#VU90953 Improper error handling in Linux kernel - CVE-2021-47161
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90953
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-47161
CWE-ID: CWE-388
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the dspi_probe() function in drivers/spi/spi-fsl-dspi.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/10a089bae827ec30ad9b6cb7048020a62fae0cfa
- https://git.kernel.org/stable/c/00450ed03a17143e2433b461a656ef9cd17c2f1d
- https://git.kernel.org/stable/c/15d1cc4b4b585f9a2ce72c52cca004d5d735bdf1
- https://git.kernel.org/stable/c/fe6921e3b8451a537e01c031b8212366bb386e3e
- https://git.kernel.org/stable/c/12391be4724acc9269e1845ccbd881df37de4b56
- https://git.kernel.org/stable/c/680ec0549a055eb464dce6ffb4bfb736ef87236e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.241
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.199
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.124