CVE-2026-23258

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-03-18. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

A fix is available — apply it.

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

net: liquidio: Initialize netdev pointer before queue setup

In setup_nic_devices(), the netdev is allocated using alloc_etherdev_mq(). However, the pointer to this structure is stored in oct->props[i].netdev only after the calls to netif_set_real_num_rx_queues() and netif_set_real_num_tx_queues().

If either of these functions fails, setup_nic_devices() returns an error without freeing the allocated netdev. Since oct->props[i].netdev is still NULL at this point, the cleanup function liquidio_destroy_nic_device() will fail to find and free the netdev, resulting in a memory leak.

Fix this by initializing oct->props[i].netdev before calling the queue setup functions. This ensures that the netdev is properly accessible for cleanup in case of errors.

Compile tested only. Issue found using a prototype static analysis tool and code review.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

March 18, 2026

Last Modified

June 17, 2026

Advisory Details (7)

Auto-updated Aug 6, 2026
No patch confirmed yet.
generic

net: liquidio: Initialize netdev pointer before queue setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d028147ae06407cb355245db1774793600670169
generic

net: liquidio: Initialize netdev pointer before queue setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c81a8515fb8c8fb5d0dbc21f48337494bf1d60df
generic

net: liquidio: Initialize netdev pointer before queue setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c0ed6c77ec34050971fd0df2a94dfdea66d09331
generic

net: liquidio: Initialize netdev pointer before queue setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/be109646cdaecab262f6276303b1763468c94378
generic

net: liquidio: Initialize netdev pointer before queue setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a0e57c0b68c9e6f9a8fd7c1167861a5a730eb2f4
generic

net: liquidio: Initialize netdev pointer before queue setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/926ede0c85e1e57c97d64d9612455267d597bb2c
generic

net: liquidio: Initialize netdev pointer before queue setup - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1d4590fde856cb94bd9a46e795c29d8288c238fc

Vendor Advisories for CVE-2026-23258(1)

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

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1059.65+fips1) @ noble2026-06-11ubuntu
ubuntulinux-virtual-6.8 (6.8.0-117.117) @ noble2026-06-11ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1054.57.1) @ noble2026-06-11ubuntu
ubuntulinux-tools-fips-6.8 (6.8.0-116.116+fips1) @ noble2026-06-11ubuntu
ubuntulinux-tools-nvidia-tegra-rt-6.8 (6.8.0-1024.24) @ noble2026-06-11ubuntu
ubuntulinux-tools-nvidia-hwe-22.04-edge (6.8.0-1054.57~22.04.1) @ jammy2026-06-11ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1056.62) @ noble2026-06-11ubuntu
linuxKernel @ 5.10.250—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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (49 versions)5.10.251-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (47 versions)6.1.164-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.73-1~bpo12+1 (12 versions)6.12.73-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 6.18~rc7-1~exp1 (99 versions)6.18.10-1—

Weakness Classification(1)

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

All Vendor Advisories

(15)

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 4× in last 7d / 22× 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 179 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-23258?
CVE-2026-23258 is a medium vulnerability published on March 18, 2026. In the Linux kernel, the following vulnerability has been resolved: net: liquidio: Initialize netdev pointer before queue setup In setupnicdevices(), the netdev is allocated using allocetherdevmq(). However, the pointer to this structure is stored in oct->props[i].netdev only after the calls to…
When was CVE-2026-23258 disclosed?
CVE-2026-23258 was first published in the National Vulnerability Database on March 18, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-23258 actively exploited?
CVE-2026-23258 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 98.3% of all scored CVEs.
What is the CVSS score of CVE-2026-23258?
CVE-2026-23258 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-23258?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-23258, 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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