CVE-2026-89730

UNRATEDCVSS · not yet scoredTrending — 3 sources updated this week
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EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS v2: —Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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

fpga: altera-cvp: Avoid out-of-bounds read in trailing byte write

The trailing byte path in altera_cvp_send_block() dereferences a u32 pointer even when only 1-3 bytes remain in the input buffer. If the buffer ends at a page or scatterlist boundary, this can read past the valid image data and fault.

Copy the remaining bytes into a zero-initialized u32 before writing the final word so only valid bytes are read from the input buffer.

CVSS v3
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EchelonGraph score
Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
EG Score
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EG Risk
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EPSS PROB
0.2%
EPSS %ILE
11th
KEV
Not listed

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). Where an input reads “CISA's BOD 26-04 default”, no one has published it for this CVE, and CISA's implementation guidance says: “If “Automatable” and “Technical Impact” information items about a CVE ID are not available and the CVE ID is not in the KEV Catalog, CISA will treat its values as “no” and “total,” respectively, until CISA or a third party provides metadata about the CVE ID. CISA will always provide the Vulnrichment data for a CVE ID listed in the KEV Catalog.” Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 11, 2026

Last Modified

September 14, 2026

Vendor Advisories for CVE-2026-89730(1)

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
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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
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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
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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
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Data Freshness Timeline

(refreshed 13× in last 7d / 44× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 1 repeat row among the latest 50 is merged into the row it repeats.

  1. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  2. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  3. 2026-10-12 14:48 UTCEG score recompute
  4. 2026-10-11 19:15 UTCEG score recompute
  5. 2026-10-11 16:31 UTCEG score recompute
  6. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  7. 2026-10-11 13:47 UTCEG score recompute
  8. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  9. 2026-10-10 07:49 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  10. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  11. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  12. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  13. 2026-10-07 10:41 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  14. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  15. 2026-10-05 17:44 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  16. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  17. 2026-10-04 14:02 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  18. 2026-10-01 19:51 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  19. 2026-10-01 17:25 UTCEG score recompute
  20. 2026-10-01 17:25 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  21. 2026-09-30 15:04 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  22. 2026-09-28 20:49 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  23. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  24. 2026-09-27 13:49 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  25. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.2% · 11th percentile
Show 24 more
  1. 2026-09-26 00:12 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  2. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  3. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  4. 2026-09-23 03:36 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  5. 2026-09-22 16:01 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  6. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  7. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  8. 2026-09-20 06:59 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  9. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  10. 2026-09-17 19:32 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  11. 2026-09-17 10:07 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  12. 2026-09-16 14:09 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  13. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  14. 2026-09-15 03:12 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  15. 2026-09-14 13:30 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  16. 2026-09-14 13:28 UTCNVD update
  17. 2026-09-14 12:25 UTCEG score recompute
  18. 2026-09-14 12:25 UTCGHSA enrichmentGHSA-f682-7h79-jmqf
  19. 2026-09-14 12:24 UTCMITRE cvelistV5
  20. 2026-09-13 16:48 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  21. 2026-09-12 15:02 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  22. 2026-09-11 20:36 UTCNVD update
  23. 2026-09-11 19:54 UTCEG score recompute
  24. 2026-09-11 19:53 UTCMITRE cvelistV5first tracked

Frequently asked(4)

What is CVE-2026-89730?
CVE-2026-89730 is a vulnerability whose severity is not yet rated; its CVE record was published on September 11, 2026. In the Linux kernel, the following vulnerability has been resolved: fpga: altera-cvp: Avoid out-of-bounds read in trailing byte write The trailing byte path in alteracvpsend_block() dereferences a u32 pointer even when only 1-3 bytes remain in the input buffer. If the buffer ends at a page or…
When was the CVE record for CVE-2026-89730 published?
The CVE record for CVE-2026-89730 was published on September 11, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of September 14, 2026; the record at its source may have been updated since.
Is CVE-2026-89730 actively exploited?
CVE-2026-89730 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (11th percentile of EPSS-scored CVEs).
How do I remediate CVE-2026-89730?
A fix for CVE-2026-89730 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-89730 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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