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Vulnerability Details : CVE-2021-3506

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.
Publish Date : 2021-04-19 Last Update Date : 2022-01-21
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- CVSS Scores & Vulnerability Types

CVSS Score
5.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 125

- Products Affected By CVE-2021-3506

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
3 OS Linux Linux Kernel 5.12 - * * Version Details Vulnerabilities
4 OS Linux Linux Kernel 5.12 RC1 * * Version Details Vulnerabilities
5 OS Linux Linux Kernel 5.12 RC2 * * Version Details Vulnerabilities
6 OS Linux Linux Kernel 5.12 RC3 * * Version Details Vulnerabilities
7 Application Netapp Cloud Backup - * * * Version Details Vulnerabilities
8 OS Netapp Solidfire Baseboard Management Controller Firmware - * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Linux Linux Kernel 5
Netapp Cloud Backup 1
Netapp Solidfire Baseboard Management Controller Firmware 1

- References For CVE-2021-3506

https://security.netapp.com/advisory/ntap-20210611-0007/ CONFIRM
https://www.openwall.com/lists/oss-security/2021/03/28/2
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
MLIST [debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update
https://bugzilla.redhat.com/show_bug.cgi?id=1944298
https://www.mail-archive.com/[email protected]/msg2520013.html
http://www.openwall.com/lists/oss-security/2021/05/08/1
MLIST [oss-security] 20210508 Re: Linux kernel: f2fs: out-of-bounds memory access bug

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2021-3506

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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