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CVE-2018-10840

kernel: Heap-based buffer overflow in fs/ext4/xattr.c:ext4_xattr_set_entry() with crafted ext4 image

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Severity

Moderate

Red Hat Product Security

5.2

CVSS 3.0

Review impact separately from score.

Published · April 11, 2018

Updated · June 30, 2026

Description

The Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.

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 3.0 · 5.2
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

CWE-122 · Heap-based Buffer Overflow