{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-09T06:53:18.050","vulnerabilities":[{"cve":{"id":"CVE-2022-28736","sourceIdentifier":"security@ubuntu.com","published":"2023-07-20T01:15:10.400","lastModified":"2024-11-21T06:57:50.070","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"metrics":{"cvssMetricV31":[{"source":"security@ubuntu.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.5,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*","versionStartIncluding":"2.00","versionEndExcluding":"2.06-3","matchCriteriaId":"F969F462-AB12-4158-BBA9-A9D828434F9F"}]}]}],"references":[{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736","source":"security@ubuntu.com","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20230825-0002/","source":"security@ubuntu.com"},{"url":"https://www.openwall.com/lists/oss-security/2022/06/07/5","source":"security@ubuntu.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20230825-0002/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2022/06/07/5","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]}]}}]}