CVE-2021-47287

MEDIUM

Linux Kernel 5.11-5.13.5 - Use-After-Free in Auxiliary Bus Driver Registration

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: driver core: auxiliary bus: Fix memory leak when driver_register() fail If driver_register() returns with error we need to free the memory allocated for auxdrv->driver.name before returning from __auxiliary_driver_register()

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/ce5b3de58fc21303722df46551f7eb9a91afb409

Patch

https://git.kernel.org/stable/c/4afa0c22eed33cfe0c590742387f0d16f32412f3

Scores

CVSS v3 5.5

EPSS 0.0020

EPSS Percentile 9.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (8)

Linux/Linux < 5.11

Linux/Linux 5.11

Linux/Linux 5.13.6 - 5.13.*

Linux/Linux 5.14

Linux/Linux 7de3697e9cbd4bd3d62bafa249d57990e1b8f294 - 4afa0c22eed33cfe0c590742387f0d16f32412f3

Linux/Linux 7de3697e9cbd4bd3d62bafa249d57990e1b8f294 - ce5b3de58fc21303722df46551f7eb9a91afb409

linux/linux_kernel 5.14 rc1 (2 CPE variants)

linux/linux_kernel 5.11 - 5.13.6

Published May 21, 2024

Tracked Since Feb 18, 2026