CVE-2022-48656 is a refcount leak vulnerability in the Linux kernel's dmaengine subsystem, specifically within the k3-udma-private driver. This flaw affects Linux kernel versions and arises from a missing of_node_put() call, leading to resource exhaustion. It is rated as Medium severity (CVSS 5.5), indicating a local attack vector with low complexity, requiring low privileges, and potentially leading to high availability impact. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.6.0, < 5.10.146CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11.0, < 5.15.71CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16.0, < 5.19.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.