{"id":"UBUNTU-CVE-2020-8432","details":"In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by static analysis.","modified":"2025-09-08T16:45:59Z","published":"2020-01-29T19:15:00Z","upstream":["CVE-2020-8432"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8432"},{"type":"REPORT","url":"https://lists.denx.de/pipermail/u-boot/2020-January/396799.html"},{"type":"REPORT","url":"https://lists.denx.de/pipermail/u-boot/2020-January/396853.html"},{"type":"REPORT","url":"https://www.mail-archive.com/u-boot@lists.denx.de/msg354060.html"},{"type":"REPORT","url":"https://www.mail-archive.com/u-boot@lists.denx.de/msg354114.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8432"}],"affected":[{"package":{"name":"u-boot","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/u-boot@2020.10+dfsg-1ubuntu0~18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2020.10+dfsg-1ubuntu0~18.04.2"}]}],"versions":["2016.03+dfsg1-6ubuntu2","2018.07~rc3+dfsg1-0ubuntu1~18.04.1","2018.07~rc3+dfsg1-0ubuntu2~18.04.1","2018.07~rc3+dfsg1-0ubuntu3~18.04.1","2019.07+dfsg-1ubuntu4~18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-amlogic"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-exynos"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-imx"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-mvebu"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-omap"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-qcom"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-qemu"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-rockchip"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-rpi"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-sunxi"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-tegra"},{"binary_version":"2020.10+dfsg-1ubuntu0~18.04.2","binary_name":"u-boot-tools"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8432.json"}},{"package":{"name":"u-boot","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/u-boot@2021.01+dfsg-3ubuntu0~20.04.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2021.01+dfsg-3ubuntu0~20.04.3"}]}],"versions":["2019.07+dfsg-1ubuntu3","2019.07+dfsg-1ubuntu5","2019.07+dfsg-1ubuntu6","2020.10+dfsg-1ubuntu0~20.04.2","2021.01+dfsg-3ubuntu0~20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-amlogic"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-exynos"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-imx"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-mvebu"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-omap"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-qcom"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-qemu"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-rockchip"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-rpi"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-sifive"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-sunxi"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-tegra"},{"binary_version":"2021.01+dfsg-3ubuntu0~20.04.3","binary_name":"u-boot-tools"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8432.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}