CVE-2020-25671

high

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.

References

https://www.openwall.com/lists/oss-security/2020/11/01/1

https://security.netapp.com/advisory/ntap-20210702-0008/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/

https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html

https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html

http://www.openwall.com/lists/oss-security/2020/11/01/1

Details

Source: Mitre, NVD

Published: 2021-05-26

Updated: 2023-02-12

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H