#VU96334 Use-after-free in Linux kernel - CVE-2022-48899
Published: August 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96334
Vulnerability risk: Low
CVSSv4.0: 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-2022-48899
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
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 virtio_gpu_resource_create_ioctl() function in drivers/gpu/drm/virtio/virtgpu_ioctl.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/19ec87d06acfab2313ee82b2a689bf0c154e57ea
- https://git.kernel.org/stable/c/d01d6d2b06c0d8390adf8f3ba08aa60b5642ef73
- https://git.kernel.org/stable/c/68bcd063857075d2f9edfed6024387ac377923e2
- https://git.kernel.org/stable/c/011ecdbcd520c90c344b872ca6b4821f7783b2f8
- https://git.kernel.org/stable/c/adc48e5e408afbb01d261bd303fd9fbbbaa3e317
- https://git.kernel.org/stable/c/52531258318ed59a2dc5a43df2eaf0eb1d65438e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.164
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.89
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2