CVE-2020-12653

unknown

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

—

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-12653

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-12653.html

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`5.5.13-1`
debian	bullseye	fixed	`5.5.13-1`
debian	forky	fixed	`5.5.13-1`
debian	sid	fixed	`5.5.13-1`
debian	trixie	fixed	`5.5.13-1`

References

https://www.suse.com/security/cve/CVE-2020-12653.html
https://security-tracker.debian.org/tracker/CVE-2020-12653

Verify integrity in audit chain (admin only). AS-IS.