{"apiVersion":"1.0","identifier":"CVE-2026-74420","description":"In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Reject VMAs with VM_IO or VM_PFNMAP when creating SVM ranges VMAs marked with VM_IO or VM_PFNMAP are not backed by struct page objects, which GPUSVM requires in order to operate correctly. In particular, get_pages() relies on hmm_range_fault() to resolve struct pages for the target range. Attempting to create an SVM range on such VMAs results in repeated get_pages() failures and can lead to an infinite loop inside a driver-s page‑fault handler. Prevent this by rejecting ranges on VM_IO or VM_PFNMAP VMAs and returning -EIO.","publishedAt":"2026-08-15T06:22:44","lastModifiedAt":"2026-08-17T06:19:37","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74420","cvssScore":null,"cvssVector":"Pending","epssProbability":0.00155,"riskScore":0,"affectedProduct":"Linux kernel","affectedVersions":"unknown","vulnerabilityType":"Kernel","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74420","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74420","en":"https://www.redsauce.net/en/cves/CVE-2026-74420","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74420","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74420","de":"https://www.redsauce.net/de/cves/CVE-2026-74420","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74420","el":"https://www.redsauce.net/el/cves/CVE-2026-74420"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74420"}}