PT-2022-7458 · Linux+3 · Linux Kernel+3
Robin Murphy
·
Published
2022-01-31
·
Updated
2025-01-10
·
CVE-2022-48796
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The vulnerability is related to a use-after-free issue in the iommu component of the Linux kernel. When a device probe fails, the dev->iommu is freed, but a parallel deferred probe work func may still try to access dev->iommu->fwspec, causing a use-after-free error. This issue can potentially 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
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Red Os
Suse