Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2021-3715

Date: March 2, 2022

A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2021-3715
https://www.openwall.com/lists/oss-security/2021/09/07/1
https://github.com/torvalds/linux/commit/ef299cc3fa1a9e1288665a9fdc8bff55629fd359
https://access.redhat.com/security/cve/CVE-2021-3715
https://security-tracker.debian.org/tracker/CVE-2021-3715
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3715
https://bugzilla.redhat.com/show_bug.cgi?id=1993988
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef299cc3fa1a9e1288665a9fdc8bff55629fd359
https://www.mend.io/vulnerability-database/CVE-2021-3715

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

Do you need more information?

Contact Us