PT-2026-27747 · Linux · Linux Kernel

Published 2026-01-01 · Updated 2026-04-20 · CVE-2026-23382

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 The Linux kernel contains a flaw where raw event callbacks could occur even for a HID device that had not been claimed, potentially causing a crash if a broken device were connected. The issue was addressed by adding HID CLAIMED INPUT guards in raw event callbacks.

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-2026-23382

ECHO-8158-675D-0239

SUSE-SU-2026:1668-1

Affected Products

Linux Kernel

References · 23

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23382.json · Exploit
• https://osv.dev/vulnerability/BELL-CVE-2026-23382 · Vendor Advisory
• https://git.kernel.org/stable/c/ecfa6f34492c493a9a1dc2900f3edeb01c79946b · Patch
• https://git.kernel.org/stable/c/20864e3e41c74cda253a9fa6b6fe093c1461a6a9 · Patch
• https://ubuntu.com/security/CVE-2026-23382 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-23382 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-23382 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2026-23382 · Vendor Advisory
• https://git.kernel.org/stable/c/6e330889e6c8db99f04d4feb861d23de4e8fbb13 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-23382 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-23382 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-23382 · Security Note
• https://git.kernel.org/stable/c/b48284d7f0f76023b215a3409cdc989b5081eadf · Patch
• https://git.kernel.org/stable/c/de316c1edf15bc30ff5e0d4c7b37c70fd41cf319 · Patch
• https://git.kernel.org/stable/c/892dbaf46bb738dacf1fa663eadb3712c85868f0 · Patch