{"api_version":"1","generated_at":"2026-08-02T13:58:02+00:00","cve":"CVE-2025-22062","urls":{"html":"https://cve.report/CVE-2025-22062","api":"https://cve.report/api/cve/CVE-2025-22062.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-22062","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-22062"},"summary":{"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 <TASK>\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":"PUBLISHED","assigner":"Linux","published_at":"2025-04-16 15:15:59","updated_at":"2026-07-30 06:22:10"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/d3d7675d77622f6ca1aae14c51f80027b36283f8","name":"https://git.kernel.org/stable/c/d3d7675d77622f6ca1aae14c51f80027b36283f8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d","name":"https://git.kernel.org/stable/c/386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html","name":"https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e5178bfc55b3a78000f0f8298e7ade88783ce581","name":"https://git.kernel.org/stable/c/e5178bfc55b3a78000f0f8298e7ade88783ce581","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b3598f53211ba1025485306de2733bdd241311a3","name":"https://git.kernel.org/stable/c/b3598f53211ba1025485306de2733bdd241311a3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/10206302af856791fbcc27a33ed3c3eb09b2793d","name":"https://git.kernel.org/stable/c/10206302af856791fbcc27a33ed3c3eb09b2793d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/65ccb2793da7401772a3ffe85355c831b313c59f","name":"https://git.kernel.org/stable/c/65ccb2793da7401772a3ffe85355c831b313c59f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/efb8cb487be8f4ba6aaef616011d702d6a083ed1","name":"https://git.kernel.org/stable/c/efb8cb487be8f4ba6aaef616011d702d6a083ed1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-22062","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-22062","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 046c052b475e7119b6a30e3483e2888fc606a2f8 65ccb2793da7401772a3ffe85355c831b313c59f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 046c052b475e7119b6a30e3483e2888fc606a2f8 386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 046c052b475e7119b6a30e3483e2888fc606a2f8 b3598f53211ba1025485306de2733bdd241311a3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 046c052b475e7119b6a30e3483e2888fc606a2f8 e5178bfc55b3a78000f0f8298e7ade88783ce581 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 046c052b475e7119b6a30e3483e2888fc606a2f8 efb8cb487be8f4ba6aaef616011d702d6a083ed1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 046c052b475e7119b6a30e3483e2888fc606a2f8 d3d7675d77622f6ca1aae14c51f80027b36283f8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 046c052b475e7119b6a30e3483e2888fc606a2f8 10206302af856791fbcc27a33ed3c3eb09b2793d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.184 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.140 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.92 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.23 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13.11 6.13.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14.2 6.14.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"22062","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2025-11-03T19:41:45.338Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}],"title":"CVE Program Container"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/sysctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"65ccb2793da7401772a3ffe85355c831b313c59f","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"b3598f53211ba1025485306de2733bdd241311a3","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"e5178bfc55b3a78000f0f8298e7ade88783ce581","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"efb8cb487be8f4ba6aaef616011d702d6a083ed1","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"d3d7675d77622f6ca1aae14c51f80027b36283f8","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"10206302af856791fbcc27a33ed3c3eb09b2793d","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/sctp/sysctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.11"},{"lessThan":"5.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.184","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.140","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.92","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.23","versionType":"semver"},{"lessThanOrEqual":"6.13.*","status":"unaffected","version":"6.13.11","versionType":"semver"},{"lessThanOrEqual":"6.14.*","status":"unaffected","version":"6.14.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.15","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.184","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.140","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.92","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.23","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.13.11","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.14.2","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.15","versionStartIncluding":"5.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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 <TASK>\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]"}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-30T05:48:11.500Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/65ccb2793da7401772a3ffe85355c831b313c59f"},{"url":"https://git.kernel.org/stable/c/386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d"},{"url":"https://git.kernel.org/stable/c/b3598f53211ba1025485306de2733bdd241311a3"},{"url":"https://git.kernel.org/stable/c/e5178bfc55b3a78000f0f8298e7ade88783ce581"},{"url":"https://git.kernel.org/stable/c/efb8cb487be8f4ba6aaef616011d702d6a083ed1"},{"url":"https://git.kernel.org/stable/c/d3d7675d77622f6ca1aae14c51f80027b36283f8"},{"url":"https://git.kernel.org/stable/c/10206302af856791fbcc27a33ed3c3eb09b2793d"}],"title":"sctp: add mutual exclusion in proc_sctp_do_udp_port()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-22062","datePublished":"2025-04-16T14:12:17.605Z","dateReserved":"2024-12-29T08:45:45.813Z","dateUpdated":"2026-07-30T05:48:11.500Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-04-16 15:15:59","lastModifiedDate":"2026-07-30 06:22:10","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.23","matchCriteriaId":"F1676A6B-00A5-44DF-98D3-6E3FA9F85D4A"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.11","matchCriteriaId":"E7E864B0-8C00-4679-BA55-659B4C9C3AD3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.14.2","matchCriteriaId":"FADAE5D8-4808-442C-B218-77B2CE8780A0"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"22062","Ordinal":"1","Title":"sctp: add mutual exclusion in proc_sctp_do_udp_port()","CVE":"CVE-2025-22062","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"22062","Ordinal":"1","NoteData":"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 <TASK>\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]","Type":"Description","Title":"sctp: add mutual exclusion in proc_sctp_do_udp_port()"}]}}}