CVE-2026-45986

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-05-27. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

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

crypto: ccree - fix a memory leak in cc_mac_digest()

Add cc_unmap_result() if cc_map_hash_request_final() fails to prevent potential memory leak.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
2.4%
KEV
Not listed

Published

May 27, 2026

Last Modified

June 16, 2026

Advisory Details (8)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f53458c7c756b3e0838d51cf1e9f41b25079801a
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/910f335786a0a0f0b46c3c8c19a13d25cb4454b6
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7cd17993adb8a5d14a7e84d751316a5fdf0c251f
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7c21d58fcd6ad8e15a539347254093c93224a8b2
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/502440c235fe34cee02b24d7f893841f7565b3bc
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3061c9bfb3f5b3522ab174e2fa7473b24422d1c6
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/22f1dd4ca3bfe77db52cc7df3cc353dc114aab8b
generic

crypto: ccree - fix a memory leak in cc_mac_digest() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/02c64052fad03699b9c6d1df2f9b444d17e4ac50

Vendor Advisories for CVE-2026-45986(2)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-27.27) @ resolute2026-07-11ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1008.8) @ resolute2026-07-11ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1014.14) @ resolute2026-07-11ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1013.13) @ resolute2026-07-11ubuntu

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

(4)

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 10× in last 7d / 59× 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.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 06:13 UTCEPSS rescore
  5. 2026-07-12 05:46 UTCEPSS rescore
  6. 2026-07-11 23:58 UTCEG score recompute
  7. 2026-07-11 23:58 UTCVendor advisory
  8. 2026-07-11 23:58 UTCGHSA enrichment
  9. 2026-07-11 08:27 UTCEPSS rescore
  10. 2026-07-09 19:10 UTCEPSS rescore
  11. 2026-07-09 00:16 UTCEG score recompute
  12. 2026-07-09 00:16 UTCVendor advisory
  13. 2026-07-09 00:16 UTCGHSA enrichment
  14. 2026-07-08 15:16 UTCEPSS rescore
  15. 2026-07-07 13:46 UTCEPSS rescore
  16. 2026-07-06 16:27 UTCEPSS rescore
  17. 2026-07-06 02:23 UTCEPSS rescore
  18. 2026-07-05 02:30 UTCEPSS rescore
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-01 11:11 UTCEG score recompute
  21. 2026-07-01 11:11 UTCVendor advisory
  22. 2026-07-01 11:11 UTCGHSA enrichment
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-29 14:26 UTCEG score recompute
  25. 2026-06-29 14:26 UTCVendor advisory
Show 75 more
  1. 2026-06-29 14:26 UTCGHSA enrichment
  2. 2026-06-29 14:06 UTCEPSS rescore
  3. 2026-06-29 14:06 UTCEPSS rescore
  4. 2026-06-28 14:07 UTCEPSS rescore
  5. 2026-06-28 06:44 UTCEG score recompute
  6. 2026-06-28 06:44 UTCVendor advisory
  7. 2026-06-28 06:44 UTCGHSA enrichment
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-28 04:56 UTCEPSS rescore
  10. 2026-06-27 06:06 UTCEG score recompute
  11. 2026-06-27 06:06 UTCVendor advisory
  12. 2026-06-27 06:06 UTCGHSA enrichment
  13. 2026-06-27 03:08 UTCEPSS rescore
  14. 2026-06-26 02:34 UTCEG score recompute
  15. 2026-06-26 02:34 UTCVendor advisory
  16. 2026-06-26 02:34 UTCGHSA enrichment
  17. 2026-06-25 13:49 UTCEPSS rescore
  18. 2026-06-25 01:31 UTCEG score recompute
  19. 2026-06-25 01:31 UTCVendor advisory
  20. 2026-06-25 01:31 UTCGHSA enrichment
  21. 2026-06-22 14:25 UTCEPSS rescore
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 14:56 UTCEPSS rescore
  25. 2026-06-21 01:59 UTCEPSS rescore
  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-19 19:26 UTCEPSS rescore
  28. 2026-06-19 19:26 UTCEPSS rescore
  29. 2026-06-18 17:52 UTCEPSS rescore
  30. 2026-06-18 17:52 UTCEPSS rescore
  31. 2026-06-17 19:57 UTCEG score recompute▲ 5.50
  32. 2026-06-17 19:57 UTCGHSA enrichment
  33. 2026-06-17 17:53 UTCEPSS rescore
  34. 2026-06-16 17:52 UTCEPSS rescore
  35. 2026-06-16 14:16 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  36. 2026-06-15 17:49 UTCEPSS rescore
  37. 2026-06-15 00:55 UTCVendor advisory
  38. 2026-06-15 00:55 UTCGHSA enrichment
  39. 2026-06-14 23:28 UTCMITRE cvelistV5
  40. 2026-06-13 23:00 UTCEPSS rescore
  41. 2026-06-12 23:12 UTCEPSS rescore
  42. 2026-06-12 23:12 UTCEPSS rescore
  43. 2026-06-12 05:45 UTCGHSA enrichment
  44. 2026-06-11 14:00 UTCEPSS rescore
  45. 2026-06-10 22:18 UTCEPSS rescore
  46. 2026-06-10 13:22 UTCEPSS rescore
  47. 2026-06-10 13:22 UTCEPSS rescore
  48. 2026-06-09 10:43 UTCGHSA enrichment
  49. 2026-06-08 14:17 UTCEPSS rescore
  50. 2026-06-08 14:17 UTCEPSS rescore
  51. 2026-06-07 15:25 UTCEPSS rescore
  52. 2026-06-07 15:25 UTCEPSS rescore
  53. 2026-06-06 15:41 UTCGHSA enrichment
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-06 13:47 UTCEPSS rescore
  56. 2026-06-05 22:47 UTCEPSS rescore
  57. 2026-06-05 06:10 UTCEPSS rescore
  58. 2026-06-05 06:10 UTCEPSS rescore
  59. 2026-06-04 13:12 UTCEPSS rescore
  60. 2026-06-04 13:12 UTCEPSS rescore
  61. 2026-06-03 20:39 UTCGHSA enrichment
  62. 2026-06-02 20:13 UTCEPSS rescore
  63. 2026-06-01 13:52 UTCEPSS rescore
  64. 2026-06-01 13:52 UTCEPSS rescore
  65. 2026-06-01 01:36 UTCEG score recompute
  66. 2026-06-01 01:36 UTCGHSA enrichment
  67. 2026-05-31 22:30 UTCEPSS rescore
  68. 2026-05-31 22:30 UTCEPSS rescore
  69. 2026-05-31 00:16 UTCEPSS rescore
  70. 2026-05-31 00:16 UTCEPSS rescore
  71. 2026-05-29 13:44 UTCEPSS rescore
  72. 2026-05-29 13:44 UTCEPSS rescore
  73. 2026-05-28 13:44 UTCEPSS rescore
  74. 2026-05-28 13:44 UTCEPSS rescore
  75. 2026-05-27 14:13 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-45986?
CVE-2026-45986 is a medium vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - fix a memory leak in ccmacdigest() Add ccunmapresult() if ccmaphashrequestfinal() fails to prevent potential memory leak.
When was CVE-2026-45986 disclosed?
CVE-2026-45986 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45986 actively exploited?
CVE-2026-45986 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45986?
CVE-2026-45986 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-45986?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45986, 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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