CVE-2026-74320

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{"bugzilla": {"description": "kernel: fbdev: sm501fb: Fix buffer errors in OF binding code", "id": "2516826", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516826"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-120", "details": ["A flaw was found in the `fbdev: sm501fb` component of the Linux kernel. The code responsible for obtaining frame buffer mode information from Open Firmware (OF) binding contains multiple memory handling errors. These include use-after-free vulnerabilities, buffer overruns when writing mode strings without proper length checks, and memory leaks. These issues could lead to system instability or potentially allow a local attacker to impact system integrity."], "name": "CVE-2026-74320", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74320\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74320\nhttps://lore.kernel.org/linux-cve-announce/2026081553-CVE-2026-74320-55ab@gregkh/T"], "threat_severity": "Moderate"}

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