{"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:14","exploited":false,"fixed_versions":["6.4.13-1"],"id":"tcs_01M5NJQS9THGH4TAE3Q2ERJ7FB","modified_at":"2026-10-26T18:00:46.833001209Z","published_at":"2025-10-01T12:15:51.637Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53487","https://security-tracker.debian.org/tracker/CVE-2023-53487"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53487#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53487"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas_flash: allow user copy to flash block cache objects With hardened usercopy enabled (CONFIG_HARDENED_USERCOPY=y), using"}