SB20240603222 - Improper error handling in Linux kernel spi driver
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603222
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper error handling (CVE-ID: CVE-2021-47161)
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.
References
- 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