{"id":"CVE-2021-3714","state":"PUBLISHED","title":"A flaw was found in the Linux kernels memory deduplication mechanism. Previous work has shown that memory deduplication can be attacked via a local exploitation mechanism. The same","description":"A flaw was found in the Linux kernels memory deduplication mechanism. Previous work has shown that memory deduplication can be attacked via a local exploitation mechanism. The same technique can be used if an attacker can upload page sized files and detect the change in access time from a networked service to determine if the page has been merged.","publishedAt":"2022-08-23T15:51:15.000Z","updatedAt":"2024-08-03T17:01:07.823Z","severity":null,"assigner":"redhat","products":["n/a kernel"],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"Not known","status":"affected"}]}],"references":["https://arxiv.org/abs/2111.08553","https://arxiv.org/pdf/2111.08553.pdf","https://bugzilla.redhat.com/show_bug.cgi?id=1931327","https://access.redhat.com/security/cve/CVE-2021-3714"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3714.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3714","state":"PUBLISHED","datePublished":"2022-08-23T15:51:15.000Z","dateUpdated":"2024-08-03T17:01:07.823Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2021-08-18T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A flaw was found in the Linux kernels memory deduplication mechanism. Previous work has shown that memory deduplication can be attacked via a local exploitation mechanism. The same technique can be used if an attacker can upload page sized files and detect the change in access time from a networked service to determine if the page has been merged."}],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"Not known","status":"affected"}]}],"references":[{"url":"https://arxiv.org/abs/2111.08553","tags":["x_refsource_MISC"]},{"url":"https://arxiv.org/pdf/2111.08553.pdf","tags":["x_refsource_MISC"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1931327","tags":["x_refsource_MISC"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-3714","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2022-08-23T15:51:15.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://arxiv.org/abs/2111.08553","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://arxiv.org/pdf/2111.08553.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1931327","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-3714","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:01:07.823Z"}}]}}}