{"id":"CVE-2021-29626","state":"PUBLISHED","title":"In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write","description":"In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.","publishedAt":"2021-04-07T14:48:32.000Z","updatedAt":"2024-08-03T22:11:06.402Z","severity":null,"assigner":"freebsd","products":["n/a FreeBSD"],"affected":[{"vendor":"n/a","product":"FreeBSD","versions":[{"version":"FreeBSD 12.2-RELEASE before p6, 11.4-RELEASE before p9","status":"affected"}]}],"references":["https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.asc","https://security.netapp.com/advisory/ntap-20210423-0008/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:21.578Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/29xxx/CVE-2021-29626.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-29626","state":"PUBLISHED","datePublished":"2021-04-07T14:48:32.000Z","dateUpdated":"2024-08-03T22:11:06.402Z","assignerShortName":"freebsd","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateReserved":"2021-03-30T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel."}],"affected":[{"vendor":"n/a","product":"FreeBSD","versions":[{"version":"FreeBSD 12.2-RELEASE before p6, 11.4-RELEASE before p9","status":"affected"}]}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.asc","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20210423-0008/","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"Use after free memory disclosure","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"freebsd","dateUpdated":"2021-04-23T05:06:28.000Z","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secteam@freebsd.org","ID":"CVE-2021-29626","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"FreeBSD","version":{"version_data":[{"version_value":"FreeBSD 12.2-RELEASE before p6, 11.4-RELEASE before p9"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Use after free memory disclosure"}]}]},"references":{"reference_data":[{"name":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.asc","refsource":"MISC","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.asc"},{"name":"https://security.netapp.com/advisory/ntap-20210423-0008/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20210423-0008/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.asc","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210423-0008/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T22:11:06.402Z"}}]}}}