPre-NVD 7.87.8
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-28. 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:

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq()

Sashiko points out that mlx4_srq_alloc() was not undone during error unwind, add the missing call to mlx4_srq_free().

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

May 28, 2026

Last Modified

June 14, 2026

Advisory Details (8)

Auto-updated Jun 4, 2026
No patch confirmed yet.
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e01b8c9286c470b71a38acd320106f2c4f2826a1
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c5dc30da990045105c9762248d23076223e7878a
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c54c7e4cb679c0aaa1cb489b9c3f2cd98e63a44c
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5b3b220d54e6a3d77380cb7caa1ef79cb8f4fc94
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/53fd4c03558672ccb167754fbacbf045c7ab335c
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/388617f44d81604a760742a0b5de292d411e63e3
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0dbd619716fb07b7de1acd64fec673ee6e1adde7
generic

RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0be6ae614ca7fa53e7389e3c7462ed20abbd4192

Vendor Advisories for CVE-2026-46178(2)

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

Patch Availability(22)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-07-27ubuntu
ubuntulinux-virtual-6.8 (6.8.0-136.136) @ noble2026-07-27ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1009.9) @ resolute2026-07-27ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-07-27ubuntu
ubuntulinux-tools-ibm-edge (5.15.0.1106.110~20.04.1) @ focal2026-07-27ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-07-27ubuntu
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-07-27ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-07-27ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-07-27ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-07-27ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-07-27ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1063.71) @ noble2026-07-27ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-07-27ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1058.61) @ noble2026-07-27ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-07-27ubuntu
ubuntulinux-tools-nvidia-hwe-22.04-edge (6.8.0-1059.62~22.04.1) @ jammy2026-07-27ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1063.71+fips2) @ noble2026-07-27ubuntu
ubuntulinux-tools-azure-fde-6.8 (6.8.0-1062.69~22.04.1) @ jammy2026-07-27ubuntu
ubuntulinux-tools-oracle-lts-22.04 (5.15.0.1109.105) @ jammy2026-07-27ubuntu
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1117.126) @ jammy2026-07-27ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-07-27ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-07-27ubuntu

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

(22)

Data Freshness Timeline

(refreshed 12× in last 7d / 55× 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 158 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-46178?
CVE-2026-46178 is a high vulnerability published on May 28, 2026. In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix resource leak on error in mlx4ibcreate_srq() Sashiko points out that mlx4srqalloc() was not undone during error unwind, add the missing call to mlx4srqfree().
When was CVE-2026-46178 disclosed?
CVE-2026-46178 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on June 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46178 actively exploited?
CVE-2026-46178 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 97.1% of all scored CVEs.
What is the CVSS score of CVE-2026-46178?
CVE-2026-46178 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-46178?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46178, 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

Explore the affected products and dependency analysis for CVE-2026-46178

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