{"action":"Upgrade linux to 6.4.4-1 or later.","affected":[{"fixed":"6.4.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.4-1"],"id":"tcs_01M5NJPFZF09HM5W02CNF1CPJQ","modified_at":"2026-10-26T18:02:52.836261465Z","published_at":"2025-09-17T15:15:39.640Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53356","https://security-tracker.debian.org/tracker/CVE-2023-53356"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53356#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53356"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_serial: Add null pointer check in gserial_suspend Consider a case where gserial_disconnect has already cleared gser->"}