CVE-2026-53170

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-25. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

accel/ethosu: reject DMA commands with uninitialized length

cmd_state_init() initializes the command state with memset(0xff), leaving dma->len at U64_MAX to signal missing setup. The only setter is NPU_SET_DMA0_LEN; if userspace omits this command and issues NPU_OP_DMA_START, dma->len remains U64_MAX.

In dma_length(), a positive stride added to U64_MAX wraps to a small value. With size0 == 1, check_mul_overflow() does not trigger and dma_length() returns 0 instead of U64_MAX. The caller's U64_MAX check then passes, region_size[] stays 0, and the bounds check in ethosu_job.c is bypassed, allowing hardware to execute DMA with stale physical addresses.

Fix by checking for U64_MAX at the start of dma_length() before any arithmetic, consistent with the sentinel value used throughout the driver to detect uninitialized fields.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
2.8%
KEV
Not listed

Published

June 25, 2026

Last Modified

July 6, 2026

Advisory Details (2)

Auto-updated Jun 28, 2026
No patch confirmed yet.
generic

accel/ethosu: reject DMA commands with uninitialized length - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fb25c76a820ca8a547aa478bfb503da0a11494ab
generic

accel/ethosu: reject DMA commands with uninitialized length - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d9d021218162b6c4fe0bdf42b2b340f1aae23a12

Vendor Advisories for CVE-2026-53170(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 81× 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.

  1. 2026-07-24 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:19 UTCEG score recompute
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-21 15:25 UTCEPSS rescore
  6. 2026-07-20 17:08 UTCEPSS rescore
  7. 2026-07-19 14:31 UTCEPSS rescore
  8. 2026-07-19 14:31 UTCEPSS rescore
  9. 2026-07-19 02:29 UTCEPSS rescore
  10. 2026-07-18 10:04 UTCEPSS rescore
  11. 2026-07-16 22:31 UTCGHSA enrichment
  12. 2026-07-16 17:03 UTCEPSS rescore
  13. 2026-07-16 11:04 UTCGHSA enrichment
  14. 2026-07-15 23:24 UTCGHSA enrichment
  15. 2026-07-15 16:57 UTCEPSS rescore
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 11:57 UTCGHSA enrichment
  18. 2026-07-15 02:00 UTCEPSS rescore
  19. 2026-07-15 02:00 UTCEPSS rescore
  20. 2026-07-15 00:30 UTCGHSA enrichment
  21. 2026-07-14 13:03 UTCGHSA enrichment
  22. 2026-07-14 01:37 UTCGHSA enrichment
  23. 2026-07-13 22:31 UTCEPSS rescore
  24. 2026-07-13 14:10 UTCGHSA enrichment
  25. 2026-07-13 06:13 UTCEPSS rescore
Show 56 more
  1. 2026-07-13 06:13 UTCEPSS rescore
  2. 2026-07-13 02:40 UTCGHSA enrichment
  3. 2026-07-12 15:13 UTCGHSA enrichment
  4. 2026-07-12 05:46 UTCEPSS rescore
  5. 2026-07-12 03:41 UTCGHSA enrichment
  6. 2026-07-11 16:14 UTCGHSA enrichment
  7. 2026-07-11 08:27 UTCEPSS rescore
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-11 04:48 UTCGHSA enrichment
  10. 2026-07-10 17:22 UTCGHSA enrichment
  11. 2026-07-10 05:56 UTCGHSA enrichment
  12. 2026-07-09 19:10 UTCEPSS rescore
  13. 2026-07-09 19:10 UTCEPSS rescore
  14. 2026-07-09 18:29 UTCGHSA enrichment
  15. 2026-07-09 07:00 UTCGHSA enrichment
  16. 2026-07-08 19:33 UTCGHSA enrichment
  17. 2026-07-08 15:16 UTCEPSS rescore
  18. 2026-07-08 15:16 UTCEPSS rescore
  19. 2026-07-08 08:05 UTCGHSA enrichment
  20. 2026-07-07 20:39 UTCGHSA enrichment
  21. 2026-07-07 13:46 UTCEPSS rescore
  22. 2026-07-07 13:46 UTCEPSS rescore
  23. 2026-07-07 09:12 UTCGHSA enrichment
  24. 2026-07-06 21:44 UTCGHSA enrichment
  25. 2026-07-06 16:27 UTCEPSS rescore
  26. 2026-07-06 16:27 UTCEPSS rescore
  27. 2026-07-06 10:15 UTCGHSA enrichment
  28. 2026-07-05 22:36 UTCGHSA enrichment
  29. 2026-07-05 11:09 UTCGHSA enrichment
  30. 2026-07-05 02:31 UTCEPSS rescore
  31. 2026-07-05 02:30 UTCEPSS rescore
  32. 2026-07-04 23:42 UTCGHSA enrichment
  33. 2026-07-04 12:15 UTCGHSA enrichment
  34. 2026-07-04 06:31 UTCEPSS rescore
  35. 2026-07-04 06:31 UTCEPSS rescore
  36. 2026-07-04 00:46 UTCGHSA enrichment
  37. 2026-07-03 13:20 UTCGHSA enrichment
  38. 2026-07-03 01:54 UTCGHSA enrichment
  39. 2026-07-02 14:27 UTCGHSA enrichment
  40. 2026-07-02 03:00 UTCGHSA enrichment
  41. 2026-07-01 15:33 UTCGHSA enrichment
  42. 2026-07-01 15:07 UTCEPSS rescore
  43. 2026-07-01 04:07 UTCEG score recompute▲ 8.80
  44. 2026-07-01 04:07 UTCGHSA enrichment
  45. 2026-06-30 23:22 UTCEPSS rescore
  46. 2026-06-29 14:06 UTCEPSS rescore
  47. 2026-06-29 14:06 UTCEPSS rescore
  48. 2026-06-28 14:07 UTCEPSS rescore
  49. 2026-06-28 07:52 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  50. 2026-06-28 07:08 UTCGHSA enrichment
  51. 2026-06-28 04:56 UTCEPSS rescore
  52. 2026-06-28 04:56 UTCEPSS rescore
  53. 2026-06-27 03:08 UTCEPSS rescore
  54. 2026-06-25 13:49 UTCEPSS rescore
  55. 2026-06-25 10:09 UTCEG score recompute
  56. 2026-06-25 10:09 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-53170?
CVE-2026-53170 is a high vulnerability published on June 25, 2026. In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: reject DMA commands with uninitialized length cmdstateinit() initializes the command state with memset(0xff), leaving dma->len at U64_MAX to signal missing setup. The only setter is NPUSETDMA0_LEN; if userspace omits…
When was CVE-2026-53170 disclosed?
CVE-2026-53170 was first published in the National Vulnerability Database on June 25, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53170 actively exploited?
CVE-2026-53170 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53170?
CVE-2026-53170 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-53170?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53170, 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

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