SB2024102188 - Use-after-free in Linux kernel drm stm driver
Published: October 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102188
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-49992)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ltdc_crtc_atomic_print_state(), ltdc_plane_atomic_print_state(), ltdc_plane_create(), ltdc_crtc_init(), ltdc_encoder_init(), ltdc_load() and ltdc_unload() functions in drivers/gpu/drm/stm/ltdc.c, within the drv_load() function in drivers/gpu/drm/stm/drv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/d02611ff001454358be6910cb926799e2d818716
- https://git.kernel.org/stable/c/0a1741d10da29aa84955ef89ae9a03c4b6038657
- https://git.kernel.org/stable/c/454e5d7e671946698af0f201e48469e5ddb42851
- https://git.kernel.org/stable/c/b22eec4b57d04befa90e8554ede34e6c67257606
- https://git.kernel.org/stable/c/19dd9780b7ac673be95bf6fd6892a184c9db611f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55