CVE-2026-43251
kernel: HID: prodikeys: Check presence of pm->input_ep82
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 6, 2026
Updated · July 3, 2026
Description
A flaw was found in the Linux kernel's Human Interface Device (HID) prodikeys driver. A local attacker can exploit this vulnerability by connecting a specially crafted Universal Serial Bus (USB) device. This device can send a malicious report descriptor, bypassing a necessary check and causing a null pointer dereference. This issue can lead to a system crash, resulting in a Denial of Service (DoS).
Statement
Red Hat acknowledges the upstream Linux kernel correction for «HID» as described in COMMENT_ZERO. Fixes are delivered through standard kernel errata for supported products. Operational exposure depends on whether this subsystem or driver is active in your configuration.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference