CVE-2020-12653

HIGH

Linux kernel <5.5.4 - Privilege Escalation

Title source: llm
STIX 2.1

Description

An issue was found in Linux kernel before 5.5.4. The mwifiex_cmd_append_vsie_tlv() function in drivers/net/wireless/marvell/mwifiex/scan.c allows local users to gain privileges or cause a denial of service because of an incorrect memcpy and buffer overflow, aka CID-b70261a288ea.

References (10)

Core 10
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, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4698
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html

Scores

CVSS v3 7.8
EPSS 0.0019
EPSS Percentile 41.1%
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-787
Status published
Products (23)
debian/debian_linux 8.0
debian/debian_linux 9.0
linux/linux_kernel < 5.5.4
netapp/a700s_firmware
netapp/active_iq_unified_manager
netapp/cloud_backup
netapp/element_software
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
... and 13 more
Published May 05, 2020
Tracked Since Feb 18, 2026