PT-2026-27714 · Linux · Linux Kernel

Published 2026-01-01 · Updated 2026-03-27 · CVE-2026-23349

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel related to HID (Human Interface Device) and PIDFF (Protocol Interface for Force Feedback). The issue involves incorrect clearing of conditional effect bits, leading to potential NULL pointer dereferences as reported by MPDarkGuy on discord. This can occur when not all conditional effect bits are cleared, potentially impacting system stability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-23349

Affected Products

Linux Kernel

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23349.json · Exploit
• https://osv.dev/vulnerability/CVE-2026-23349 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-23349 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-23349 · Vendor Advisory
• https://git.kernel.org/stable/c/ef0e669dbceaf3d7bb4ae0b235fa61feabd92b0b · Patch
• https://ubuntu.com/security/CVE-2026-23349 · Vendor Advisory
• https://git.kernel.org/stable/c/97d5c8f5c09a604c4873c8348f58de3cea69a7df · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-23349 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-23349 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-23349 · Vendor Advisory
• https://git.kernel.org/stable/c/d1edc027a4b0bb4c7a2670b530590b4df6177011 · Patch
• https://git.kernel.org/linus/97d5c8f5c09a604c4873c8348f58de3cea69a7df · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/CVEarity/status/2037568875605397632 · Twitter Post
• https://twitter.com/CVEnew/status/2036763498386952570 · Twitter Post