PT-2020-6664 · Linux+4 · Linux Kernel+4
Published
2020-03-16
·
Updated
2023-01-24
·
CVE-2021-3715
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem, leading to a use-after-free condition. This issue allows unprivileged local users to escalate their privileges on the system, posing a threat to confidentiality, integrity, and system availability. The vulnerability is related to the function
route4 change() and the handling of classification filters, which can be exploited to gain access to confidential information or cause a denial of service.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Centos
Linux Kernel
Red Hat
Suse