SB2024071755 - NULL pointer dereference in Linux kernel gpu drm driver
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071755
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-2022-48843)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the EXPORT_SYMBOL() function in drivers/gpu/drm/drm_connector.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/941e8bcd2b2ba95490738e33dfeca27168452779
- https://git.kernel.org/stable/c/0ba557d330946c23559aaea2d51ea649fdeca98a
- https://git.kernel.org/stable/c/3534c5c005ef99a1804ed50b8a72cdae254cabb5
- https://git.kernel.org/stable/c/85271e92ae4f13aa679acaa6cf76b3c36bcb7bab
- https://git.kernel.org/stable/c/62929726ef0ec72cbbe9440c5d125d4278b99894
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.107
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.186