5.5
MEDIUM CVSS 3.1
CVE-2026-23349
HID: pidff: Fix condition effect bit clearing
Description

In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix condition effect bit clearing As reported by MPDarkGuy on discord, NULL pointer dereferences were happening because not all the conditional effects bits were cleared. Properly clear all conditional effect bits from ffbit

INFO

Published Date :

March 25, 2026, 11:16 a.m.

Last Modified :

April 24, 2026, 6:06 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2026-23349 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
Fix NULL pointer dereferences by clearing all conditional effect bits from ffbit.
  • Apply the patch to clear conditional effect bits.
  • Update the Linux kernel to the latest version.
  • Recompile the kernel with the fix applied.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-23349.

URL Resource
https://git.kernel.org/stable/c/97d5c8f5c09a604c4873c8348f58de3cea69a7df Patch
https://git.kernel.org/stable/c/d1edc027a4b0bb4c7a2670b530590b4df6177011 Patch
https://git.kernel.org/stable/c/ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-23349 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-2026-23349 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-2026-23349 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-23349 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]

    Apr. 24, 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:6.18:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.18.1 up to (excluding) 6.18.17 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 6.19.7 *cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/97d5c8f5c09a604c4873c8348f58de3cea69a7df Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d1edc027a4b0bb4c7a2670b530590b4df6177011 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Mar. 25, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix condition effect bit clearing As reported by MPDarkGuy on discord, NULL pointer dereferences were happening because not all the conditional effects bits were cleared. Properly clear all conditional effect bits from ffbit
    Added Reference https://git.kernel.org/stable/c/97d5c8f5c09a604c4873c8348f58de3cea69a7df
    Added Reference https://git.kernel.org/stable/c/d1edc027a4b0bb4c7a2670b530590b4df6177011
    Added Reference https://git.kernel.org/stable/c/ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b
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.