Resource management error in Linux kernel - CVE-2022-49983
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111666
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-2022-49983
CWE-ID: CWE-399
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 resource management error within the udmabuf_dev_init() function in drivers/dma-buf/udmabuf.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49983
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/63d8c1933ed280717f934e2bc2edd869bb66f329
- https://git.kernel.org/stable/c/872875c9ecf8fa2e1d82bb2f2f1963f571aa8959
- https://git.kernel.org/stable/c/9e9fa6a9198b767b00f48160800128e83a038f9f
- https://git.kernel.org/stable/c/e658538c610c6047b3c9f552e73801894d9284b1
- https://git.kernel.org/stable/c/f2f6ea1a8da1317430a84701fc0170449ee88315
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7