SB20240531456 - NULL pointer dereference in Linux kernel typec altmodes driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531456
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-2024-35790)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the hpd_show(), dp_altmode_probe(), dp_altmode_remove() and module_typec_altmode_driver() functions in drivers/usb/typec/altmodes/displayport.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/4a22aeac24d0d5f26ba741408e8b5a4be6dc5dc0
- https://git.kernel.org/stable/c/0ad011776c057ce881b7fd6d8c79ecd459c087e9
- https://git.kernel.org/stable/c/165376f6b23e9a779850e750fb2eb06622e5a531
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8