PT-2025-25909 · Linux+4 · Linux Kernel+4

CVE-2022-49983

·

Published

2022-06-09

·

Updated

2026-08-15

CVSS v2.0

6.0

Medium

VectorAV:L/AC:H/Au:S/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An incorrect initialization issue exists in the udmabuf dev init() function within the drivers/dma-buf/udmabuf.c module. When the DMA mask is not explicitly set for the udmabuf device, a warning is triggered in dma map sg attrs() when userspace attempts to access the dma-buf via the CPU. This issue may impact the confidentiality, integrity, and availability of protected information.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Initialization

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

BDU:2026-02024
CESA-2023_2951
CVE-2022-49983
RHSA-2023:2458
RHSA-2023:2951
RHSA-2023_2458
RHSA-2023_2951
SUSE-SU-2025:02264-1
SUSE-SU-2025:02321-1
SUSE-SU-2025:02322-1
SUSE-SU-2025:02537-1
SUSE-SU-2025:2264-1
SUSE-SU-2025_02264-1
SUSE-SU-2025_02537-1

Affected Products

Astra Linux
Centos
Linux Kernel
Red Hat
Suse