{"api_version":"1","generated_at":"2026-07-23T12:47:36+00:00","cve":"CVE-2025-38499","urls":{"html":"https://cve.report/CVE-2025-38499","api":"https://cve.report/api/cve/CVE-2025-38499.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-38499","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-38499"},"summary":{"title":"clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nclone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns\n\nWhat we want is to verify there is that clone won't expose something\nhidden by a mount we wouldn't be able to undo.  \"Wouldn't be able to undo\"\nmay be a result of MNT_LOCKED on a child, but it may also come from\nlacking admin rights in the userns of the namespace mount belongs to.\n\nclone_private_mnt() checks the former, but not the latter.\n\nThere's a number of rather confusing CAP_SYS_ADMIN checks in various\nuserns during the mount, especially with the new mount API; they serve\ndifferent purposes and in case of clone_private_mnt() they usually,\nbut not always end up covering the missing check mentioned above.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-08-11 16:15:30","updated_at":"2026-05-12 13:16:51"},"problem_types":["NVD-CWE-noinfo"],"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"}}],"references":[{"url":"https://git.kernel.org/stable/c/36fecd740de2d542d2091d65d36554ee2bcf9c65","name":"https://git.kernel.org/stable/c/36fecd740de2d542d2091d65d36554ee2bcf9c65","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","name":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c28f922c9dcee0e4876a2c095939d77fe7e15116","name":"https://git.kernel.org/stable/c/c28f922c9dcee0e4876a2c095939d77fe7e15116","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e77078e52fbf018ab986efb3c79065ab35025607","name":"https://git.kernel.org/stable/c/e77078e52fbf018ab986efb3c79065ab35025607","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d717325b5ecf2a40daca85c61923e17f32306179","name":"https://git.kernel.org/stable/c/d717325b5ecf2a40daca85c61923e17f32306179","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/38628ae06e2a37770cd794802a3f1310cf9846e3","name":"https://git.kernel.org/stable/c/38628ae06e2a37770cd794802a3f1310cf9846e3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dc6a664089f10eab0fb36b6e4f705022210191d2","name":"https://git.kernel.org/stable/c/dc6a664089f10eab0fb36b6e4f705022210191d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-38499","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38499","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 427215d85e8d1476da1a86b8d67aceb485eb3631 36fecd740de2d542d2091d65d36554ee2bcf9c65 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 427215d85e8d1476da1a86b8d67aceb485eb3631 d717325b5ecf2a40daca85c61923e17f32306179 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 427215d85e8d1476da1a86b8d67aceb485eb3631 dc6a664089f10eab0fb36b6e4f705022210191d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 427215d85e8d1476da1a86b8d67aceb485eb3631 e77078e52fbf018ab986efb3c79065ab35025607 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 427215d85e8d1476da1a86b8d67aceb485eb3631 38628ae06e2a37770cd794802a3f1310cf9846e3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 427215d85e8d1476da1a86b8d67aceb485eb3631 c28f922c9dcee0e4876a2c095939d77fe7e15116 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c6e8810d25295acb40a7b69ed3962ff181919571 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e3eee87c846dc47f6d8eb6d85e7271f24122a279 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 517b875dfbf58f0c6c9e32dc90f5cf42d71a42ce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 963d85d630dabe75a3cfde44a006fec3304d07b8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 812f39ed5b0b7f34868736de3055c92c7c4cf459 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6a002d48a66076524f67098132538bef17e8445e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 41812f4b84484530057513478c6770590347dc30 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.190 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.147 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.100 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.40 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15.3 6.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.16 * original_commit_for_fix","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"38499","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":"2025-11-03T17:39:08.627Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"title":"CVE Program Container"},{"affected":[{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T12:05:11.848Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}],"x_adpType":"supplier"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/namespace.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"36fecd740de2d542d2091d65d36554ee2bcf9c65","status":"affected","version":"427215d85e8d1476da1a86b8d67aceb485eb3631","versionType":"git"},{"lessThan":"d717325b5ecf2a40daca85c61923e17f32306179","status":"affected","version":"427215d85e8d1476da1a86b8d67aceb485eb3631","versionType":"git"},{"lessThan":"dc6a664089f10eab0fb36b6e4f705022210191d2","status":"affected","version":"427215d85e8d1476da1a86b8d67aceb485eb3631","versionType":"git"},{"lessThan":"e77078e52fbf018ab986efb3c79065ab35025607","status":"affected","version":"427215d85e8d1476da1a86b8d67aceb485eb3631","versionType":"git"},{"lessThan":"38628ae06e2a37770cd794802a3f1310cf9846e3","status":"affected","version":"427215d85e8d1476da1a86b8d67aceb485eb3631","versionType":"git"},{"lessThan":"c28f922c9dcee0e4876a2c095939d77fe7e15116","status":"affected","version":"427215d85e8d1476da1a86b8d67aceb485eb3631","versionType":"git"},{"status":"affected","version":"c6e8810d25295acb40a7b69ed3962ff181919571","versionType":"git"},{"status":"affected","version":"e3eee87c846dc47f6d8eb6d85e7271f24122a279","versionType":"git"},{"status":"affected","version":"517b875dfbf58f0c6c9e32dc90f5cf42d71a42ce","versionType":"git"},{"status":"affected","version":"963d85d630dabe75a3cfde44a006fec3304d07b8","versionType":"git"},{"status":"affected","version":"812f39ed5b0b7f34868736de3055c92c7c4cf459","versionType":"git"},{"status":"affected","version":"6a002d48a66076524f67098132538bef17e8445e","versionType":"git"},{"status":"affected","version":"41812f4b84484530057513478c6770590347dc30","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/namespace.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.190","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.147","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.100","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.40","versionType":"semver"},{"lessThanOrEqual":"6.15.*","status":"unaffected","version":"6.15.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.16","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.190","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.147","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.100","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.40","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.15.3","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.16","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.281","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.280","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.244","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.204","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.141","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.59","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nclone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns\n\nWhat we want is to verify there is that clone won't expose something\nhidden by a mount we wouldn't be able to undo.  \"Wouldn't be able to undo\"\nmay be a result of MNT_LOCKED on a child, but it may also come from\nlacking admin rights in the userns of the namespace mount belongs to.\n\nclone_private_mnt() checks the former, but not the latter.\n\nThere's a number of rather confusing CAP_SYS_ADMIN checks in various\nuserns during the mount, especially with the new mount API; they serve\ndifferent purposes and in case of clone_private_mnt() they usually,\nbut not always end up covering the missing check mentioned above."}],"providerMetadata":{"dateUpdated":"2026-05-11T21:29:12.146Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/36fecd740de2d542d2091d65d36554ee2bcf9c65"},{"url":"https://git.kernel.org/stable/c/d717325b5ecf2a40daca85c61923e17f32306179"},{"url":"https://git.kernel.org/stable/c/dc6a664089f10eab0fb36b6e4f705022210191d2"},{"url":"https://git.kernel.org/stable/c/e77078e52fbf018ab986efb3c79065ab35025607"},{"url":"https://git.kernel.org/stable/c/38628ae06e2a37770cd794802a3f1310cf9846e3"},{"url":"https://git.kernel.org/stable/c/c28f922c9dcee0e4876a2c095939d77fe7e15116"}],"title":"clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-38499","datePublished":"2025-08-11T16:01:08.257Z","dateReserved":"2025-04-16T04:51:24.022Z","dateUpdated":"2026-05-12T12:05:11.848Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-08-11 16:15:30","lastModifiedDate":"2026-05-12 13:16:51","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"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":"4.4.281","versionEndExcluding":"4.5","matchCriteriaId":"5535FC0D-74B0-40D6-9F0A-6613211BD394"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.280","versionEndExcluding":"4.10","matchCriteriaId":"DA4F8FAA-0A0A-4B05-9FD2-9B363CB18052"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.244","versionEndExcluding":"4.15","matchCriteriaId":"0BB634A6-F36F-476C-94DA-84A3ABF7A170"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.204","versionEndExcluding":"4.20","matchCriteriaId":"B955CF5A-B1F2-423D-B6CA-0D920E17DF1B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.141","versionEndExcluding":"5.5","matchCriteriaId":"1418F9CC-F473-45C3-BECA-6717DB26D246"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.59","versionEndExcluding":"5.11","matchCriteriaId":"E50E0919-685C-4AEA-9CA2-9A611C3C1021"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13.11","versionEndExcluding":"5.14","matchCriteriaId":"91EB0938-272F-4A6B-9615-988B8A8B0145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14.1","versionEndExcluding":"5.15.190","matchCriteriaId":"1A202E7B-1B3B-4A22-865A-DDFC127C9289"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.147","matchCriteriaId":"A4FD62FC-0DAE-4ACE-8C9C-66156518C3E1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.100","matchCriteriaId":"094B81E0-B756-4727-85CA-F3F8D1C9D116"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.40","matchCriteriaId":"0099D5A4-B157-4D36-8858-982C7D579030"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.15.3","matchCriteriaId":"0541C761-BD5E-4C1A-8432-83B375D7EB92"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*","matchCriteriaId":"6A05198E-F8FA-4517-8D0E-8C95066AED38"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.14:rc6:*:*:*:*:*:*","matchCriteriaId":"15013998-4AF0-4CDC-AB13-829ECD8A8E66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.14:rc7:*:*:*:*:*:*","matchCriteriaId":"376A25CF-C05B-48F1-99B1-8FB0314A8E06"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","matchCriteriaId":"FA6FEEC2-9F11-4643-8827-749718254FED"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"38499","Ordinal":"1","Title":"clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in ","CVE":"CVE-2025-38499","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"38499","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nclone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns\n\nWhat we want is to verify there is that clone won't expose something\nhidden by a mount we wouldn't be able to undo.  \"Wouldn't be able to undo\"\nmay be a result of MNT_LOCKED on a child, but it may also come from\nlacking admin rights in the userns of the namespace mount belongs to.\n\nclone_private_mnt() checks the former, but not the latter.\n\nThere's a number of rather confusing CAP_SYS_ADMIN checks in various\nuserns during the mount, especially with the new mount API; they serve\ndifferent purposes and in case of clone_private_mnt() they usually,\nbut not always end up covering the missing check mentioned above.","Type":"Description","Title":"clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in "}]}}}