Double Free in Linux kernel - CVE-2022-34494
Published: July 14, 2022
Vulnerability identifier: #VU65297
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-34494
CWE-ID: CWE-415
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 perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the rpmsg_virtio_add_ctrl_dev() function in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel remote processor messaging (rpmsg) framework. A local user can run a specially crafted program to trigger a double free error and perform a denial of service (DoS) attack.
How to mitigate CVE-2022-34494
Install updates from vendor's website.