CVE-2021-3506
kernel: Out of bounds memory access bug in get_next_net_page() in fs/f2fs/node.c
Severity
LowRed Hat Product Security
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 · 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-125 · Out-of-bounds Read