CVE-2021-46998

kernel: ethernet:enic: Fix a use after free bug in enic_hard_start_xmit

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · February 28, 2024

Updated · August 5, 2026

Description

A use-after-free flaw was found in the Linux kernel's Cisco VIC Ethernet NIC Support driver. This issue occurs due to the way some errors happen inside enic_queue_wq_skb and could allow a local user to crash the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free