CVE-2020-25671 Information

Description

A vulnerability was found in Linux Kernel where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.

CVSS Vector

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

Reference

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/ http://www.openwall.com/lists/oss-security/2020/11/01/1 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/ https://www.openwall.com/lists/oss-security/2020/11/01/1 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/ https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html https://security.netapp.com/advisory/ntap-20210702-0008/

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