{"api_version":"1","generated_at":"2026-04-22T20:07:33+00:00","cve":"CVE-2022-39842","urls":{"html":"https://cve.report/CVE-2022-39842","api":"https://cve.report/api/cve/CVE-2022-39842.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-39842","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-39842"},"summary":{"title":"CVE-2022-39842","description":"** DISPUTED ** An issue was discovered in the Linux kernel before 5.19. In pxa3xx_gcu_write in drivers/video/fbdev/pxa3xx-gcu.c, the count parameter has a type conflict of size_t versus int, causing an integer overflow and bypassing the size check. After that, because it is used as the third argument to copy_from_user(), a heap overflow may occur. 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