SB20240531398 - NULL pointer dereference in Linux kernel usb common driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531398
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) NULL pointer dereference (CVE-ID: CVE-2021-47331)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the usb_charger_get_property() and usb_conn_probe() functions in drivers/usb/common/usb-conn-gpio.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/8e8d910e9a3a7fba86140aff4924c30955ab228b
- https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1
- https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25
- https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.52
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14