CVE-2021-23134 Information

Description

Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.

CVSS Vector

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

Reference

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d https://www.openwall.com/lists/oss-security/2021/05/11/4 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY4AFPP4X77/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWBYM46PDZEN/ https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://security.netapp.com/advisory/ntap-20210625-0007/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8