CVE Database›Document archive›CVE-2024-49994

CVE-2024-49994

kernel: block: fix integer overflow in BLKSECDISCARD

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · October 21, 2024

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's block subsystem. A local attacker with sufficient privileges could exploit an integer overflow vulnerability in the BLKSECDISCARD ioctl. This could lead to a near infinite loop within the blkdev_issue_secure_erase() function, resulting in a Denial of Service (DoS) for the affected system.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-190 · Integer Overflow or Wraparound