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[ CVE-2024-50302 · Published 19 Nov 2024 ]

Linux Kernel Use of Uninitialized Resource Vulnerability

Exploited · CISA KEV CVSS 5.5 EPSS <1%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-03-04

[ Description ]Official description

In the Linux kernel, the following vulnerability has been resolved: HID: core: zero-initialize the report buffer Since the report buffer is used by all kinds of drivers in various ways, let's zero-initialize it during allocation to make sure that it can't be ever used to leak kernel memory via specially-crafted report.

CISA: The Linux kernel contains a use of uninitialized resource vulnerability that allows an attacker to leak kernel memory via a specially crafted HID report.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 25 Mar 2025): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

[ References ]References