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NVD / CVE Program· CNA Linux

CVE-2026-80609: qede: fix out-of-bounds check for cqe->len_list[]

Noroxi assessment

Priority: Monitor (action score 39/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.73% (FIRST EPSS); higher than 54.5% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to CISA the attack is automatable: targets can be found by mass scanning.
  • Fixed version: Linux Linux 1aacefd074b5dcc99b8dbcd73e1c963ed5010110, 5.15.212, 6.1.178.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 1aacefd074b5dcc99b8dbcd73e1c963ed5010110, 5.15.212, 6.1.178 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

CriticalCVSS 9.8 · v3.1—No exploit Fix available
Published
Aug 28, 2026
Updated
Oct 16, 2026
EPSS
0.7% · 54th percentile
CWE
—

Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Linux
9.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-80609

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • e441db07f208184e0466abf44b389a81d70c340e, 6.18affected
    • ecbb12caf399d7cf364b7553ed5aebeaa2f255bc and later · before 6d203bdd227fca1787f8a80cf84b990936633c5aaffected · git
    • a778912b4a53587ea07d85526d152f85d109cbfe and later · before bd3a6a083b408e96437dbd86ff543ba9ec3a788baffected · git
    • f0923011c1261b33a2ac1de349256d39cb750dd0 and later · before e30af53dca803893a29eb3bbe0539752ba435410affected · git
    • 917a9d02182ac8b4f25eb47dc02f3ec679608c24 and later · before 1aacefd074b5dcc99b8dbcd73e1c963ed5010110affected · git
    • 896f1a2493b59beb2b5ccdf990503dbb16cb2256 and later · before b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcdaffected · git
    • 896f1a2493b59beb2b5ccdf990503dbb16cb2256 and later · before 6d46ab395803f162cdc50e8d346e5f1a4e766771affected · git
    • 896f1a2493b59beb2b5ccdf990503dbb16cb2256 and later · before f9ba47fce5932c15891c89c60e76dfaca919cb8daffected · git
    • 5.15.197 and later · before 5.15.212affected · semver
    • 6.1.159 and later · before 6.1.178affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.180-16.1.180-1
Debian:13linuxbefore 6.12.100-16.12.100-1
Debian:14linuxbefore 7.1.5-17.1.5-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-80606Aug 28, 2026 · drm/xe/userptr: Hold notifier_lock for write on inject test path
    31Monitor
  • ← EarlierCVE-2026-80607Aug 28, 2026 · tracing/probes: Remove WARN_ON_ONCE from parse_btf_arg
    0Monitor
  • Later →CVE-2026-80611Aug 28, 2026 · ACPI: processor_idle: Mark LPI enter functions as __cpuidle
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux1aacefd074b5dcc99b8dbcd73e1c963ed5010110Vendor (CNA)
Linux Linux5.15.212Vendor (CNA)
Linux Linux6.1.178Vendor (CNA)
Linux Linux6.12.97Vendor (CNA)
Linux Linux6.18Vendor (CNA)
Linux Linux6.6.145Vendor (CNA)
Linux Linux6d203bdd227fca1787f8a80cf84b990936633c5aVendor (CNA)
Linux Linux6d46ab395803f162cdc50e8d346e5f1a4e766771Vendor (CNA)
Linux Linuxb17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcdVendor (CNA)
Linux Linuxbd3a6a083b408e96437dbd86ff543ba9ec3a788bVendor (CNA)
Linux Linuxe30af53dca803893a29eb3bbe0539752ba435410Vendor (CNA)
Linux Linuxf9ba47fce5932c15891c89c60e76dfaca919cb8dVendor (CNA)
debian:linux6.1.180-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days+1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. SSVC exploitation— → none
  2. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (6 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records