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Copyright ยฉ 2026 HOL DAO LLC. All rights reserved.

Back to active CVEs
Unknown severity ยท Source severity not reportedCVE-2026-98819

Bluetooth: btintel: validate DDC record lengthsCVE-2026-98819

Answer in brief

CVE-2026-98819 records a Unknown severity vulnerability in Bluetooth: btintel: validate DDC record lengths. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 18, 2026Updated Oct 18, 2026Source checked Oct 18, 2026First seen by HOL Oct 18, 2026Material review Oct 18, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=145f2368c5fd7962e37315ccc092670743019d08 <069031f569f1681f17e863f48c221a6091b47850 || >=145f2368c5fd7962e37315ccc092670743019d08 <b0fce76873a5e6a6820354409b26693ac5f8b251 || >=145f2368c5fd7962e37315ccc092670743019d08 <f3617369fbb30a4d2e54841ab8e92ca4fa211e56 || >=145f2368c5fd7962e37315ccc092670743019d08 <c9c15d4d8956df8c564f7c210e4dc5b9b820d97a069031f569f1681f17e863f48c221a6091b47850, b0fce76873a5e6a6820354409b26693ac5f8b251, f3617369fbb30a4d2e54841ab8e92ca4fa211e56, c9c15d4d8956df8c564f7c210e4dc5b9b820d97a
Linux/Linuxgeneric4.4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 069031f569f1681f17e863f48c221a6091b47850 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 18, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: validate DDC record lengths Parse DDC record lengths in unsigned storage so 0xFF does not wrap. Reject records smaller than the mandatory three-byte header, records exceeding U8_MAX, and records exceeding remaining firmware bytes before issuing Intel_Write_DDC. This issue was reported by Claude Mythos.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • blk-mq: set RQF_USE_SCHED when the operation is knownSame linux/linux package
  • block: reject polled dio with user integrity metadataSame linux/linux package
  • wifi: mac80211: prevent AP VLAN tx from other interfacesSame linux/linux package
  • wifi: cfg80211: preserve hidden-group beacon IE ownershipSame linux/linux package
  • wifi: mac80211: validate TX status rate metadataSame linux/linux package
  • rtc: mpfs: fix unchecked devm_clk_get() error pointer in probe()Same linux/linux package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 18, 2026
References
4 linked sources
Open source record