CVE-2026-93247Hinoki check available

Kernel panic via unlocked Bluetooth UUID state

Published Sep 24, 2026 · Updated Sep 24, 2026

NULL pointer dereference in the Linux kernel Bluetooth management subsystem allows attackers to trigger a kernel panic during discovery. Unsynchronized reads and writes of discovery.uuid_count and discovery.uuids can leave a nonzero count paired with a NULL UUID pointer, which eir_has_uuids dereferences. Reachability requires the documented race between service discovery or filter clearing and device-found processing, and the bounded consequence is a host crash.

CVSS severityUnavailable
Unscored
EPSS probability0.21%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

NULL pointer dereference in the Linux kernel Bluetooth management subsystem allows attackers to trigger a kernel panic during discovery. Unsynchronized reads and writes of discovery.uuid_count and discovery.uuids can leave a nonzero count paired with a NULL UUID pointer, which eir_has_uuids dereferences. Reachability requires the documented race between service discovery or filter clearing and device-found processing, and the bounded consequence is a host crash.

The record

CVE
CVE-2026-93247
Published
Sep 24, 2026
Updated
Sep 24, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16852eccbdfaf41a666705e3f8be55cf2864c5ca <18fda026a13c5abd6c1e0dfd3549f490b73378fb
  2. Affected versionversion=2935e556850e9c94d7a00adf14d3cd7fe406ac03 <59eecbe2f2f38d8f3e1104bd11da97f9a2c58998
  3. Affected versionversion=2935e556850e9c94d7a00adf14d3cd7fe406ac03 <c3f63610bceaa182e4683b23cc47baf36b5f1496
  4. Affected versionversion=2935e556850e9c94d7a00adf14d3cd7fe406ac03 <ee2135a14fb2a3e176149122764d293f0796b1eb
  5. Affected versionversion=6.1.159 <6.1.188
  6. Affected versionversion=6.12.42 <6.12.110
  7. Affected versionversion=6.15.10 <6.16
  8. Affected versionversion=6.16.1 <6.17
  9. Affected versionversion=6.17
  10. Affected versionversion=6.6.117 <6.6.157
  11. Affected versionversion=7ce9bb0b95fc280e9212b8922590c492ca1d9c39 <bbd262d2d750b67b15a5e1008d3848309c87e7a7
  12. Affected versionversion=86f3dcd1f331cfd4fd7ec88906955134ec51afbe <f02c01ccd12cb2b8a290077d4c90f29a6e109b16
  13. Affected versionversion=a351ff6b8ecca4229afaa0d98042bead8de64799
  14. Affected versionversion=f8069f34c4c976786ded97498012225af87435d7

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

The Linux Kernel Organization · Linuxversion=16852eccbdfaf41a666705e3f8be55cf2864c5ca <18fda026a13c5abd6c1e0dfd3549f490b73378fb; version=2935e556850e9c94d7a00adf14d3cd7fe406ac03 <59eecbe2f2f38d8f3e1104bd11da97f9a2c58998; version=2935e556850e9c94d7a00adf14d3cd7fe406ac03 <c3f63610bceaa182e4683b23cc47baf36b5f1496; version=2935e556850e9c94d7a00adf14d3cd7fe406ac03 <ee2135a14fb2a3e176149122764d293f0796b1eb; version=6.1.159 <6.1.188; version=6.12.42 <6.12.110; version=6.15.10 <6.16; version=6.16.1 <6.17; version=6.17; version=6.6.117 <6.6.157; version=7ce9bb0b95fc280e9212b8922590c492ca1d9c39 <bbd262d2d750b67b15a5e1008d3848309c87e7a7; version=86f3dcd1f331cfd4fd7ec88906955134ec51afbe <f02c01ccd12cb2b8a290077d4c90f29a6e109b16; version=a351ff6b8ecca4229afaa0d98042bead8de64799; version=f8069f34c4c976786ded97498012225af87435d7

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

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No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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