CVE-2021-47064

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Source
https://cve.org/CVERecord?id=CVE-2021-47064
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47064.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-47064
Downstream
Published
2024-02-29T23:15:07.947Z
Modified
2026-03-13T05:18:00.328074Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

mt76: fix potential DMA mapping leak

With buf uninitialized in mt76dmatxqueueskbraw, its field skipunmap could potentially inherit a non-zero value from stack garbage. If this happens, it will cause DMA mappings for MCU command frames to not be unmapped after completion

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "5.10"
            },
            {
                "fixed": "5.10.37"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.11"
            },
            {
                "fixed": "5.11.21"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.12"
            },
            {
                "fixed": "5.12.4"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47064.json"