{"id":"CVE-2019-3837","state":"PUBLISHED","title":"It was found that the net_dma code in tcp_recvmsg() in the 2.6.32 kernel as shipped in RHEL6 is thread-unsafe. So an unprivileged multi-threaded userspace application calling recvm","description":"It was found that the net_dma code in tcp_recvmsg() in the 2.6.32 kernel as shipped in RHEL6 is thread-unsafe. So an unprivileged multi-threaded userspace application calling recvmsg() for the same network socket in parallel executed on ioatdma-enabled hardware with net_dma enabled can leak the memory, crash the host leading to a denial-of-service or cause a random memory corruption.","publishedAt":"2019-04-11T14:37:26.000Z","updatedAt":"2024-08-04T19:19:18.565Z","severity":{"score":6.1,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","source":"redhat"},"assigner":"redhat","products":["The Linux Foundation kernel"],"affected":[{"vendor":"The Linux Foundation","product":"kernel","versions":[{"version":"2.6.32 as shipped in rhel-6","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3837"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T19:45:59.128Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/3xxx/CVE-2019-3837.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-3837","state":"PUBLISHED","datePublished":"2019-04-11T14:37:26.000Z","dateUpdated":"2024-08-04T19:19:18.565Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2019-01-03T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"It was found that the net_dma code in tcp_recvmsg() in the 2.6.32 kernel as shipped in RHEL6 is thread-unsafe. So an unprivileged multi-threaded userspace application calling recvmsg() for the same network socket in parallel executed on ioatdma-enabled hardware with net_dma enabled can leak the memory, crash the host leading to a denial-of-service or cause a random memory corruption."}],"affected":[{"vendor":"The Linux Foundation","product":"kernel","versions":[{"version":"2.6.32 as shipped in rhel-6","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3837","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","description":"CWE-362","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2020-12-04T18:00:59.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3837","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T19:19:18.565Z"}}]}}}