CVE-2026-97452

HIGHPre-NVD 8.48.4—
EchelonGraph scoreHIGH confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-09-24. A secondary CVSS source baseline 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.4EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 8.4Exploit: None knownExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

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

ACPICA: Prevent adding invalid references

Prevent adding references for local, argument, and debug objects in acpi_ut_copy_simple_object().

CVSS v3
8.4
EG Score
8.4HIGHhigh confidence
EG Risk
42
EG Risk 42/100CISA SSVC

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
Severity84% × 45%
Exploitation0% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
2nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 24, 2026

Last Modified

October 3, 2026

Advisory Details (3)

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

ACPICA: Prevent adding invalid references - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e16d1e5fcb17dfc369e20095f8cf5e841101279e
generic

ACPICA: Prevent adding invalid references - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a6cd2fc2d5429a5b7d5a8b9ba0e6663e8ccbc9ba
generic

ACPICA: Prevent adding invalid references - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6e8c55e13a5e3a9f38921d62924f18ceba3330eb

Vendor Advisories for CVE-2026-97452(2)

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

Affected Packages

(4 across 3 ecosystems)
Debian:12(2)
PackageVulnerable rangeFix by version rangeDependents
linux6.1.106-1 ... 7.2~rc7-1~exp1 (360 versions)
  • every version on: no fix on record
—
linux-6.126.12.100-1~deb12u1, 6.12.101-1~deb12u1, 6.12.107-1~deb12u1
  • every version up to 6.12.111-1~deb12u1: fixed in 6.12.111-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 6.12.96-1 (35 versions)
  • every version up to 6.12.111-1: fixed in 6.12.111-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 7.2~rc7-1~exp1 (179 versions)
  • every version up to 7.2.6-1: fixed in 7.2.6-1
—

Data Freshness Timeline

(refreshed 47× in last 7d / 69× 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. 2026-10-05 06:48 UTCEG score recompute
  2. 2026-10-05 06:48 UTCVendor advisory
  3. 2026-10-05 06:48 UTCGHSA enrichment
  4. 2026-10-04 23:23 UTCEPSS rescore
  5. 2026-10-04 19:59 UTCVendor advisory
  6. 2026-10-04 19:59 UTCGHSA enrichment
  7. 2026-10-04 09:09 UTCVendor advisory
  8. 2026-10-04 09:09 UTCGHSA enrichment
  9. 2026-10-03 22:20 UTCEG score recompute
  10. 2026-10-03 22:20 UTCVendor advisory
  11. 2026-10-03 22:20 UTCGHSA enrichment
  12. 2026-10-03 14:26 UTCEPSS rescore
  13. 2026-10-03 11:31 UTCVendor advisory
  14. 2026-10-03 11:31 UTCGHSA enrichment
  15. 2026-10-03 05:35 UTCVendor advisory
  16. 2026-10-03 05:35 UTCGHSA enrichment
  17. 2026-10-02 18:45 UTCEG score recompute
  18. 2026-10-02 18:45 UTCVendor advisory
  19. 2026-10-02 18:45 UTCGHSA enrichment
  20. 2026-10-02 17:57 UTCEPSS rescore
  21. 2026-10-02 07:53 UTCVendor advisory
  22. 2026-10-02 07:53 UTCGHSA enrichment
  23. 2026-10-01 21:04 UTCEG score recompute
  24. 2026-10-01 21:04 UTCVendor advisory
  25. 2026-10-01 21:04 UTCGHSA enrichment
Show 44 more
  1. 2026-10-01 19:51 UTCEPSS rescore
  2. 2026-10-01 10:15 UTCVendor advisory
  3. 2026-10-01 10:15 UTCGHSA enrichment
  4. 2026-09-30 23:27 UTCEG score recompute
  5. 2026-09-30 23:27 UTCVendor advisory
  6. 2026-09-30 23:26 UTCGHSA enrichment
  7. 2026-09-30 15:04 UTCEPSS rescore
  8. 2026-09-30 12:35 UTCVendor advisory
  9. 2026-09-30 12:35 UTCGHSA enrichment
  10. 2026-09-30 01:44 UTCEG score recompute
  11. 2026-09-30 01:44 UTCVendor advisory
  12. 2026-09-30 01:44 UTCGHSA enrichment
  13. 2026-09-29 14:55 UTCVendor advisory
  14. 2026-09-29 14:55 UTCGHSA enrichment
  15. 2026-09-29 04:07 UTCEG score recompute
  16. 2026-09-29 04:07 UTCVendor advisory
  17. 2026-09-29 04:07 UTCGHSA enrichment
  18. 2026-09-28 17:18 UTCEG score recompute
  19. 2026-09-28 17:18 UTCVendor advisory
  20. 2026-09-28 17:17 UTCGHSA enrichment
  21. 2026-09-28 13:52 UTCEPSS rescore
  22. 2026-09-28 13:52 UTCEPSS rescore
  23. 2026-09-28 06:24 UTCEG score recompute
  24. 2026-09-28 06:24 UTCGHSA enrichment
  25. 2026-09-28 05:48 UTCEG score recompute
  26. 2026-09-28 05:48 UTCGHSA enrichment
  27. 2026-09-27 22:27 UTCEG score recompute
  28. 2026-09-27 22:27 UTCGHSA enrichment
  29. 2026-09-27 13:49 UTCEPSS rescore
  30. 2026-09-27 11:38 UTCGHSA enrichment
  31. 2026-09-27 00:47 UTCEG score recompute
  32. 2026-09-27 00:46 UTCGHSA enrichment
  33. 2026-09-26 15:59 UTCEPSS rescore
  34. 2026-09-26 13:57 UTCGHSA enrichment
  35. 2026-09-26 03:01 UTCEG score recompute
  36. 2026-09-26 03:00 UTCGHSA enrichment
  37. 2026-09-25 16:07 UTCEG score recompute
  38. 2026-09-25 16:07 UTCGHSA enrichment
  39. 2026-09-25 05:17 UTCEG score recompute▲ 8.40
  40. 2026-09-25 05:17 UTCGHSA enrichment
  41. 2026-09-25 05:16 UTCMITRE cvelistV5CVSS v3 → 8.4 · severity → HIGH
  42. 2026-09-24 17:33 UTCNVD update
  43. 2026-09-24 16:28 UTCEG score recompute
  44. 2026-09-24 16:26 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-97452?
CVE-2026-97452 is a high vulnerability published on September 24, 2026. In the Linux kernel, the following vulnerability has been resolved: ACPICA: Prevent adding invalid references Prevent adding references for local, argument, and debug objects in acpiutcopysimpleobject().
When was CVE-2026-97452 disclosed?
CVE-2026-97452 was first published on September 24, 2026, with the most recent update on October 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-97452 actively exploited?
CVE-2026-97452 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-97452?
CVE-2026-97452 has a CVSS base score of 8.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-97452?
No fix for CVE-2026-97452 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-97452 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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