{"action":"Upgrade linux-6.12 to 6.12.111-1~deb12u1 or later.","affected":[{"fixed":"6.12.111-1~deb12u1","introduced":"0"}],"component":"linux-6.12","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.12.111-1~deb12u1"],"id":"tcs_01M5NNSDWZ727B04X82KF6PF0P","modified_at":"2026-10-23T18:02:33.131879080Z","published_at":"2025-11-12T11:15:43.677Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40139","https://security-tracker.debian.org/tracker/CVE-2025-40139"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40139#Debian:12/linux-6.12","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40139"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: smc: Use __sk_dst_get() and dst_dev_rcu() in in smc_clc_prfx_set(). smc_clc_prfx_set() is called during connect() and not under RCU"}