VULNERABILITY INTELLIGENCE

CVE-2021-46991

CVSS score7.8 HIGH
EPSS probability0.24%
CISA KEVNot currently listed
Published2024-02-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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")

Weakness classification

  • nvd@nist.gov: CWE-416

Primary references