SB20240531270 - Out-of-bounds read in Linux kernel pinctrl mediatek driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531270
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) Out-of-bounds read (CVE-ID: CVE-2021-47083)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the mtk_xt_get_gpio_n() function in drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.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/f373298e1bf0c6ea097c0bcc558dc43ad53e421f
- https://git.kernel.org/stable/c/441d3873664d170982922c5d2fc01fa89d9439ed
- https://git.kernel.org/stable/c/fb563baa3eb8e7a15f2cff3c2695e2cca0493e69
- https://git.kernel.org/stable/c/2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.89
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.169