SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-50302

Linux Kernel Use of Uninitialized Resource Vulnerability

KEVMEDIUM 5.5EPSS 0.81%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 March 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.81% probability · 55th percentile
CISA KEV
Listed 4 March 2025 · due 25 March 2025
Weakness
CWE-908
Affected
google/android · debian/debian linux · siemens/simatic s7-1500 tm mfp firmware · siemens/sinec os · linux/linux kernel
Source
416baaa9-dc9f-4396-8d5f-8c081fb06d67

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://lore.kernel.org/linux-cve-announce/2024111908-CVE-2024-50302-f677@gregkh/ ; https://source.android.com/docs/security/bulletin/2025-03-01 ; https://nvd.nist.gov/vuln/detail/CVE-2024-50302

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.