{"id":"CVE-2020-27825","state":"PUBLISHED","title":"A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely o","description":"A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.","publishedAt":"2020-12-11T17:13:31.000Z","updatedAt":"2024-08-04T16:25:43.895Z","severity":null,"assigner":"redhat","products":["n/a kernel"],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"before kernel 5.10-rc1","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1905155","https://www.debian.org/security/2021/dsa-4843","https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html","https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html","https://security.netapp.com/advisory/ntap-20210521-0008/"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T19:47:11.046Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/27xxx/CVE-2020-27825.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-27825","state":"PUBLISHED","datePublished":"2020-12-11T17:13:31.000Z","dateUpdated":"2024-08-04T16:25:43.895Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2020-10-27T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat."}],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"before kernel 5.10-rc1","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1905155","tags":["x_refsource_MISC"]},{"url":"https://www.debian.org/security/2021/dsa-4843","name":"DSA-4843","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html","name":"[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html","name":"[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://security.netapp.com/advisory/ntap-20210521-0008/","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","description":"CWE-362->CWE-416","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2021-05-21T08:06:26.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secalert@redhat.com","ID":"CVE-2020-27825","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"kernel","version":{"version_data":[{"version_value":"before kernel 5.10-rc1"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-362->CWE-416"}]}]},"references":{"reference_data":[{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=1905155","refsource":"MISC","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1905155"},{"name":"DSA-4843","refsource":"DEBIAN","url":"https://www.debian.org/security/2021/dsa-4843"},{"name":"[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"},{"name":"[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"},{"name":"https://security.netapp.com/advisory/ntap-20210521-0008/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20210521-0008/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1905155","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.debian.org/security/2021/dsa-4843","name":"DSA-4843","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html","name":"[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html","name":"[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210521-0008/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T16:25:43.895Z"}}]}}}