CVE-2024-38555

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2024-06-19. 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/mlx5: Discard command completions in internal error

Fix use after free when FW completion arrives while device is in internal error state. Avoid calling completion handler in this case, since the device will flush the command interface and trigger all completions manually.

Kernel log: ------------[ cut here ]------------ refcount_t: underflow; use-after-free. ... RIP: 0010:refcount_warn_saturate+0xd8/0xe0 ... Call Trace:

? __warn+0x79/0x120 ? refcount_warn_saturate+0xd8/0xe0 ? report_bug+0x17c/0x190 ? handle_bug+0x3c/0x60 ? exc_invalid_op+0x14/0x70 ? asm_exc_invalid_op+0x16/0x20 ? refcount_warn_saturate+0xd8/0xe0 cmd_ent_put+0x13b/0x160 [mlx5_core] mlx5_cmd_comp_handler+0x5f9/0x670 [mlx5_core] cmd_comp_notifier+0x1f/0x30 [mlx5_core] notifier_call_chain+0x35/0xb0 atomic_notifier_call_chain+0x16/0x20 mlx5_eq_async_int+0xf6/0x290 [mlx5_core] notifier_call_chain+0x35/0xb0 atomic_notifier_call_chain+0x16/0x20 irq_int_handler+0x19/0x30 [mlx5_core] __handle_irq_event_percpu+0x4b/0x160 handle_irq_event+0x2e/0x80 handle_edge_irq+0x98/0x230 __common_interrupt+0x3b/0xa0 common_interrupt+0x7b/0xa0

asm_common_interrupt+0x22/0x40

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

June 19, 2024

Last Modified

August 5, 2026

Advisory Details (7)

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

net/mlx5: Discard command completions in internal error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3cb92b0ad73d3f1734e812054e698d655e9581b0
generic

net/mlx5: Discard command completions in internal error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1d5dce5e92a70274de67a59e1e674c3267f94cd7
generic

net/mlx5: Discard command completions in internal error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1337ec94bc5a9eed250e33f5f5c89a28a6bfabdb
generic

net/mlx5: Discard command completions in internal error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f6fbb8535e990f844371086ab2c1221f71f993d3
generic

net/mlx5: Discard command completions in internal error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/db9b31aa9bc56ff0d15b78f7e827d61c4a096e40
generic

net/mlx5: Discard command completions in internal error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/bf8aaf0ae01c27ae3c06aa8610caf91e50393396
generic

net/mlx5: Discard command completions in internal error - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7ac4c69c34240c6de820492c0a28a0bd1494265a

Vendor Advisories for CVE-2024-38555(5)

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

Patch Availability(19)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-azure-fde-edge (5.15.0.1072.81~20.04.1.49) @ focal2026-05-23ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.8.0-40.40) @ noble2026-05-23ubuntu
ubuntulinux-xilinx-zynqmp-tools-host (5.15.0-1035.39) @ jammy2026-05-23ubuntu
ubuntulinux-tools-oracle-64k (6.8.0-1010.10) @ noble2026-05-23ubuntu
ubuntulinux-tools-raspi (6.8.0-1009.10) @ noble2026-05-23ubuntu
ubuntulinux-tools-oem-24.04a (6.8.0-1010.10) @ noble2026-05-23ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.121.121) @ jammy2026-05-23ubuntu
ubuntulinux-tools-azure-lts-22.04 (5.15.0.1072.70) @ jammy2026-05-23ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1067.73~20.04.1) @ focal2026-05-23ubuntu
ubuntulinux-tools-lowlatency-hwe-20.04-edge (5.15.0.121.110) @ jammy2026-05-23ubuntu
redhatkernel-0:5.14.0-427.47.1.el9_42024-12-04redhat
redhatkernel-0:5.14.0-503.11.1.el9_52024-11-12redhat
redhatkernel-0:5.14.0-284.79.1.el9_22024-08-14redhat
redhatkernel-rt-0:5.14.0-284.79.1.rt14.364.el9_22024-08-14redhat
redhatkernel-0:4.18.0-477.67.1.el8_82024-08-13redhat
redhatkernel-0:4.18.0-553.16.1.el8_102024-08-08redhat
redhatkernel-rt-0:4.18.0-553.16.1.rt7.357.el8_102024-08-08redhat
redhatkernel-0:4.18.0-372.115.1.el8_62024-08-07redhat
linuxKernel @ 5.10.219—osv

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

(13)

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 14× in last 7d / 50× 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 129 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2024-38555?
CVE-2024-38555 is a high vulnerability published on June 19, 2024. In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Discard command completions in internal error Fix use after free when FW completion arrives while device is in internal error state. Avoid calling completion handler in this case, since the device will flush the command…
When was CVE-2024-38555 disclosed?
CVE-2024-38555 was first published in the National Vulnerability Database on June 19, 2024, 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-2024-38555 actively exploited?
CVE-2024-38555 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 82.3% of all scored CVEs.
What is the CVSS score of CVE-2024-38555?
CVE-2024-38555 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2024-38555?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-38555, 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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