Use of uninitialized resource in Linux kernel - CVE-2022-48840
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94463
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-2022-48840
CWE-ID: CWE-908
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 use of uninitialized resource within the iavf_remove() function in drivers/net/ethernet/intel/iavf/iavf_main.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-48840
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/80974bb730270199c6fcb189af04d5945b87e813
- https://git.kernel.org/stable/c/4477b9a4193b35eb3a8afd2adf2d42add2f88d57
- https://git.kernel.org/stable/c/b04683ff8f0823b869c219c78ba0d974bddea0b5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17