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Back to active CVEs
High · CVSS 8.8CVE-2024-35856

Bluetooth: btusb: mediatek: Fix double free of skb in coredumpCVE-2024-35856

Answer in brief

CVE-2024-35856 records a High severity (CVSS 8.8) vulnerability in Bluetooth: btusb: mediatek: Fix double free of skb in coredump. 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 May 17, 2024Updated Aug 5, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Aug 5, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 8.8. 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>=0b70151328781a89c89e4cf3fae21fc0e98d869e <80dfef128cb9f1b1ef67c0fe8c8deb4ea7ad30c1 || >=0b70151328781a89c89e4cf3fae21fc0e98d869e <e20093c741d8da9f6390dd45d75b779861547035 || >=0b70151328781a89c89e4cf3fae21fc0e98d869e <18bdb386a1a30e7a3d7732a98e45e69cf6b5710d80dfef128cb9f1b1ef67c0fe8c8deb4ea7ad30c1, e20093c741d8da9f6390dd45d75b779861547035, 18bdb386a1a30e7a3d7732a98e45e69cf6b5710d
Linux/Linuxgeneric6.6Not 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 80dfef128cb9f1b1ef67c0fe8c8deb4ea7ad30c1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 17, 2024

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

  2. Source modified

    Aug 5, 2026

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

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • 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: btusb: mediatek: Fix double free of skb in coredump hci_devcd_append() would free the skb on error so the caller don't have to free it again otherwise it would cause the double free of skb. Reported-by : Dan Carpenter <[email protected]>

Quoted source text, attributed separately from HOL analysis.

Record context

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