CVE-2020-12654

HIGH

Linux kernel <5.5.4 - Buffer Overflow

Title source: llm
STIX 2.1

Description

An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in drivers/net/wireless/marvell/mwifiex/wmm.c allows a remote AP to trigger a heap-based buffer overflow because of an incorrect memcpy, aka CID-3a9b153c5591.

References (12)

Core 12
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/05/08/2
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200608-0001/
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4392-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4393-1/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4698

Scores

CVSS v3 7.1
EPSS 0.0122
EPSS Percentile 64.7%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
linux/linux_kernel < 5.5.4
Published May 05, 2020
Tracked Since Feb 18, 2026