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Vulnerability Details : CVE-2021-32606

In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP SF_BROADCAST support.)
Publish Date : 2021-05-11 Last Update Date : 2021-09-07
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
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)
CWE ID 416

- Products Affected By CVE-2021-32606

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
4 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 3
Linux Linux Kernel 1

- References For CVE-2021-32606

https://security.netapp.com/advisory/ntap-20210625-0001/ CONFIRM
http://www.openwall.com/lists/oss-security/2021/05/28/1
MLIST [oss-security] 20210528 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation
http://www.openwall.com/lists/oss-security/2021/05/14/1
MLIST [oss-security] 20210514 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation
http://www.openwall.com/lists/oss-security/2021/05/12/1
MLIST [oss-security] 20210512 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation
https://lists.fedoraproject.org/archives/list/[email protected]/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/
FEDORA FEDORA-2021-4f852b79d1
https://lists.fedoraproject.org/archives/list/[email protected]/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/
FEDORA FEDORA-2021-8832eab899
https://lists.fedoraproject.org/archives/list/[email protected]/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/
FEDORA FEDORA-2021-bae582b42c
https://www.openwall.com/lists/oss-security/2021/05/11/16
http://www.openwall.com/lists/oss-security/2021/05/13/2
MLIST [oss-security] 20210514 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalation

- Metasploit Modules Related To CVE-2021-32606

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


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