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VulnerabilityPublished Updated

CVE-2026-43136: Linux kernel · HID: logitech-hidpp: Check maxfield in hidpp_get_report_length()

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in fb1725c0804dbec9dd01c4cb5c9f1f77a69e36dc : update Linux kernel when convenient.

Data as of 6 Nov 2026, 16:04 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none
CISA SSVC
Exploitation
No evidence of active exploitation and no public proof of concept
Automatable
Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact
Limited control over the software or limited information exposure

CISA SSVC assessment, 2026-11-06.

Patch
Available – fixed in fb1725c0804dbec9dd01c4cb5c9f1f77a69e36dc, f1ceaaf93ea32d0f2b95c95f784ee155962c52ad, b74bf7d0d01fa9b53653f58c29aa00772121f6e9 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ fe3ee1ec007bf7b10d7c02814d4b8fbe7d9bb435, < fb1725c0804dbec9dd01c4cb5c9f1f77a69e36dc
Fixed in
  • fb1725c0804dbec9dd01c4cb5c9f1f77a69e36dc
LinuxLinuxAffected
  • ≥ fe3ee1ec007bf7b10d7c02814d4b8fbe7d9bb435, < f1ceaaf93ea32d0f2b95c95f784ee155962c52ad
Fixed in
  • f1ceaaf93ea32d0f2b95c95f784ee155962c52ad
LinuxLinuxAffected
  • ≥ fe3ee1ec007bf7b10d7c02814d4b8fbe7d9bb435, < b74bf7d0d01fa9b53653f58c29aa00772121f6e9
Fixed in
  • b74bf7d0d01fa9b53653f58c29aa00772121f6e9
LinuxLinuxAffected
  • ≥ fe3ee1ec007bf7b10d7c02814d4b8fbe7d9bb435, < ae81fac9ce81917817d787e6b74e68482d99bdf2
Fixed in
  • ae81fac9ce81917817d787e6b74e68482d99bdf2
LinuxLinuxAffected
  • ≥ fe3ee1ec007bf7b10d7c02814d4b8fbe7d9bb435, < 1547d41f9f19d691c2c9ce4c29f746297baef9e9
Fixed in
  • 1547d41f9f19d691c2c9ce4c29f746297baef9e9
LinuxLinuxAffected
  • ≥ fe3ee1ec007bf7b10d7c02814d4b8fbe7d9bb435, < 7f59999fcd699af06ad2aef446a635ea6aa87db3
Fixed in
  • 7f59999fcd699af06ad2aef446a635ea6aa87db3

AI-suggested

A fix is available and has been applied in the Linux kernel after version 5.2. Users should update their Linux kernel to a version that includes the fix commits referenced. No additional mitigation is indicated by the vendor advisory.

Description

A vulnerability in the Linux kernel's logitech-hidpp driver could cause a kernel crash when processing USB HID report descriptors that define report structures without valid fields. This issue arises because the function hidpp_get_report_length() did not properly check the maximum field count, allowing fake USB gadgets to trigger a crash by sending crafted HID report descriptors.

References

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