Use-after-free in Linux kernel - CVE-2022-49489
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104415
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49489
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the _dpu_kms_hw_destroy() function in drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c. A local user can escalate privileges on the system.
How to mitigate CVE-2022-49489
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/134760263f6441741db0b2970e7face6b34b6d1c
- https://git.kernel.org/stable/c/5b0adf5cbf3b74721e4e4c4e0cadc91b8df8bcc2
- https://git.kernel.org/stable/c/97ac682b6f7d36be5d934f86c9911066540a68f1
- https://git.kernel.org/stable/c/aa4cb188988dc6f1b3f4917d4dbc452150a5d871
- https://git.kernel.org/stable/c/ef10d0c68e8608848cd58fca2589685718426607
- https://git.kernel.org/stable/c/ef4bdaac7cb5416f236613ed9337ff0ea8ee329b
- https://git.kernel.org/stable/c/fa5186b279ecf44b14fb435540d2065be91cb1ed
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.247
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198