CVE Database›CVE-2024-39482

CVE-2024-39482

kernel: bcache: fix variable length array abuse in btree_iter

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 5, 2024

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel bcache driver. btree_iter stores a fixed array of MAX_BSETS entries, but iterators taken from the mempool are larger and the code indexes past that array. A local user of a bcache device can cause an out-of-bounds access.

Statement

Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write