{"id":"CVE-2026-53023","summary":"fs/ntfs3: terminate the cached volume label after UTF-8 conversion","details":"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-\u003evolume.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-\u003evolume.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.","modified":"2026-07-12T03:55:04.806428276Z","published":"2026-06-24T16:29:32.440Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53023.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b11fcbe80a59acdf58337d80ebb5f72201d73d6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/32b0686369e0afbb3549a0d93e2d8517da84cd30"},{"type":"WEB","url":"https://git.kernel.org/stable/c/54d564b762389679e2f8fb9eeb20af7e82371e1c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5cd0707b81cb4589f00aec5c4c1288bd0980d2a4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6136bbb054f7ab9f51ae99915541633b18bcef90"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a6cd43fe9b083fa23fe1595666d5738856cb261a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53023.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53023"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"82cae269cfa953032fbb8980a7d554d60fb00b17"},{"fixed":"32b0686369e0afbb3549a0d93e2d8517da84cd30"},{"fixed":"bc7a0c34c4ca259cfddf3bc18fc5b3c6411d26ed"},{"fixed":"0b11fcbe80a59acdf58337d80ebb5f72201d73d6"},{"fixed":"54d564b762389679e2f8fb9eeb20af7e82371e1c"},{"fixed":"6136bbb054f7ab9f51ae99915541633b18bcef90"},{"fixed":"5cd0707b81cb4589f00aec5c4c1288bd0980d2a4"},{"fixed":"a6cd43fe9b083fa23fe1595666d5738856cb261a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53023.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.141"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.91"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53023.json"}}],"schema_version":"1.7.5"}