{"id":"UBUNTU-CVE-2018-18440","details":"DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.","modified":"2025-10-24T04:47:15Z","published":"2018-11-20T19:29:00Z","upstream":["CVE-2018-18440"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18440"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2018/11/02/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18440"}],"affected":[{"package":{"name":"u-boot","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/u-boot@2016.01+dfsg1-2ubuntu5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2015.04+dfsg1-2ubuntu1","2015.10+dfsg1-2","2015.10+dfsg1-3","2015.10+dfsg1-4","2016.01+dfsg1-1","2016.01+dfsg1-1ubuntu1","2016.01+dfsg1-2ubuntu1","2016.01+dfsg1-2ubuntu2","2016.01+dfsg1-2ubuntu3","2016.01+dfsg1-2ubuntu5"],"ecosystem_specific":{"binaries":[{"binary_name":"u-boot","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-exynos","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-imx","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-omap","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-rockchip","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-rpi","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-sunxi","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-tegra","binary_version":"2016.01+dfsg1-2ubuntu5"},{"binary_name":"u-boot-tools","binary_version":"2016.01+dfsg1-2ubuntu5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18440.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"negligible"}]}