5.5
MEDIUM CVSS 3.1
CVE-2026-43251
HID: prodikeys: Check presence of pm->input_ep82
Description

In the Linux kernel, the following vulnerability has been resolved: HID: prodikeys: Check presence of pm->input_ep82 Fake USB devices can send their own report descriptors for which the input_mapping() hook does not get called. In this case, pm->input_ep82 stays NULL, which leads to a crash later. This does not happen with the real device, but can be provoked by imposing as one.

INFO

Published Date :

May 6, 2026, 12:16 p.m.

Last Modified :

May 11, 2026, 6:51 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2026-43251 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Update the Linux kernel to resolve the HID driver vulnerability.
  • Update the Linux kernel.
  • Apply the "HID: prodikeys: Check presence of pm->input_ep82" patch.
  • Reboot the system after applying updates.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-43251 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-43251 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-43251 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-43251 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    May. 11, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.128 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.75 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.16 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 6.19.6 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.202 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.165 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.35 up to (excluding) 5.10.252
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3f1b21cc67a15d7d081378a9b8747dd000a017b8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/cee8337e1bad168136aecfe6416ecd7d3aa7529a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d08f35f843881ec504d7537a9bb728a073db3366 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d5512ce892f774d37c53082adadfcad04f21b50e Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e7ac1cd823cd2e9fcbd5cb0b261d6d35dbb79341 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/edccbf7d6dc05d692bde3a89de5a4001f72a0fa4 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ee572578f09f0e743e9383393a75c3a7a0f9b4c2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f580c79683356632f12f2c2029f2fe936d953aa1 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 06, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: HID: prodikeys: Check presence of pm->input_ep82 Fake USB devices can send their own report descriptors for which the input_mapping() hook does not get called. In this case, pm->input_ep82 stays NULL, which leads to a crash later. This does not happen with the real device, but can be provoked by imposing as one.
    Added Reference https://git.kernel.org/stable/c/3f1b21cc67a15d7d081378a9b8747dd000a017b8
    Added Reference https://git.kernel.org/stable/c/cee8337e1bad168136aecfe6416ecd7d3aa7529a
    Added Reference https://git.kernel.org/stable/c/d08f35f843881ec504d7537a9bb728a073db3366
    Added Reference https://git.kernel.org/stable/c/d5512ce892f774d37c53082adadfcad04f21b50e
    Added Reference https://git.kernel.org/stable/c/e7ac1cd823cd2e9fcbd5cb0b261d6d35dbb79341
    Added Reference https://git.kernel.org/stable/c/edccbf7d6dc05d692bde3a89de5a4001f72a0fa4
    Added Reference https://git.kernel.org/stable/c/ee572578f09f0e743e9383393a75c3a7a0f9b4c2
    Added Reference https://git.kernel.org/stable/c/f580c79683356632f12f2c2029f2fe936d953aa1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.