CVE-2026-45982

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 — 3 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:

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

Cover a missed execution path with a new check.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
3.0%
KEV
Not listed

Published

May 27, 2026

Last Modified

June 16, 2026

Advisory Details (6)

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

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d
generic

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5
generic

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97
generic

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad
generic

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525
generic

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44

Vendor Advisories for CVE-2026-45982(1)

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

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-realtime-hwe-22.04 (6.8.1-1055.56~22.04.1) @ jammy2026-07-12ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1058.61.1) @ noble2026-07-12ubuntu
ubuntulinux-tools-nvidia-tegra-rt-6.8 (6.8.0-1029.30) @ noble2026-07-12ubuntu
ubuntulinux-tools-lowlatency-hwe-20.04-edge (6.8.0-134.134.1) @ noble2026-07-12ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1032.33) @ noble2026-07-12ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2049.50) @ noble2026-07-12ubuntu
ubuntulinux-tools-raspi-6.8 (6.8.0-1060.64) @ noble2026-07-12ubuntu
ubuntulinux-tools-fips-6.8 (6.8.0-134.134+fips1) @ noble2026-07-12ubuntu

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.

All Vendor Advisories

(8)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 42× 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. 2026-07-16 17:03 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-12 05:46 UTCEPSS rescore
  5. 2026-07-12 01:12 UTCVendor advisory
  6. 2026-07-12 01:12 UTCGHSA enrichment
  7. 2026-07-11 08:27 UTCEPSS rescore
  8. 2026-07-09 19:10 UTCEPSS rescore
  9. 2026-07-09 00:19 UTCGHSA enrichment
  10. 2026-07-08 15:16 UTCEPSS rescore
  11. 2026-07-07 13:46 UTCEPSS rescore
  12. 2026-07-06 16:27 UTCEPSS rescore
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-01 15:07 UTCEPSS rescore
  17. 2026-07-01 11:13 UTCGHSA enrichment
  18. 2026-06-29 14:27 UTCGHSA enrichment
  19. 2026-06-29 14:06 UTCEPSS rescore
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-28 14:07 UTCEPSS rescore
  22. 2026-06-28 08:23 UTCGHSA enrichment
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-27 06:08 UTCGHSA enrichment
Show 59 more
  1. 2026-06-27 03:08 UTCEPSS rescore
  2. 2026-06-26 03:49 UTCGHSA enrichment
  3. 2026-06-25 13:49 UTCEPSS rescore
  4. 2026-06-25 01:33 UTCGHSA enrichment
  5. 2026-06-24 14:05 UTCEPSS rescore
  6. 2026-06-23 21:33 UTCEPSS rescore
  7. 2026-06-23 21:33 UTCEPSS rescore
  8. 2026-06-22 14:25 UTCEPSS rescore
  9. 2026-06-22 14:25 UTCEPSS rescore
  10. 2026-06-21 14:56 UTCEPSS rescore
  11. 2026-06-21 14:56 UTCEPSS rescore
  12. 2026-06-21 01:59 UTCEPSS rescore
  13. 2026-06-21 01:59 UTCEPSS rescore
  14. 2026-06-19 19:26 UTCEPSS rescore
  15. 2026-06-19 19:26 UTCEPSS rescore
  16. 2026-06-18 17:52 UTCEPSS rescore
  17. 2026-06-18 17:52 UTCEPSS rescore
  18. 2026-06-18 04:08 UTCGHSA enrichment
  19. 2026-06-17 17:53 UTCEPSS rescore
  20. 2026-06-17 01:52 UTCEG score recompute▲ 5.50
  21. 2026-06-17 01:52 UTCGHSA enrichment
  22. 2026-06-16 17:52 UTCEPSS rescore
  23. 2026-06-16 03:45 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  24. 2026-06-15 17:49 UTCEPSS rescore
  25. 2026-06-13 23:00 UTCEPSS rescore
  26. 2026-06-13 21:01 UTCGHSA enrichment
  27. 2026-06-12 23:12 UTCEPSS rescore
  28. 2026-06-12 23:12 UTCEPSS rescore
  29. 2026-06-11 14:00 UTCEPSS rescore
  30. 2026-06-10 22:18 UTCEPSS rescore
  31. 2026-06-10 16:10 UTCGHSA enrichment
  32. 2026-06-10 13:22 UTCEPSS rescore
  33. 2026-06-10 13:22 UTCEPSS rescore
  34. 2026-06-08 14:17 UTCEPSS rescore
  35. 2026-06-08 14:17 UTCEPSS rescore
  36. 2026-06-07 15:25 UTCEPSS rescore
  37. 2026-06-07 15:25 UTCEPSS rescore
  38. 2026-06-07 11:19 UTCGHSA enrichment
  39. 2026-06-06 13:47 UTCEPSS rescore
  40. 2026-06-06 13:47 UTCEPSS rescore
  41. 2026-06-05 22:47 UTCEPSS rescore
  42. 2026-06-05 06:10 UTCEPSS rescore
  43. 2026-06-05 06:10 UTCEPSS rescore
  44. 2026-06-04 13:12 UTCEPSS rescore
  45. 2026-06-04 13:12 UTCEPSS rescore
  46. 2026-06-04 06:29 UTCGHSA enrichment
  47. 2026-06-02 20:13 UTCEPSS rescore
  48. 2026-06-01 13:52 UTCEPSS rescore
  49. 2026-06-01 13:52 UTCEPSS rescore
  50. 2026-06-01 01:37 UTCGHSA enrichment
  51. 2026-05-31 22:30 UTCEPSS rescore
  52. 2026-05-31 22:30 UTCEPSS rescore
  53. 2026-05-31 00:16 UTCEPSS rescore
  54. 2026-05-31 00:16 UTCEPSS rescore
  55. 2026-05-29 13:44 UTCEPSS rescore
  56. 2026-05-29 13:44 UTCEPSS rescore
  57. 2026-05-28 13:44 UTCEPSS rescore
  58. 2026-05-28 13:44 UTCEPSS rescore
  59. 2026-05-27 14:14 UTCEG score recompute

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-45982?
CVE-2026-45982 is a medium vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix NULL pointer dereference in acpievaddressspacedispatch() Cover a missed execution path with a new check.
When was CVE-2026-45982 disclosed?
CVE-2026-45982 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-2026-45982 actively exploited?
CVE-2026-45982 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45982?
CVE-2026-45982 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-45982?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45982, 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

Explore the affected products and dependency analysis for CVE-2026-45982

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