CVE-2026-63873

UNRATEDCVSS · not yet scored
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EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS v2: —Exploit: 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:

accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()

aie2_populate_range() jumps back to the again label without calling mmput(mm), leaking a reference to the mm_struct.

Add the missing mmput() before jumping to again.

CVSS v3
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EchelonGraph score
Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
EG Score
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EG Risk
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EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

July 19, 2026

Last Modified

July 27, 2026

References (3)

Vendor Advisories for CVE-2026-63873(1)

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

Affected Packages

(1 across 1 ecosystem)
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (142 versions)7.0.13-1—

Data Freshness Timeline

(refreshed 8× in last 7d / 35× 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 161 total refreshes for this CVE.

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

Frequently asked(4)

What is CVE-2026-63873?
CVE-2026-63873 is a publicly disclosed vulnerability published on July 19, 2026. In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix mmstruct reference leak in aie2populate_range() aie2populaterange() jumps back to the again label without calling mmput(mm), leaking a reference to the mm_struct. Add the missing mmput() before jumping to again.
When was CVE-2026-63873 disclosed?
CVE-2026-63873 was first published in the National Vulnerability Database on July 19, 2026, with the most recent update on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63873 actively exploited?
CVE-2026-63873 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 89.3% of all scored CVEs.
How do I remediate CVE-2026-63873?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63873, 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.

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