CVE-2026-97455

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: Fix use-after-free in acpi_ds_terminate_control_method()

Fix use-after-free issue in acpi_ds_terminate_control_method() by clearing references to method locals and arguments.

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: Fix use-after-free in acpi_ds_terminate_control_method() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fe7b3d3b7490c2c0119f2d84fa33996dcbc71042
generic

ACPICA: Fix use-after-free in acpi_ds_terminate_control_method() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ef5a8d939c1e5b36e75450bbb5b6348faff4dcf3
generic

ACPICA: Fix use-after-free in acpi_ds_terminate_control_method() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/945e87267cfd90937b3c637f87324cbb56998b72

Vendor Advisories for CVE-2026-97455(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 41× in last 7d / 62× 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 01:52 UTCEG score recompute
  2. 2026-10-05 01:52 UTCVendor advisory
  3. 2026-10-05 01:52 UTCGHSA enrichment
  4. 2026-10-04 23:23 UTCEPSS rescore
  5. 2026-10-04 13:07 UTCVendor advisory
  6. 2026-10-04 13:07 UTCGHSA enrichment
  7. 2026-10-04 00:16 UTCEG score recompute
  8. 2026-10-04 00:16 UTCVendor advisory
  9. 2026-10-04 00:16 UTCGHSA enrichment
  10. 2026-10-03 14:26 UTCEPSS rescore
  11. 2026-10-03 11:31 UTCVendor advisory
  12. 2026-10-03 11:31 UTCGHSA enrichment
  13. 2026-10-03 04:41 UTCEG score recompute
  14. 2026-10-03 04:41 UTCVendor advisory
  15. 2026-10-03 04:40 UTCGHSA enrichment
  16. 2026-10-02 17:57 UTCEPSS rescore
  17. 2026-10-02 15:52 UTCVendor advisory
  18. 2026-10-02 15:52 UTCGHSA enrichment
  19. 2026-10-02 03:07 UTCEG score recompute
  20. 2026-10-02 03:07 UTCVendor advisory
  21. 2026-10-02 03:07 UTCGHSA enrichment
  22. 2026-10-01 19:51 UTCEPSS rescore
  23. 2026-10-01 14:13 UTCVendor advisory
  24. 2026-10-01 14:13 UTCGHSA enrichment
  25. 2026-10-01 01:28 UTCEG score recompute
Show 37 more
  1. 2026-10-01 01:28 UTCVendor advisory
  2. 2026-10-01 01:28 UTCGHSA enrichment
  3. 2026-09-30 15:04 UTCEPSS rescore
  4. 2026-09-30 12:42 UTCVendor advisory
  5. 2026-09-30 12:42 UTCGHSA enrichment
  6. 2026-09-29 23:54 UTCEG score recompute
  7. 2026-09-29 23:54 UTCVendor advisory
  8. 2026-09-29 23:54 UTCGHSA enrichment
  9. 2026-09-29 08:00 UTCEG score recompute
  10. 2026-09-29 08:00 UTCVendor advisory
  11. 2026-09-29 08:00 UTCGHSA enrichment
  12. 2026-09-28 19:15 UTCEG score recompute
  13. 2026-09-28 19:15 UTCVendor advisory
  14. 2026-09-28 19:14 UTCGHSA enrichment
  15. 2026-09-28 13:52 UTCEPSS rescore
  16. 2026-09-28 13:52 UTCEPSS rescore
  17. 2026-09-28 06:24 UTCEG score recompute
  18. 2026-09-28 06:24 UTCGHSA enrichment
  19. 2026-09-28 05:48 UTCEG score recompute
  20. 2026-09-28 05:48 UTCGHSA enrichment
  21. 2026-09-27 21:21 UTCEG score recompute
  22. 2026-09-27 21:21 UTCGHSA enrichment
  23. 2026-09-27 13:49 UTCEPSS rescore
  24. 2026-09-27 08:36 UTCGHSA enrichment
  25. 2026-09-26 19:50 UTCEG score recompute
  26. 2026-09-26 19:50 UTCGHSA enrichment
  27. 2026-09-26 15:59 UTCEPSS rescore
  28. 2026-09-26 07:01 UTCEG score recompute
  29. 2026-09-26 07:01 UTCGHSA enrichment
  30. 2026-09-25 18:15 UTCEG score recompute
  31. 2026-09-25 18:14 UTCGHSA enrichment
  32. 2026-09-25 05:17 UTCEG score recompute▲ 8.40
  33. 2026-09-25 05:17 UTCGHSA enrichment
  34. 2026-09-25 05:16 UTCMITRE cvelistV5CVSS v3 → 8.4 · severity → HIGH
  35. 2026-09-24 17:33 UTCNVD update
  36. 2026-09-24 16:28 UTCEG score recompute
  37. 2026-09-24 16:26 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-97455?
CVE-2026-97455 is a high vulnerability published on September 24, 2026. In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix use-after-free in acpidsterminatecontrolmethod() Fix use-after-free issue in acpidsterminatecontrolmethod() by clearing references to method locals and arguments.
When was CVE-2026-97455 disclosed?
CVE-2026-97455 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-2026-97455 actively exploited?
CVE-2026-97455 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-2026-97455?
CVE-2026-97455 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-2026-97455?
No fix for CVE-2026-97455 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-2026-97455 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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