CVE-2023-53034

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2025-04-16. NVD baseline CVSS 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

A fix is available — apply it.

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

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans

There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and size. This would make xlate_pos negative.

[ 23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000 [ 23.734158] ================================================================================ [ 23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7 [ 23.734418] shift exponent -1 is negative

Ensuring xlate_pos is a positive or zero before BIT.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

April 16, 2025

Last Modified

August 5, 2026

Advisory Details (9)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/de203da734fae00e75be50220ba5391e7beecdf9
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/36d32cfb00d42e865396424bb5d340fc0a28870d
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cb153bdc1812a3375639ed6ca5f147eaefb65349
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c61a3f2df162ba424be0141649a9ef5f28eaccc1
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7ed22f8d8be26225a78cf5e85b2036421a6bf2d5
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2429bdf26a0f3950fdd996861e9c1a3873af1dbe
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5b6857bb3bfb0dae17fab1e42c1e82c204a508b1
generic

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f56951f211f181410a383d305e8d370993e45294

Vendor Advisories for CVE-2023-53034(7)

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

Patch Availability(31)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-azure-fips (5.15.0.1091.76) @ jammy2026-05-30ubuntu
ubuntulinux-tools-azure-lts-22.04 (5.15.0.1091.89) @ jammy2026-05-30ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.14.0-22.22) @ plucky2026-05-30ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.142.152~20.04.1) @ focal2026-05-30ubuntu
ubuntulinux-virtual-hwe-18.04-edge (5.4.0.218.238~18.04.1) @ bionic2026-05-30ubuntu
ubuntulinux-tools-azure (6.14.0-1007.7) @ plucky2026-05-30ubuntu
ubuntulinux-tools-azure-edge (5.15.0.1091.100~20.04.1) @ focal2026-05-30ubuntu
ubuntulinux-tools-azure-edge (5.4.0.1152.159~18.04.1) @ bionic2026-05-30ubuntu
ubuntulinux-tools-fips (5.4.0.1121.118) @ focal2026-05-30ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.11.0-28.28) @ oracular2026-05-30ubuntu
ubuntulinux-tools-bluefield (5.4.0.1106.102) @ focal2026-05-30ubuntu
ubuntulinux-tools-lowlatency-hwe-24.04 (6.11.0-1015.16~24.04.2) @ noble2026-05-30ubuntu
ubuntulinux-tools-oem-24.04b (6.11.0-1024.24) @ noble2026-05-30ubuntu
ubuntulinux-tools-intel-iotg (5.15.0.1081.81) @ jammy2026-05-30ubuntu
ubuntulinux-tools-oracle-64k (6.14.0-1007.7) @ plucky2026-05-30ubuntu
ubuntulinux-tools-azure-6.11 (6.11.0-1018.18) @ oracular2026-05-30ubuntu
ubuntulinux-tools-intel-iotg-edge (5.15.0.1083.89~20.04.1) @ focal2026-05-30ubuntu
ubuntulinux-tools-raspi-nolpae (5.15.0.1080.78) @ jammy2026-05-30ubuntu
ubuntulinux-virtual-6.8 (6.8.0-86.87) @ noble2026-05-30ubuntu
ubuntulinux-tools-raspi-hwe-18.04-edge (5.4.0.1130.143~18.04.1) @ bionic2026-05-30ubuntu
ubuntulinux-tools-iot (5.4.0.1051.49) @ focal2026-05-30ubuntu
redhatkernel-0:5.14.0-611.34.1.el9_72026-02-16redhat
redhatkernel-0:6.12.0-124.38.1.el10_12026-02-16redhat
redhatkernel-0:6.12.0-55.58.1.el10_02026-02-02redhat
redhatkernel-0:5.14.0-427.108.1.el9_42026-01-28redhat
redhatkernel-0:5.14.0-70.163.1.el9_02026-01-28redhat
redhatkernel-rt-0:5.14.0-70.163.1.rt21.235.el9_02026-01-28redhat
redhatkernel-rt-0:5.14.0-284.154.1.rt14.439.el9_22026-01-28redhat
redhatkernel-0:5.14.0-284.154.1.el9_22026-01-28redhat
redhatkernel-0:5.14.0-570.81.1.el9_62026-01-26redhat
linuxKernel @ 5.4.292—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

(18)

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 18× in last 7d / 51× 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 119 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 19:15 UTCEPSS rescore
  4. 2026-08-05 19:15 UTCEPSS rescore
  5. 2026-08-05 10:21 UTCEG score recompute
  6. 2026-08-05 10:21 UTCVendor advisory
  7. 2026-08-05 10:21 UTCGHSA enrichment
  8. 2026-08-04 11:05 UTCEG score recompute
  9. 2026-08-04 11:05 UTCVendor advisory
  10. 2026-08-04 11:05 UTCGHSA enrichment
  11. 2026-08-04 10:36 UTCEPSS rescore
  12. 2026-08-04 10:22 UTCNVD updateCVSS v3 → 7.1 · severity → HIGH
  13. 2026-08-04 09:45 UTCEG score recompute
  14. 2026-08-04 09:45 UTCVendor advisory
  15. 2026-08-04 09:44 UTCGHSA enrichment
  16. 2026-08-03 10:34 UTCEPSS rescore
  17. 2026-08-02 02:25 UTCEPSS rescore
  18. 2026-08-02 02:25 UTCEPSS rescore
  19. 2026-08-01 04:14 UTCEPSS rescore
  20. 2026-07-30 16:26 UTCEPSS rescore
  21. 2026-07-30 01:29 UTCEPSS rescore
  22. 2026-07-28 15:34 UTCEPSS rescore
  23. 2026-07-28 15:34 UTCEPSS rescore
  24. 2026-07-26 14:53 UTCEPSS rescore
  25. 2026-07-25 14:16 UTCEPSS rescore
Show 75 more
  1. 2026-07-24 14:16 UTCEPSS rescore
  2. 2026-07-24 08:41 UTCOSV refresh
  3. 2026-07-23 14:16 UTCEPSS rescore
  4. 2026-07-23 02:29 UTCEG score recompute
  5. 2026-07-22 23:16 UTCEG score recompute
  6. 2026-07-22 14:07 UTCEPSS rescore
  7. 2026-07-22 14:07 UTCEPSS rescore
  8. 2026-07-21 15:23 UTCEPSS rescore
  9. 2026-07-20 17:06 UTCEPSS rescore
  10. 2026-07-19 14:30 UTCEPSS rescore
  11. 2026-07-19 14:29 UTCEPSS rescore
  12. 2026-07-19 02:27 UTCEPSS rescore
  13. 2026-07-19 02:27 UTCEPSS rescore
  14. 2026-07-18 10:03 UTCEPSS rescore
  15. 2026-07-18 10:03 UTCEPSS rescore
  16. 2026-07-16 17:01 UTCEPSS rescore
  17. 2026-07-15 16:56 UTCEPSS rescore
  18. 2026-07-15 01:59 UTCEPSS rescore
  19. 2026-07-15 01:59 UTCEPSS rescore
  20. 2026-07-13 22:28 UTCEPSS rescore
  21. 2026-07-13 22:28 UTCEPSS rescore
  22. 2026-07-13 06:11 UTCEPSS rescore
  23. 2026-07-12 05:45 UTCEPSS rescore
  24. 2026-07-12 05:45 UTCEPSS rescore
  25. 2026-07-11 08:26 UTCEPSS rescore
  26. 2026-07-09 19:08 UTCEPSS rescore
  27. 2026-07-08 15:13 UTCEPSS rescore
  28. 2026-07-07 13:45 UTCEPSS rescore
  29. 2026-07-07 13:44 UTCEPSS rescore
  30. 2026-07-07 04:21 UTCOSV refresh
  31. 2026-07-06 02:22 UTCEPSS rescore
  32. 2026-07-06 02:22 UTCEPSS rescore
  33. 2026-07-05 02:29 UTCEPSS rescore
  34. 2026-07-04 06:29 UTCEPSS rescore
  35. 2026-07-01 15:05 UTCEPSS rescore
  36. 2026-06-30 23:21 UTCEPSS rescore
  37. 2026-06-30 23:21 UTCEPSS rescore
  38. 2026-06-29 14:05 UTCEPSS rescore
  39. 2026-06-28 14:06 UTCEPSS rescore
  40. 2026-06-28 14:06 UTCEPSS rescore
  41. 2026-06-28 04:55 UTCEPSS rescore
  42. 2026-06-27 03:07 UTCEPSS rescore
  43. 2026-06-25 13:48 UTCEPSS rescore
  44. 2026-06-25 13:48 UTCEPSS rescore
  45. 2026-06-24 14:04 UTCEPSS rescore
  46. 2026-06-24 14:04 UTCEPSS rescore
  47. 2026-06-23 21:31 UTCEPSS rescore
  48. 2026-06-23 21:31 UTCEPSS rescore
  49. 2026-06-22 14:24 UTCEPSS rescore
  50. 2026-06-22 14:24 UTCEPSS rescore
  51. 2026-06-21 14:55 UTCEPSS rescore
  52. 2026-06-21 14:55 UTCEPSS rescore
  53. 2026-06-21 01:58 UTCEPSS rescore
  54. 2026-06-21 01:58 UTCEPSS rescore
  55. 2026-06-19 19:24 UTCEPSS rescore
  56. 2026-06-19 19:24 UTCEPSS rescore
  57. 2026-06-18 17:51 UTCEPSS rescore
  58. 2026-06-18 15:35 UTCOSV refresh
  59. 2026-06-17 17:51 UTCEPSS rescore
  60. 2026-06-16 17:51 UTCEPSS rescore
  61. 2026-06-16 17:51 UTCEPSS rescore
  62. 2026-06-15 17:47 UTCEPSS rescore
  63. 2026-06-14 23:18 UTCMITRE cvelistV5
  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 14:16 UTCEPSS rescore
  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

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

Frequently asked(5)

What is CVE-2023-53034?
CVE-2023-53034 is a high vulnerability published on April 16, 2025. In the Linux kernel, the following vulnerability has been resolved: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans There is a kernel API ntbmwclear_trans() would pass 0 to both addr and size. This would make xlate_pos negative. [ 23.734156] switchtec switchtec0: MW 0: part 0 addr…
When was CVE-2023-53034 disclosed?
CVE-2023-53034 was first published in the National Vulnerability Database on April 16, 2025, 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-2023-53034 actively exploited?
CVE-2023-53034 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 78.1% of all scored CVEs.
What is the CVSS score of CVE-2023-53034?
CVE-2023-53034 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2023-53034?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-53034, 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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