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Back to active CVEs
High · CVSS 7.1CVE-2024-35924

usb: typec: ucsi: Limit read size on v1.2CVE-2024-35924

Answer in brief

CVE-2024-35924 records a High severity (CVSS 7.1) vulnerability in usb: typec: ucsi: Limit read size on v1.2. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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 19, 2024Updated Oct 30, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Oct 30, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=bdc62f2bae8fb0e8e99574de5232f0a3c54a27df <266f403ec47573046dee4bcebda82777ce702c40 || >=bdc62f2bae8fb0e8e99574de5232f0a3c54a27df <0defcaa09d3b21e8387829ee3a652c43fa91e13f || >=bdc62f2bae8fb0e8e99574de5232f0a3c54a27df <b3db266fb031fba88c423d4bb8983a73a3db6527266f403ec47573046dee4bcebda82777ce702c40, 0defcaa09d3b21e8387829ee3a652c43fa91e13f, b3db266fb031fba88c423d4bb8983a73a3db6527
Linux/Linuxgeneric5.5Not reported
Linux/Linuxgeneric>=bdc62f2bae8fb0e8e99574de5232f0a3c54a27df <af9bdf05557dc21040df2f11062133dd1e503a09 || >=bdc62f2bae8fb0e8e99574de5232f0a3c54a27df <266f403ec47573046dee4bcebda82777ce702c40 || >=bdc62f2bae8fb0e8e99574de5232f0a3c54a27df <0defcaa09d3b21e8387829ee3a652c43fa91e13f || >=bdc62f2bae8fb0e8e99574de5232f0a3c54a27df <b3db266fb031fba88c423d4bb8983a73a3db6527af9bdf05557dc21040df2f11062133dd1e503a09, 266f403ec47573046dee4bcebda82777ce702c40, 0defcaa09d3b21e8387829ee3a652c43fa91e13f, b3db266fb031fba88c423d4bb8983a73a3db6527

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 266f403ec47573046dee4bcebda82777ce702c40; Linux/Linux to af9bdf05557dc21040df2f11062133dd1e503a09 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 19, 2024

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

  2. Source modified

    Oct 30, 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
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Limit read size on v1.2 Between UCSI 1.2 and UCSI 2.0, the size of the MESSAGE_IN region was increased from 16 to 256. In order to avoid overflowing reads for older systems, add a mechanism to use the read UCSI version to truncate read sizes on UCSI v1.2.

Quoted source text, attributed separately from HOL analysis.

Record context

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