{"api_version":"1","generated_at":"2026-04-20T20:56:55+00:00","cve":"CVE-2022-28736","urls":{"html":"https://cve.report/CVE-2022-28736","api":"https://cve.report/api/cve/CVE-2022-28736.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-28736","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-28736"},"summary":{"title":"CVE-2022-28736","description":"There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.","state":"PUBLIC","assigner":"security@ubuntu.com","published_at":"2023-07-20 01:15:00","updated_at":"2023-08-25 23:15:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736","name":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736","refsource":"MISC","tags":[],"title":"CVE -\nCVE-2022-28736","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"https://www.openwall.com/lists/oss-security/2022/06/07/5","name":"https://www.openwall.com/lists/oss-security/2022/06/07/5","refsource":"MISC","tags":[],"title":"oss-security - [SECURITY PATCH 00/30]  Multiple GRUB2 vulnerabilities - 2022/06/07\n round","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.netapp.com/advisory/ntap-20230825-0002/","name":"https://security.netapp.com/advisory/ntap-20230825-0002/","refsource":"MISC","tags":[],"title":"July 2023 Grub Vulnerabilities in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-28736","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-28736","name":"NVD vulnerability 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