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
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
|
History
16 Jan 2026, 20:08
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:* |
|
| References | () https://git.kernel.org/stable/c/17d6c7747045e9b802c2f5dfaba260d309d831ae - Patch | |
| References | () https://git.kernel.org/stable/c/1bbc0c02aea1f1c405bd1271466889c25a1fe01b - Patch | |
| References | () https://git.kernel.org/stable/c/2e8750469242cad8f01f320131fd5a6f540dbb99 - Patch | |
| References | () https://git.kernel.org/stable/c/45e4b36593edffb7bbee5828ae820bc10a9fa0f3 - Patch | |
| References | () https://git.kernel.org/stable/c/463aa96fca6209bb205f49f7deea3817d7ddaa3a - Patch | |
| References | () https://git.kernel.org/stable/c/65b4693d8bab5370cfcb44a275b4d8dcb06e56bf - Patch | |
| References | () https://git.kernel.org/stable/c/9546934c2054bba1bd605c44e936619159a34027 - Patch | |
| References | () https://git.kernel.org/stable/c/f6c2cc99fc2387ba6499facd6108f6543382792d - Patch | |
| References | () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - Third Party Advisory | |
| References | () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - Third Party Advisory | |
| First Time |
Linux
Debian Debian debian Linux Linux linux Kernel |
|
| CWE | CWE-908 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
03 Nov 2025, 18:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
16 Sep 2025, 13:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-09-16 13:15
Updated : 2026-01-16 20:08
NVD link : CVE-2025-39812
Mitre link : CVE-2025-39812
CVE.ORG link : CVE-2025-39812
JSON object : View
Products Affected
debian
- debian_linux
linux
- linux_kernel
CWE
CWE-908
Use of Uninitialized Resource