{"action":"Upgrade linux to 6.5.6-1 or later.","affected":[{"fixed":"6.5.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.5.6-1"],"id":"tcs_01M5NJR6K6PR31N33465AVS7AC","modified_at":"2026-10-23T18:04:55.313630193Z","published_at":"2025-10-01T12:15:57.843Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53531","https://security-tracker.debian.org/tracker/CVE-2023-53531"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53531#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53531"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: null_blk: fix poll request timeout handling When doing io_uring benchmark on /dev/nullb0, it's easy to crash the kernel if poll requ"}