SB20240620190 - NULL pointer dereference in Linux kernel dsi phy driver
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620190
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-2022-48756)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the msm_dsi_phy_driver_unregister() function in drivers/gpu/drm/msm/dsi/phy/dsi_phy.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/6d9f8ba28f3747ca0f910a363e46f1114856dbbe
- https://git.kernel.org/stable/c/ca63eeb70fcb53c42e1fe54e1735a54d8e7759fd
- https://git.kernel.org/stable/c/581317b1f001b7509041544d7019b75571daa100
- https://git.kernel.org/stable/c/79c0b5287ded74f4eacde4dfd8aa0a76cbd853b5
- https://git.kernel.org/stable/c/56480fb10b976581a363fd168dc2e4fbee87a1a7
- https://git.kernel.org/stable/c/2b7e7df1eacd280e561ede3e977853606871c951
- https://git.kernel.org/stable/c/5e761a2287234bc402ba7ef07129f5103bcd775c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.265
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.176