CVE Database›Document archive›CVE-2021-47274

CVE-2021-47274

kernel: tracing: Correct the length check which causes memory corruption

Loading…

Severity

Moderate

Red Hat Product Security

6.4

CVSS 3.1

Review impact separately from score.

Published · May 21, 2024

Updated · February 2, 2026

Description

A vulnerability was found in the Linux kernel's tracing system, where improper length checks in the code can lead to memory corruption. This issue can cause kernel crash by allowing out-of-bounds writes when handling trace data, potentially resulting in severe system instability and data loss.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

CVSS / CWE

CVSS 3.1 · 6.4
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-787 · Out-of-bounds Write