{"id":"DEBIAN-CVE-2025-39812","details":"In the Linux kernel, the following vulnerability has been resolved:  sctp: initialize more fields in sctp_v6_from_sk()  syzbot found that sin6_scope_id was not properly initialized, leading to undefined behavior.  Clear sin6_scope_id and sin6_flowinfo.  BUG: KMSAN: uninit-value in __sctp_v6_cmp_addr+0x887/0x8c0 net/sctp/ipv6.c:649   __sctp_v6_cmp_addr+0x887/0x8c0 net/sctp/ipv6.c:649   sctp_inet6_cmp_addr+0x4f2/0x510 net/sctp/ipv6.c:983   sctp_bind_addr_conflict+0x22a/0x3b0 net/sctp/bind_addr.c:390   sctp_get_port_local+0x21eb/0x2440 net/sctp/socket.c:8452   sctp_get_port net/sctp/socket.c:8523 [inline]   sctp_listen_start net/sctp/socket.c:8567 [inline]   sctp_inet_listen+0x710/0xfd0 net/sctp/socket.c:8636   __sys_listen_socket net/socket.c:1912 [inline]   __sys_listen net/socket.c:1927 [inline]   __do_sys_listen net/socket.c:1932 [inline]   __se_sys_listen net/socket.c:1930 [inline]   __x64_sys_listen+0x343/0x4c0 net/socket.c:1930   x64_sys_call+0x271d/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:51   do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]   do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94  entry_SYSCALL_64_after_hwframe+0x77/0x7f  Local variable addr.i.i created at:   sctp_get_port net/sctp/socket.c:8515 [inline]   sctp_listen_start net/sctp/socket.c:8567 [inline]   sctp_inet_listen+0x650/0xfd0 net/sctp/socket.c:8636   __sys_listen_socket net/socket.c:1912 [inline]   __sys_listen net/socket.c:1927 [inline]   __do_sys_listen net/socket.c:1932 [inline]   __se_sys_listen net/socket.c:1930 [inline]   __x64_sys_listen+0x343/0x4c0 net/socket.c:1930","modified":"2026-09-01T16:06:16.018276973Z","published":"2025-09-16T13:15:54.537Z","upstream":["CVE-2025-39812"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-39812"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.153-1"}]}],"versions":["6.1.106-1","6.1.106-2","6.1.106-3","6.1.112-1","6.1.115-1","6.1.119-1","6.1.123-1","6.1.124-1","6.1.128-1","6.1.129-1","6.1.133-1","6.1.135-1","6.1.137-1","6.1.139-1","6.1.140-1","6.1.147-1","6.1.148-1","6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1","6.1.85-1","6.1.90-1","6.1.90-1~bpo11+1","6.1.94-1","6.1.94-1~bpo11+1","6.1.98-1","6.1.99-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39812.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.48-1"}]}],"versions":["6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39812.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.16.5-1"}]}],"versions":["6.12.100-1","6.12.101-1","6.12.105-1","6.12.107-1","6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1","6.12.69-1~bpo12+1","6.12.73-1","6.12.73-1~bpo12+1","6.12.74-1","6.12.74-2","6.12.74-2~bpo12+1","6.12.85-1","6.12.85-1~bpo12+1","6.12.86-1","6.12.86-1~bpo12+1","6.12.88-1","6.12.88-1~bpo12+1","6.12.90-1","6.12.90-1~bpo12+1","6.12.90-2","6.12.90-2~bpo12+1","6.12.94-1","6.12.94-1~bpo12+1","6.12.95-1","6.12.95-1~bpo12+1","6.12.96-1","6.13.10-1~exp1","6.13.11-1~exp1","6.13.2-1~exp1","6.13.3-1~exp1","6.13.4-1~exp1","6.13.5-1~exp1","6.13.6-1~exp1","6.13.7-1~exp1","6.13.8-1~exp1","6.13.9-1~exp1","6.13~rc6-1~exp1","6.13~rc7-1~exp1","6.14.3-1~exp1","6.14.5-1~exp1","6.14.6-1~exp1","6.15-1~exp1","6.15.1-1~exp1","6.15.2-1~exp1","6.15.3-1~exp1","6.15.4-1~exp1","6.15.5-1~exp1","6.15.6-1~exp1","6.15~rc7-1~exp1","6.16-1~exp1","6.16.1-1~exp1","6.16.3-1","6.16.3-1~bpo13+1","6.16~rc7-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39812.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}