CVE-2020-0067

kernel: out of bounds read due to a missing bounds check in f2fs_xattr_generic_list of xattr.c leading to local information disclosure

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · April 17, 2020

Updated · June 28, 2026

Description

An out-of-bounds (OOB) memory access flaw was found in the F2FS filesystem module in f2fs_listxattr in fs/f2fs/xattr.c. A missing bounds check before a memcpy can leak the kernel's internal information, and lead to a denial of service. The highest threat from this vulnerability is to confidentiality.

Statement

The affected code was not introduced into any kernel versions shipped with Red Hat Enterprise Linux making this vulnerable not applicable to these platforms.

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

CWE-125 · Out-of-bounds Read