CVE-2023-53626

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-10-07. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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:

ext4: fix possible double unlock when moving a directory

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

October 7, 2025

Last Modified

August 5, 2026

Advisory Details (6)

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

ext4: fix possible double unlock when moving a directory - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e71eb4dca41f0f36823724ced0406bb2dbdd5506
generic

ext4: fix possible double unlock when moving a directory - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990
generic

ext4: fix possible double unlock when moving a directory - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd
generic

ext4: fix possible double unlock when moving a directory - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2
generic

ext4: fix possible double unlock when moving a directory - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c
generic

ext4: fix possible double unlock when moving a directory - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46

Vendor Advisories for CVE-2023-53626(1)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatkernel-0:5.14.0-362.8.1.el9_32023-11-07redhat
linuxKernel @ 5.4.238—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 (25 versions)5.10.178-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.25-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.25-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.25-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 30× 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 156 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2023-53626?
CVE-2023-53626 is a high vulnerability published on October 7, 2025. In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory
When was CVE-2023-53626 disclosed?
CVE-2023-53626 was first published in the National Vulnerability Database on October 7, 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-2023-53626 actively exploited?
CVE-2023-53626 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 87.8% of all scored CVEs.
What is the CVSS score of CVE-2023-53626?
CVE-2023-53626 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2023-53626?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-53626, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-53626

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