In the Linux kernel, the following vulnerability has been resolved: can: pch_can: pch_can_rx_normal: fix use after free After calling netif_receive_skb(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is dereferenced just after the call netif_receive_skb(skb). Reordering the lines solves the issue.
History

Mon, 04 Nov 2024 12:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-05-24T15:09:33.796Z

Updated: 2024-12-19T07:44:04.073Z

Reserved: 2024-05-24T15:02:54.824Z

Link: CVE-2021-47520

cve-icon Vulnrichment

Updated: 2024-08-04T05:39:59.800Z

cve-icon NVD

Status : Modified

Published: 2024-05-24T15:15:14.003

Modified: 2024-11-21T06:36:25.953

Link: CVE-2021-47520

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-05-24T00:00:00Z

Links: CVE-2021-47520 - Bugzilla