CVEvulnerability

CVE-2021-42252

7.8 HIGH Published 2021-10-11 Modified 2026-08-05 Official page ↗
Status
Analyzed
Published
2021-10-11
Last modified
2026-08-05
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P

Description

An issue was discovered in aspeed_lpc_ctrl_mmap in drivers/soc/aspeed/aspeed-lpc-ctrl.c in the Linux kernel before 5.14.6. Local attackers able to access the Aspeed LPC control interface could overwrite memory in the kernel and potentially execute privileges, aka CID-b49a0e69a7b1. This occurs because a certain comparison uses values that are not memory sizes.

Affected configurations

• netapp cloud backup • linux linux kernel (>= 4.12 < 4.14.247) • linux linux kernel (>= 4.15 < 4.19.207) • linux linux kernel (>= 4.20 < 5.4.148) • linux linux kernel (>= 5.5 < 5.10.67) • linux linux kernel (>= 5.11 < 5.13.19) • linux linux kernel (>= 5.14 < 5.14.6) • netapp h300s firmware • netapp h500s firmware • netapp h700s firmware • netapp h300e firmware • netapp h500e firmware • netapp h700e firmware • netapp h410s firmware • netapp h410c firmware • netapp solidfire baseboard management controller firmware

References