{"action":"Upgrade linux to 3.13.4-1 or later.","affected":[{"fixed":"3.13.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.13.4-1"],"id":"tcs_01M5NE65FGDZG8T09E1P3JQXMF","modified_at":"2026-09-21T07:01:19.968123426Z","published_at":"2019-04-11T15:29:00.447Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-3837","https://security-tracker.debian.org/tracker/CVE-2019-3837"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-3837","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-3837"}],"summary":"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 ne"}