CVE-2026-45853

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-27. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
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:

drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges()

amdgpu_discovery_get_nps_info() internally allocates memory for ranges using kvcalloc(), which may use vmalloc() for large allocation. Using kfree() to release vmalloc memory will lead to a memory corruption.

Use kvfree() to safely handle both kmalloc and vmalloc allocations.

Compile tested only. Issue found using a prototype static analysis tool and code review.

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
6%
KEV
Not listed

Published

May 27, 2026

Last Modified

June 25, 2026

Advisory Details (4)

Auto-updated Jun 25, 2026
No patch confirmed yet.
generic

drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f441538893eba6347b983f2904819ca6c99da65e
generic

drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5
generic

drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e
generic

drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0c44d61945c4a80775292d96460aa2f22e62f86c

Vendor Advisories for CVE-2026-45853(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 @ 6.12.75—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

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.85-1~bpo12+1 (17 versions)6.12.85-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 6.18~rc7-1~exp1 (103 versions)6.18.14-1—

Weakness Classification(1)

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

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 190 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-45853?
CVE-2026-45853 is a high vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Use kvfree instead of kfree in amdgpugmcgetnpsmemranges() amdgpudiscoverygetnpsinfo() internally allocates memory for ranges using kvcalloc(), which may use vmalloc() for large allocation. Using kfree() to release…
When was CVE-2026-45853 disclosed?
CVE-2026-45853 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45853 actively exploited?
CVE-2026-45853 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 94.0% of all scored CVEs.
What is the CVSS score of CVE-2026-45853?
CVE-2026-45853 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-45853?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45853, 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-2026-45853

Explore →

Is Your Infrastructure Affected by CVE-2026-45853?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs