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Linux Kernel CVE-2026-43111

| EUVD-2026-27633 HIGH
Use After Free (CWE-416)
2026-05-06 Linux GHSA-mv3m-x6qp-j4p5
7.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
May 08, 2026 - 13:27 vuln.today
CVSS changed
May 08, 2026 - 13:22 NVD
7.8 (HIGH)
Patch available
May 06, 2026 - 11:31 EUVD
CVE Published
May 06, 2026 - 07:40 nvd
HIGH 7.8

DescriptionNVD

In the Linux kernel, the following vulnerability has been resolved:

HID: roccat: fix use-after-free in roccat_report_event

roccat_report_event() iterates over the device->readers list without holding the readers_lock. This allows a concurrent roccat_release() to remove and free a reader while it's still being accessed, leading to a use-after-free.

Protect the readers list traversal with the readers_lock mutex.

AnalysisAI

Race condition in Linux kernel HID roccat driver enables local privilege escalation through use-after-free memory corruption. Local authenticated attackers can exploit concurrent access to device reader lists during roccat_report_event() operations, achieving arbitrary code execution with high integrity impact (CVSS 7.8). …

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RemediationAI

Within 24 hours: Identify Linux systems running roccat driver and document kernel versions in use. Within 7 days: Apply vendor-released kernel patches (upgrade to 6.6.136, 6.12.83, 6.18.24, 6.19.14, or 7.0 depending on current branch). …

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Vendor StatusVendor

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CVE-2026-43111 vulnerability details – vuln.today

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