CVE Database›Document archive›CVE-2021-3506

CVE-2021-3506

kernel: Out of bounds memory access bug in get_next_net_page() in fs/f2fs/node.c

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Severity

Low

Red Hat Product Security

8.1

CVSS 3.1

Review impact separately from score.

Published · March 28, 2021

Updated · October 5, 2026

Description

An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

Statement

There was no shipped kernel version were seen affected with this problem. These files are not built in our source code.

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 · 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-125 · Out-of-bounds Read