{"cve":"CVE-2021-46943","nvd":{"published":"2024-02-27T19:04:06.063","modified":"2026-06-17T04:15:56.080","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: staging/intel-ipu3: Fix set_fmt error handling\n\nIf there in an error during a set_fmt, do not overwrite the previous\nsizes with the invalid config.\n\nWithout this patch, v4l2-compliance ends up allocating 4GiB of RAM and\ncausing the following OOPs\n\n[   38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes)\n[   38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0\n[   38.663010] general protection fault: 0000 [#1] PREEMPT SMP","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-131"],"references":["https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916","https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc","https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6","https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356","https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-46943","score":0.00234,"percentile":0.14364,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}