{"action":"Upgrade linux to 6.4.13-1 or later.","affected":[{"fixed":"6.4.13-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.13-1"],"id":"tcs_01M5NJZDFBVMYD35XTV7E3SQJK","modified_at":"2026-10-26T18:03:10.331558967Z","published_at":"2023-12-21T20:15:08.260Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-6546","https://security-tracker.debian.org/tracker/CVE-2023-6546"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-6546#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-6546"}],"summary":"A race condition was found in the GSM 0710 tty multiplexor in the Linux kernel. This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line di"}