CVE-2020-25670

high

Description

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

References

https://lists.fedoraproject.org/archives/list/[email protected]/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/

http://www.openwall.com/lists/oss-security/2021/05/11/4

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

https://lists.fedoraproject.org/archives/list/[email protected]/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/

Details

Source: MITRE

Published: 2021-05-26

Updated: 2022-05-13

Type: CWE-416

Risk Information

CVSS v2

Base Score: 7.2

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

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH