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
| Vector | AV: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
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Centos
Linux Kernel
Red Hat
Suse