PT-2021-6032
CVE-2021-45486
·
Published
2021-03-24
·
Updated
2026-10-18
Description by
CVSS 2.0
5.4
MediumMetricsAV:N/AC:H/Au:N/C:C/I:N/A:N
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.12.4
Description
The issue is related to an information leak in the IPv4 implementation of the Linux kernel. This leak is caused by a small hash table in net/ipv4/route.c. The vulnerability may allow a remote attacker to gain unauthorized access to protected information.
Recommendations
For Linux kernel versions prior to 5.12.4, update to version 5.12.4 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive information until the update can be applied.
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