CVE-2026-74408

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-15. A secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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

wifi: ath9k: fix OOB access from firmware tx status queue ID

ath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a 4-bit hardware field (0-15), but the txq array only has ATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array access.

Add a bounds check on ts.qid before using it as an array index.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
44
EG Risk 44/100CISA SSVC

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
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.4%
EPSS %ILE
33rd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (8)

Auto-updated Aug 17, 2026
Patch available.
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f5931d06b45ed402572bfe5832fff15864ef5481
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a9e055ac62cb3fcea262d4b687ec73eed82b3379
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7ce2f118a2389e8f0a64068c6fe7cc7d40639be0
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/734db72d55ca578a344dfa33e30145032c074b25
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5435fd3edcb11c7cc4002847c83e9a50b49284dc
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/46ca1451f61b598f45cb5259e066d305444d95fc
generic

wifi: ath9k: fix OOB access from firmware tx status queue ID - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/336d4c8cd9b1646060ee690c881d465dfc09c6c0

Vendor Advisories for CVE-2026-74408(1)

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

Patch Availability(9)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1122.131) @ jammy2026-10-06ubuntu
ubuntulinux-tools-gcp-edge (5.15.0.1118.128~20.04.1) @ focal2026-10-06ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1114.120~20.04.1) @ focal2026-10-06ubuntu
ubuntulinux-tools-gcp-lts-22.04 (5.15.0.1118.115) @ jammy2026-10-06ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1080 (5.15.0-1080.84) @ jammy2026-10-06ubuntu
ubuntulinux-tools-azure-lts-26.04 (7.0.0-1017.17) @ resolute2026-10-06ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1015.15) @ resolute2026-10-06ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-38.38) @ resolute2026-10-06ubuntu
ubuntulinux-tools-nvidia-tegra-rt-6.8 (6.8.0-1035.38) @ noble2026-10-06ubuntu

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

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.1.106-1 ... 6.1.99-1 (55 versions)
  • every version up to 6.1.180-1: fixed in 6.1.180-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.38-1 ... 6.12.96-1 (31 versions)
  • every version up to 6.12.100-1: fixed in 6.12.100-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 7.1~rc7-1~exp1 (160 versions)
  • every version up to 7.1.5-1: fixed in 7.1.5-1
—

All Vendor Advisories

(9)

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 31× in last 7d / 123× 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 216 total refreshes for this CVE.

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

Related CVEs(same vendor)

Frequently asked(5)

What is CVE-2026-74408?
CVE-2026-74408 is a high vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: fix OOB access from firmware tx status queue ID athtxedma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a 4-bit hardware field (0-15), but the txq array only has ATH9KNUMTX_QUEUES (10) entries. A qid >= 10…
When was CVE-2026-74408 disclosed?
CVE-2026-74408 was first published on August 15, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74408 actively exploited?
CVE-2026-74408 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (33rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-74408?
CVE-2026-74408 has a CVSS base score of 8.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-74408?
A fix for CVE-2026-74408 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-74408 are linked in the Vendor Advisories panel on this page.

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