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)

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 11× in last 7d / 47× 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 159 total refreshes for this CVE.

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

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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