CVE-2026-80609: qede: fix out-of-bounds check for cqe->len_list[]
- Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
- How likely is exploitation in the next 30 days?
- 0.7%
EPSS score, percentile 54.4 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 9.8 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- from 5.15.197 to before 5.15.212
- from 6.1.159 to before 6.1.178
- from 6.6.118 to before 6.6.145
- from 6.12.60 to before 6.12.97
- 6.18
Unaffected before 6.18; 5.15.212; 6.1.178; 6.6.145; 6.12.97; 6.18.40; and 2 more
Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | from ecbb12caf399 to before 6d203bdd227f |
| Affected | from a778912b4a53 to before bd3a6a083b40 |
| Affected | from f0923011c126 to before e30af53dca80 |
| Affected | from 917a9d02182a to before 1aacefd074b5 |
| Affected | from 896f1a2493b5 to before b17751a2ebc4 |
| Affected | from 896f1a2493b5 to before 6d46ab395803 |
| Affected | from 896f1a2493b5 to before f9ba47fce593 |
| Affected | e441db07f208 |
| Affected | from 5.15.197 to before 5.15.212 |
| Affected | from 6.1.159 to before 6.1.178 |
| Affected | from 6.6.118 to before 6.6.145 |
| Affected | from 6.12.60 to before 6.12.97 |
Versions not listed are: unaffected.
And 1 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | 6.18 |
| Unaffected | before 6.18 |
| Unaffected | 5.15.212 |
| Unaffected | 6.1.178 |
| Unaffected | 6.6.145 |
| Unaffected | 6.12.97 |
| Unaffected | 6.18.40 |
| Unaffected | 7.1.5 |
| Unaffected | 7.2 |
Versions not listed are: affected.
Versions the record lists as unaffected: 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2.
Source: CVE List, as of . About the data.
About this vulnerability
In the Linux kernel, the following vulnerability has been resolved: qede: fix out-of-bounds check for cqe->len_list[] Move index check before element access.
Summary: CVE record, as of .
- CISA has not added CVE-2026-80609 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
- The CVE record was published on 28 Aug 2026.
- The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.7% (percentile 54.4), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
- CISA's SSVC assessment in the CVE record: exploitation none, automatable yes, technical impact total.
Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.
Description
qede: fix out-of-bounds check for cqe->len_list[]
In the Linux kernel, the following vulnerability has been resolved: qede: fix out-of-bounds check for cqe->len_list[] Move index check before element access.
Source: CVE List, as of . About the data.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
7
Known exploited Linux vulnerabilities
- CVE-2026-46300: Linux Kernel Missing Initialization of a Variable Vulnerability
- CVE-2025-39682: Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability
- CVE-2025-39964: Linux Kernel Race Condition Vulnerability
- CVE-2026-53266: Linux Kernel Out-of-Bounds Write Vulnerability
- CVE-2026-53362: Linux Kernel Unspecified Vulnerability