CVE-2022-48868 is a vulnerability in the Linux kernel's dmaengine idxd driver, where an improperly handled error path during workqueue enabling can lead to system instability. Specifically, if workqueue initialization fails, the driver may still load, causing subsequent attempts to free unallocated resources or interact with uninitialized percpu counters during driver removal, resulting in a kernel warning or a NULL pointer dereference. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring local privileges, and potentially leading to high availability impact (system crash). There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.15, < 5.15.90CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 6.1.8CPE 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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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.