{"action":"Upgrade linux to 5.2.6-1 or later.","affected":[{"fixed":"5.2.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.2.6-1"],"id":"tcs_01M5NDBJMP2ZYPN0KVBTQMXKCV","modified_at":"2026-10-23T18:03:05.338423757Z","published_at":"2019-05-07T14:29:00.303Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-20836","https://security-tracker.debian.org/tracker/CVE-2018-20836"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-20836#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-20836"}],"summary":"An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free."}