{"api_version":"1","generated_at":"2026-04-16T23:39:54+00:00","cve":"CVE-2026-23372","urls":{"html":"https://cve.report/CVE-2026-23372","api":"https://cve.report/api/cve/CVE-2026-23372.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23372","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23372"},"summary":{"title":"nfc: rawsock: cancel tx_work before socket teardown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: rawsock: cancel tx_work before socket teardown\n\nIn rawsock_release(), cancel any pending tx_work and purge the write\nqueue before orphaning the socket.  rawsock_tx_work runs on the system\nworkqueue and calls nfc_data_exchange which dereferences the NCI\ndevice.  Without synchronization, tx_work can race with socket and\ndevice teardown when a process is killed (e.g. by SIGKILL), leading\nto use-after-free or leaked references.\n\nSet SEND_SHUTDOWN first so that if tx_work is already running it will\nsee the flag and skip transmitting, then use cancel_work_sync to wait\nfor any in-progress execution to finish, and finally purge any\nremaining queued skbs.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-25 11:16:36","updated_at":"2026-04-02 15:16:32"},"problem_types":[],"metrics":[{"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/da4515fc8263c5933ed605e396af91079806dc45","name":"https://git.kernel.org/stable/c/da4515fc8263c5933ed605e396af91079806dc45","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d793458c45df2aed498d7f74145eab7ee22d25aa","name":"https://git.kernel.org/stable/c/d793458c45df2aed498d7f74145eab7ee22d25aa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/78141b8832e16d80d09cbefb4258612db0777a24","name":"https://git.kernel.org/stable/c/78141b8832e16d80d09cbefb4258612db0777a24","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/722a28b635ec281bb08a23885223526d8e7d6526","name":"https://git.kernel.org/stable/c/722a28b635ec281bb08a23885223526d8e7d6526","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/edc988613def90c5b558e025b1b423f48007be06","name":"https://git.kernel.org/stable/c/edc988613def90c5b558e025b1b423f48007be06","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3ae592ed91bb4b6b51df256b51045c13d2656049","name":"https://git.kernel.org/stable/c/3ae592ed91bb4b6b51df256b51045c13d2656049","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23372","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23372","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23b7869c0fd08d73c9f83a2db88a13312d6198bb 3ae592ed91bb4b6b51df256b51045c13d2656049 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23b7869c0fd08d73c9f83a2db88a13312d6198bb 722a28b635ec281bb08a23885223526d8e7d6526 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23b7869c0fd08d73c9f83a2db88a13312d6198bb 78141b8832e16d80d09cbefb4258612db0777a24 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23b7869c0fd08d73c9f83a2db88a13312d6198bb edc988613def90c5b558e025b1b423f48007be06 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23372","cve":"CVE-2026-23372","epss":"0.000140000","percentile":"0.024160000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:40"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/nfc/rawsock.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3ae592ed91bb4b6b51df256b51045c13d2656049","status":"affected","version":"23b7869c0fd08d73c9f83a2db88a13312d6198bb","versionType":"git"},{"lessThan":"722a28b635ec281bb08a23885223526d8e7d6526","status":"affected","version":"23b7869c0fd08d73c9f83a2db88a13312d6198bb","versionType":"git"},{"lessThan":"78141b8832e16d80d09cbefb4258612db0777a24","status":"affected","version":"23b7869c0fd08d73c9f83a2db88a13312d6198bb","versionType":"git"},{"lessThan":"edc988613def90c5b558e025b1b423f48007be06","status":"affected","version":"23b7869c0fd08d73c9f83a2db88a13312d6198bb","versionType":"git"},{"lessThan":"da4515fc8263c5933ed605e396af91079806dc45","status":"affected","version":"23b7869c0fd08d73c9f83a2db88a13312d6198bb","versionType":"git"},{"lessThan":"d793458c45df2aed498d7f74145eab7ee22d25aa","status":"affected","version":"23b7869c0fd08d73c9f83a2db88a13312d6198bb","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/nfc/rawsock.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.1"},{"lessThan":"3.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.77","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.7","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0-rc3","versionStartIncluding":"3.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: rawsock: cancel tx_work before socket teardown\n\nIn rawsock_release(), cancel any pending tx_work and purge the write\nqueue before orphaning the socket.  rawsock_tx_work runs on the system\nworkqueue and calls nfc_data_exchange which dereferences the NCI\ndevice.  Without synchronization, tx_work can race with socket and\ndevice teardown when a process is killed (e.g. by SIGKILL), leading\nto use-after-free or leaked references.\n\nSet SEND_SHUTDOWN first so that if tx_work is already running it will\nsee the flag and skip transmitting, then use cancel_work_sync to wait\nfor any in-progress execution to finish, and finally purge any\nremaining queued skbs."}],"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":"2026-04-02T14:44:24.404Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3ae592ed91bb4b6b51df256b51045c13d2656049"},{"url":"https://git.kernel.org/stable/c/722a28b635ec281bb08a23885223526d8e7d6526"},{"url":"https://git.kernel.org/stable/c/78141b8832e16d80d09cbefb4258612db0777a24"},{"url":"https://git.kernel.org/stable/c/edc988613def90c5b558e025b1b423f48007be06"},{"url":"https://git.kernel.org/stable/c/da4515fc8263c5933ed605e396af91079806dc45"},{"url":"https://git.kernel.org/stable/c/d793458c45df2aed498d7f74145eab7ee22d25aa"}],"title":"nfc: rawsock: cancel tx_work before socket teardown","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23372","datePublished":"2026-03-25T10:27:53.308Z","dateReserved":"2026-01-13T15:37:46.003Z","dateUpdated":"2026-04-02T14:44:24.404Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 11:16:36","lastModifiedDate":"2026-04-02 15:16:32","problem_types":[],"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}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23372","Ordinal":"1","Title":"nfc: rawsock: cancel tx_work before socket teardown","CVE":"CVE-2026-23372","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23372","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: rawsock: cancel tx_work before socket teardown\n\nIn rawsock_release(), cancel any pending tx_work and purge the write\nqueue before orphaning the socket.  rawsock_tx_work runs on the system\nworkqueue and calls nfc_data_exchange which dereferences the NCI\ndevice.  Without synchronization, tx_work can race with socket and\ndevice teardown when a process is killed (e.g. by SIGKILL), leading\nto use-after-free or leaked references.\n\nSet SEND_SHUTDOWN first so that if tx_work is already running it will\nsee the flag and skip transmitting, then use cancel_work_sync to wait\nfor any in-progress execution to finish, and finally purge any\nremaining queued skbs.","Type":"Description","Title":"nfc: rawsock: cancel tx_work before socket teardown"}]}}}