AUGUST 4, 2026
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Case File

CVE-2021-46991

HIGH · CVSS 7.8 EPSS 0.24%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-02-28 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.

CVE
CVE-2021-46991
Severity
HIGH
CVSS
7.8
EPSS
0.24%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")

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