{"api_version":"1","generated_at":"2026-07-24T21:18:46+00:00","cve":"CVE-2026-53023","urls":{"html":"https://cve.report/CVE-2026-53023","api":"https://cve.report/api/cve/CVE-2026-53023.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53023","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53023"},"summary":{"title":"fs/ntfs3: terminate the cached volume label after UTF-8 conversion","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: terminate the cached volume label after UTF-8 conversion\n\nntfs_fill_super() loads the on-disk volume label with utf16s_to_utf8s()\nand stores the result in sbi->volume.label. The converted label is later\nexposed through ntfs3_label_show() using %s, but utf16s_to_utf8s() only\nreturns the number of bytes written and does not add a trailing NUL.\n\nIf the converted label fills the entire fixed buffer,\nntfs3_label_show() can read past the end of sbi->volume.label while\nlooking for a terminator.\n\nTerminate the cached label explicitly after a successful conversion and\nclamp the exact-full case to the last byte of the buffer.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:13","updated_at":"2026-07-15 13:56:35"},"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/bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed","name":"https://git.kernel.org/stable/c/bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0b11fcbe80a59acdf58337d80ebb5f72201d73d6","name":"https://git.kernel.org/stable/c/0b11fcbe80a59acdf58337d80ebb5f72201d73d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/54d564b762389679e2f8fb9eeb20af7e82371e1c","name":"https://git.kernel.org/stable/c/54d564b762389679e2f8fb9eeb20af7e82371e1c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5cd0707b81cb4589f00aec5c4c1288bd0980d2a4","name":"https://git.kernel.org/stable/c/5cd0707b81cb4589f00aec5c4c1288bd0980d2a4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6136bbb054f7ab9f51ae99915541633b18bcef90","name":"https://git.kernel.org/stable/c/6136bbb054f7ab9f51ae99915541633b18bcef90","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/32b0686369e0afbb3549a0d93e2d8517da84cd30","name":"https://git.kernel.org/stable/c/32b0686369e0afbb3549a0d93e2d8517da84cd30","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a6cd43fe9b083fa23fe1595666d5738856cb261a","name":"https://git.kernel.org/stable/c/a6cd43fe9b083fa23fe1595666d5738856cb261a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53023","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53023","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 32b0686369e0afbb3549a0d93e2d8517da84cd30 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 0b11fcbe80a59acdf58337d80ebb5f72201d73d6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 54d564b762389679e2f8fb9eeb20af7e82371e1c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: terminate the cached volume label after UTF-8 conversion\n\nntfs_fill_super() loads the on-disk volume label with utf16s_to_utf8s()\nand stores the result in sbi->volume.label. The converted label is later\nexposed through ntfs3_label_show() using %s, but utf16s_to_utf8s() only\nreturns the number of bytes written and does not add a trailing NUL.\n\nIf the converted label fills the entire fixed buffer,\nntfs3_label_show() can read past the end of sbi->volume.label while\nlooking for a terminator.\n\nTerminate the cached label explicitly after a successful conversion and\nclamp the exact-full case to the last byte of the buffer."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:29:32.440Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/32b0686369e0afbb3549a0d93e2d8517da84cd30"},{"url":"https://git.kernel.org/stable/c/bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed"},{"url":"https://git.kernel.org/stable/c/0b11fcbe80a59acdf58337d80ebb5f72201d73d6"},{"url":"https://git.kernel.org/stable/c/54d564b762389679e2f8fb9eeb20af7e82371e1c"},{"url":"https://git.kernel.org/stable/c/6136bbb054f7ab9f51ae99915541633b18bcef90"},{"url":"https://git.kernel.org/stable/c/5cd0707b81cb4589f00aec5c4c1288bd0980d2a4"},{"url":"https://git.kernel.org/stable/c/a6cd43fe9b083fa23fe1595666d5738856cb261a"}],"title":"fs/ntfs3: terminate the cached volume label after UTF-8 conversion","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53023","datePublished":"2026-06-24T16:29:32.440Z","dateReserved":"2026-06-09T07:44:35.379Z","dateUpdated":"2026-06-24T16:29:32.440Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:13","lastModifiedDate":"2026-07-15 13:56:35","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":"5.15","versionEndExcluding":"5.15.209","matchCriteriaId":"6EDF0B07-5AB8-46F1-84C6-AAB5EF2C52B4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.175","matchCriteriaId":"92385813-D91D-480D-83A1-F423D2CBB2BA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.141","matchCriteriaId":"97A9FFFA-22BB-4D5C-9790-5A2286E392F7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.91","matchCriteriaId":"C918746B-DE6F-448F-A93E-A04C5481688D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.33","matchCriteriaId":"96D99E49-380D-43AB-BDBA-25C3AD018A9C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0.10","matchCriteriaId":"A13475D2-59BF-4716-94B5-7C1D239A2CF4"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53023","Ordinal":"1","Title":"fs/ntfs3: terminate the cached volume label after UTF-8 conversi","CVE":"CVE-2026-53023","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53023","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: terminate the cached volume label after UTF-8 conversion\n\nntfs_fill_super() loads the on-disk volume label with utf16s_to_utf8s()\nand stores the result in sbi->volume.label. The converted label is later\nexposed through ntfs3_label_show() using %s, but utf16s_to_utf8s() only\nreturns the number of bytes written and does not add a trailing NUL.\n\nIf the converted label fills the entire fixed buffer,\nntfs3_label_show() can read past the end of sbi->volume.label while\nlooking for a terminator.\n\nTerminate the cached label explicitly after a successful conversion and\nclamp the exact-full case to the last byte of the buffer.","Type":"Description","Title":"fs/ntfs3: terminate the cached volume label after UTF-8 conversi"}]}}}