{"id":"CVE-2025-22062","revision":null,"records":[{"revision":"355c4d56493c466983e1c160f4d0644a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-22062","aliases":[],"title":"sctp: add mutual exclusion in proc_sctp_do_udp_port()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: add mutual exclusion in proc_sctp_do_udp_port()\n\nWe must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start()\nor risk a crash as syzbot reported:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]\nCPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\n RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653\nCall Trace:\n \n udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181\n sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930\n proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553\n proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601\n iter_file_splice_write+0x91c/0x1150 fs/splice.c:738\n do_splice_from fs/splice.c:935 [inline]\n direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158\n splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102\n do_splice_direct_actor fs/splice.c:1201 [inline]\n do_splice_direct+0x174/0x240 fs/splice.c:1227\n do_sendfile+0xafd/0xe50 fs/read_write.c:1368\n __do_sys_sendfile64 fs/read_write.c:1429 [inline]\n __se_sys_sendfile64 fs/read_write.c:1415 [inline]\n __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]","state":0,"publishedAt":"2025-04-16T14:12:17.605+00:00","modifiedAt":"2026-10-15T21:51:57.395+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/sctp/sysctl.c\"\n ],\n \"versions\": [\n {\n \"version\": \"046c052b475e7119b6a30e3483e2888fc606a2f8\",\n \"lessThan\": \"65ccb2793da7401772a3ffe85355c831b313c59f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"046c052b475e7119b6a30e3483e2888fc606a2f8\",\n \"lessThan\": \"386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"046c052b475e7119b6a30e3483e2888fc606a2f8\",\n \"lessThan\": \"b3598f53211ba1025485306de2733bdd241311a3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"046c052b475e7119b6a30e3483e2888fc606a2f8\",\n \"lessThan\": \"e5178bfc55b3a78000f0f8298e7ade88783ce581\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"046c052b475e7119b6a30e3483e2888fc606a2f8\",\n \"lessThan\": \"efb8cb487be8f4ba6aaef616011d702d6a083ed1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"046c052b475e7119b6a30e3483e2888fc606a2f8\",\n \"lessThan\": \"d3d7675d77622f6ca1aae14c51f80027b36283f8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"046c052b475e7119b6a30e3483e2888fc606a2f8\",\n \"lessThan\": \"10206302af856791fbcc27a33ed3c3eb09b2793d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/sctp/sysctl.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.11\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.11\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.184\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.140\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.92\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.23\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.13.11\",\n \"lessThanOrEqual\": \"6.13.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.14.2\",\n \"lessThanOrEqual\": \"6.14.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.15\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/65ccb2793da7401772a3ffe85355c831b313c59f","https://git.kernel.org/stable/c/386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d","https://git.kernel.org/stable/c/b3598f53211ba1025485306de2733bdd241311a3","https://git.kernel.org/stable/c/e5178bfc55b3a78000f0f8298e7ade88783ce581","https://git.kernel.org/stable/c/efb8cb487be8f4ba6aaef616011d702d6a083ed1","https://git.kernel.org/stable/c/d3d7675d77622f6ca1aae14c51f80027b36283f8","https://git.kernel.org/stable/c/10206302af856791fbcc27a33ed3c3eb09b2793d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-22062","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-22062","identifiers":["CVE-2025-22062"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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