CVE-2020-25670

HIGH

Linux Kernel 3.6-4.4.267 - Use-After-Free in llcp_sock_bind()

Title source: llm
STIX 2.1

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 (9)

Core 9
Core References
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/11/01/1
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/05/11/4
Exploit, Mailing List, Patch, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2020/11/01/1
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210702-0008/

Scores

CVSS v3 7.8
EPSS 0.0004
EPSS Percentile 13.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (16)
debian/debian_linux 9.0
fedoraproject/fedora 32
fedoraproject/fedora 33
fedoraproject/fedora 34
linux/linux_kernel 3.6 - 4.4.267
netapp/active_iq_unified_manager
netapp/cloud_backup
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
... and 6 more
Published May 26, 2021
Tracked Since Feb 18, 2026