CVE-2021-46943

Source
https://cve.org/CVERecord?id=CVE-2021-46943
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46943.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-46943
Downstream
Related
Published
2024-02-27T19:04:06.063Z
Modified
2026-03-15T22:42:41.847846Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

media: staging/intel-ipu3: Fix set_fmt error handling

If there in an error during a set_fmt, do not overwrite the previous sizes with the invalid config.

Without this patch, v4l2-compliance ends up allocating 4GiB of RAM and causing the following OOPs

[ 38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes) [ 38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0 [ 38.663010] general protection fault: 0000 [#1] PREEMPT SMP

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "5.2.0"
            },
            {
                "fixed": "5.4.118"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.5.0"
            },
            {
                "fixed": "5.10.36"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.11.0"
            },
            {
                "fixed": "5.11.20"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.12.0"
            },
            {
                "fixed": "5.12.3"
            }
        ]
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46943.json"