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NVD / CVE Program· CNA Linux

CVE-2026-92498: wifi: ath6kl: avoid buffer overreads in WMI event handlers

Noroxi assessment

Priority: Monitor (action score 0/100)

  • 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: 0.17% (FIRST EPSS).
  • Fixed version: Linux Linux 144fe0b0fa8f311ebe29ef16c8239bf6a24addc0, 2f3635213ecf52ff943f01645f895cb39db8f0dc, 41159d392c3adedc093a8d80521037b72350f606.

Low priority for now. Upgrade to Linux Linux 144fe0b0fa8f311ebe29ef16c8239bf6a24addc0, 2f3635213ecf52ff943f01645f895cb39db8f0dc, 41159d392c3adedc093a8d80521037b72350f606 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: wifi: ath6kl: avoid buffer overreads in WMI event handlers The following WMI event handlers currently read from the event buffer without first verifying that the message was large enough to hold the expected event: ath6kl_wmi_scan_complete_rx() ath6kl_wmi_addba_req_event_rx() ath6kl_wmi_delba_req_event_rx() Add length checks to prevent overread.

—No exploit Fix available
Published
Sep 17, 2026
Updated
Oct 19, 2026
EPSS
0.1% · 7th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

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

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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

    • 3.2affected
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before 144fe0b0fa8f311ebe29ef16c8239bf6a24addc0affected · git
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before a2de3fb4f83a525e95a86a683f0ff105b9b5785baffected · git
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before d1d2ac5f5b1609a05c455d0aed12904b0985530daffected · git
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before ea2a77682f9f984bc9a45a00b7d1aa198503c2feaffected · git
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before 41159d392c3adedc093a8d80521037b72350f606affected · git
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before abda58f4529d7eebb6ef82e2d266dabc17507faaaffected · git
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before 2f3635213ecf52ff943f01645f895cb39db8f0dcaffected · git
    • bdcd81707973cf8aa9305337166f8ee842a050d4 and later · before f57314aade9d74d30f3360ec5ef85a83654748beaffected · git
    • before 3.2not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.190-16.1.190-1
Debian:12linux-6.12before 6.12.111-1~deb12u16.12.111-1~deb12u1
Debian:13linuxbefore 6.12.111-16.12.111-1
Debian:14linuxbefore 7.2.6-17.2.6-1

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-2026-92496Sep 17, 2026 · wifi: ath11k: Avoid buffer overread in ath11k_wmi_tlv_op_rx()
    0Monitor
  • ← EarlierCVE-2026-92497Sep 17, 2026 · wifi: ath12k: Avoid buffer overread in ath12k_wmi_op_rx()
    0Monitor
  • Later →CVE-2026-92499Sep 17, 2026 · ext4: validate readdir offset before accessing dirent
    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 Linux144fe0b0fa8f311ebe29ef16c8239bf6a24addc0Vendor (CNA)
Linux Linux2f3635213ecf52ff943f01645f895cb39db8f0dcVendor (CNA)
Linux Linux41159d392c3adedc093a8d80521037b72350f606Vendor (CNA)
Linux Linuxa2de3fb4f83a525e95a86a683f0ff105b9b5785bVendor (CNA)
Linux Linuxabda58f4529d7eebb6ef82e2d266dabc17507faaVendor (CNA)
Linux Linuxd1d2ac5f5b1609a05c455d0aed12904b0985530dVendor (CNA)
Linux Linuxea2a77682f9f984bc9a45a00b7d1aa198503c2feVendor (CNA)
Linux Linuxf57314aade9d74d30f3360ec5ef85a83654748beVendor (CNA)
debian:linux6.1.190-1 · Debian:12Package registry (OSV)
debian:linux6.12.111-1 · Debian:13Package registry (OSV)
debian:linux-6.126.12.111-1~deb12u1 · 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

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).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

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. Fix✗ → ✓

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References

Show all references (7 more)

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

All records