{"id":"CVE-2020-28097","title":"The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback","summary":"The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-125"],"vendor":"netapp","product":"cloud_backup","affected":["linux_kernel < 5.8.10","cloud_backup","h410c_firmware","h300s_firmware","h500s_firmware","h700s_firmware","h300e_firmware","h500e_firmware","h700e_firmware","h410s_firmware"],"patched":["linux_kernel 5.8.10"],"published":"2021-06-24","updated":"2026-10-08","sourceUpdated":"2026-10-08T21:17:27.767","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-28097","references":[{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10","label":"cve@mitre.org"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45","label":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45","label":"cve@mitre.org"},{"url":"https://seclists.org/oss-sec/2020/q3/176","label":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20210805-0001/","label":"cve@mitre.org"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://seclists.org/oss-sec/2020/q3/176","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210805-0001/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00519,"epssPercentile":0.4225,"ingestedAt":"2026-10-08T22:11:53.737Z","slug":"CVE-2020-28097","body":"## Overview\n\nThe vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.\n\n## Affected\n\n- `linux_kernel < 5.8.10`\n- `cloud_backup`\n- `h410c_firmware`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h300e_firmware`\n- `h500e_firmware`\n- `h700e_firmware`\n- `h410s_firmware`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.8.10`","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}