CVE-2026-43048: HID: core: Mitigate potential OOB by removing bogus memset()

Published May 1, 2026
·
Updated

HID: core: Mitigate potential OOB by removing bogus memset()

Affected Software

10 affected components
Linux Linux kernel (HID core)
Linux Linux kernel>=2.6.15.1<6.18.22
Linux Linux kernel>=6.19<6.19.12
Linux Linux kernel=2.6.15
Linux Linux kernel=2.6.15-rc6
Linux Linux kernel=2.6.15-rc7
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Configuration

    In hid_report_raw_event(), remove the memset() that zeroes the area from the end of the incoming data string to the assumed end of the buffer; instead, if the incoming event buffer size is not previously seen, simply return to avoid potential OOB reads/writes in subsequent thread execution.

    Linux kernel HID (hid_report_raw_event) memset() removal = remove memset() and return if incoming event buffer size is not previously seen

Event History

May 1, 2026
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
DescriptionSeverity
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 2, 2026
Data Sourced
via Microsoft·08:01 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2026-43048?

CVE-2026-43048 is rated as a medium severity vulnerability.

2

How do I fix CVE-2026-43048?

To fix CVE-2026-43048, update your Linux kernel to the latest stable version where this vulnerability has been addressed.

3

What does CVE-2026-43048 affect?

CVE-2026-43048 affects the HID core component of the Linux kernel.

4

What is the impact of CVE-2026-43048?

The impact of CVE-2026-43048 includes possible out-of-bounds access due to a bug in the memset() function.

5

Is CVE-2026-43048 actively exploited?

As of now, there are no reports indicating that CVE-2026-43048 is actively exploited in the wild.

Contact

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