An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. 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.
Published 2021-04-19 22:15:13
Updated 2022-01-21 14:43:07
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2021-3506

Exploit prediction scoring system (EPSS) score for CVE-2021-3506

0.37%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3506

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.6
MEDIUM AV:L/AC:L/Au:N/C:P/I:N/A:C
3.9
7.8
NIST
7.1
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
1.8
5.2
NIST

CWE ids for CVE-2021-3506

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • secalert@redhat.com (Primary)

References for CVE-2021-3506

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!