CVE-2023-54063

HIGHPre-NVD 7.87.8
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-12-24. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
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

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:

fs/ntfs3: Fix OOB read in indx_insert_into_buffer

Syzbot reported a OOB read bug:

BUG: KASAN: slab-out-of-bounds in indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 Read of size 17168 at addr ffff8880255e06c0 by task syz-executor308/3630

Call Trace: memmove+0x25/0x60 mm/kasan/shadow.c:54 indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 indx_insert_entry+0x446/0x6b0 fs/ntfs3/index.c:1863 ntfs_create_inode+0x1d3f/0x35c0 fs/ntfs3/inode.c:1548 ntfs_create+0x3e/0x60 fs/ntfs3/namei.c:100 lookup_open fs/namei.c:3413 [inline]

If the member struct INDEX_BUFFER *index of struct indx_node is incorrect, that is, the value of __le32 used is greater than the value of __le32 total in struct INDEX_HDR. Therefore, OOB read occurs when memmove is called in indx_insert_into_buffer(). Fix this by adding a check in hdr_find_e().

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
9%
KEV
Not listed

Published

December 24, 2025

Last Modified

August 5, 2026

Advisory Details (5)

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

fs/ntfs3: Fix OOB read in indx_insert_into_buffer - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cd7e1d67924081717c5c96ead758a1a77867689a
generic

fs/ntfs3: Fix OOB read in indx_insert_into_buffer - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b8c44949044e5f7f864525fdffe8e95135ce9ce5
generic

fs/ntfs3: Fix OOB read in indx_insert_into_buffer - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a7e5dba10ba1402dd6c2f961a70320770865c4a5
generic

fs/ntfs3: Fix OOB read in indx_insert_into_buffer - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4bf3b564e27a518f158a83d5e1a50064ed6136a0
generic

fs/ntfs3: Fix OOB read in indx_insert_into_buffer - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/17048287ac79abd33b275ac3b5738285d406481b

Vendor Advisories for CVE-2023-54063(1)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 5.15.111osv

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 rangeFixed inDependents
linux6.1.27-16.1.37-1
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.3.7-1
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.3.7-1

Data Freshness Timeline

(refreshed 6× in last 7d / 28× 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 185 total refreshes for this CVE.

  1. 2026-09-20 20:14 UTCEPSS rescore
  2. 2026-09-20 20:14 UTCEPSS rescore
  3. 2026-09-18 19:26 UTCEPSS rescore
  4. 2026-09-16 14:06 UTCEPSS rescore
  5. 2026-09-16 05:11 UTCEPSS rescore
  6. 2026-09-16 05:11 UTCEPSS rescore
  7. 2026-09-15 03:08 UTCEPSS rescore
  8. 2026-09-14 05:49 UTCOSV refresh
  9. 2026-09-13 16:45 UTCEPSS rescore
  10. 2026-09-12 14:58 UTCEPSS rescore
  11. 2026-09-11 14:51 UTCEPSS rescore
  12. 2026-09-11 09:34 UTCEPSS rescore
  13. 2026-09-08 21:58 UTCEPSS rescore
  14. 2026-09-07 15:59 UTCEPSS rescore
  15. 2026-09-06 13:46 UTCEPSS rescore
  16. 2026-09-05 15:26 UTCEPSS rescore
  17. 2026-09-04 13:58 UTCEPSS rescore
  18. 2026-09-04 05:04 UTCEPSS rescore
  19. 2026-09-02 14:10 UTCEPSS rescore
  20. 2026-09-01 13:52 UTCEPSS rescore
  21. 2026-09-01 04:36 UTCEPSS rescore
  22. 2026-08-30 19:15 UTCEPSS rescore
  23. 2026-08-30 01:20 UTCEPSS rescore
  24. 2026-08-28 21:39 UTCEPSS rescore
  25. 2026-08-27 14:23 UTCEPSS rescore
Show 75 more
  1. 2026-08-26 14:44 UTCEPSS rescore
  2. 2026-08-26 06:43 UTCOSV refresh
  3. 2026-08-25 13:47 UTCEPSS rescore
  4. 2026-08-21 23:47 UTCEPSS rescore
  5. 2026-08-20 22:53 UTCEPSS rescore
  6. 2026-08-19 17:02 UTCEPSS rescore
  7. 2026-08-16 14:54 UTCEPSS rescore
  8. 2026-08-16 02:12 UTCEPSS rescore
  9. 2026-08-15 01:28 UTCEPSS rescore
  10. 2026-08-13 21:58 UTCEPSS rescore
  11. 2026-08-12 13:49 UTCEPSS rescore
  12. 2026-08-11 13:40 UTCEPSS rescore
  13. 2026-08-10 23:58 UTCEPSS rescore
  14. 2026-08-09 22:48 UTCEG score recompute
  15. 2026-08-09 22:48 UTCGHSA enrichment
  16. 2026-08-09 13:44 UTCEPSS rescore
  17. 2026-08-08 05:27 UTCEG score recompute
  18. 2026-08-08 05:27 UTCGHSA enrichment
  19. 2026-08-07 16:25 UTCEPSS rescore
  20. 2026-08-06 13:45 UTCEPSS rescore
  21. 2026-08-06 07:11 UTCEG score recompute
  22. 2026-08-06 07:11 UTCGHSA enrichment
  23. 2026-08-05 19:15 UTCEPSS rescore
  24. 2026-08-05 19:15 UTCEPSS rescore
  25. 2026-08-05 10:15 UTCEG score recompute
  26. 2026-08-05 10:15 UTCGHSA enrichment
  27. 2026-08-04 10:50 UTCEG score recompute
  28. 2026-08-04 10:50 UTCGHSA enrichment
  29. 2026-08-04 10:36 UTCEPSS rescore
  30. 2026-08-04 09:25 UTCEG score recompute 7.80
  31. 2026-08-04 09:24 UTCGHSA enrichment
  32. 2026-08-04 09:20 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  33. 2026-08-03 10:34 UTCEPSS rescore
  34. 2026-08-02 02:25 UTCEPSS rescore
  35. 2026-08-02 02:25 UTCEPSS rescore
  36. 2026-08-01 04:14 UTCEPSS rescore
  37. 2026-07-30 16:26 UTCEPSS rescore
  38. 2026-07-30 01:29 UTCEPSS rescore
  39. 2026-07-28 15:34 UTCEPSS rescore
  40. 2026-07-28 15:34 UTCEPSS rescore
  41. 2026-07-27 03:39 UTCOSV refresh
  42. 2026-07-26 14:53 UTCEPSS rescore
  43. 2026-07-25 14:16 UTCEPSS rescore
  44. 2026-07-24 14:16 UTCEPSS rescore
  45. 2026-07-23 14:16 UTCEPSS rescore
  46. 2026-07-23 02:30 UTCEG score recompute
  47. 2026-07-22 23:16 UTCEG score recompute
  48. 2026-07-22 14:07 UTCEPSS rescore
  49. 2026-07-22 14:07 UTCEPSS rescore
  50. 2026-07-21 15:23 UTCEPSS rescore
  51. 2026-07-20 17:06 UTCEPSS rescore
  52. 2026-07-19 14:30 UTCEPSS rescore
  53. 2026-07-19 14:29 UTCEPSS rescore
  54. 2026-07-19 02:27 UTCEPSS rescore
  55. 2026-07-19 02:27 UTCEPSS rescore
  56. 2026-07-18 10:03 UTCEPSS rescore
  57. 2026-07-18 10:03 UTCEPSS rescore
  58. 2026-07-16 17:01 UTCEPSS rescore
  59. 2026-07-15 16:56 UTCEPSS rescore
  60. 2026-07-15 01:59 UTCEPSS rescore
  61. 2026-07-15 01:59 UTCEPSS rescore
  62. 2026-07-13 22:28 UTCEPSS rescore
  63. 2026-07-13 22:28 UTCEPSS rescore
  64. 2026-07-13 06:11 UTCEPSS rescore
  65. 2026-07-12 05:45 UTCEPSS rescore
  66. 2026-07-12 05:45 UTCEPSS rescore
  67. 2026-07-09 22:17 UTCOSV refresh
  68. 2026-07-09 19:08 UTCEPSS rescore
  69. 2026-07-08 15:13 UTCEPSS rescore
  70. 2026-07-07 13:45 UTCEPSS rescore
  71. 2026-07-07 13:44 UTCEPSS rescore
  72. 2026-07-06 16:26 UTCEPSS rescore
  73. 2026-07-06 16:26 UTCEPSS rescore
  74. 2026-07-06 02:22 UTCEPSS rescore
  75. 2026-07-06 02:22 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-54063?
CVE-2023-54063 is a high vulnerability published on December 24, 2025. In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix OOB read in indxinsertinto_buffer Syzbot reported a OOB read bug: BUG: KASAN: slab-out-of-bounds in indxinsertinto_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 Read of size 17168 at addr ffff8880255e06c0 by task…
When was CVE-2023-54063 disclosed?
CVE-2023-54063 was first published in the National Vulnerability Database on December 24, 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-2023-54063 actively exploited?
CVE-2023-54063 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 90.6% of all scored CVEs.
What is the CVSS score of CVE-2023-54063?
CVE-2023-54063 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2023-54063?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-54063, 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-2023-54063

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