{"api_version":"1","generated_at":"2026-10-29T13:09:02+00:00","cve":"CVE-2023-54063","urls":{"html":"https://cve.report/CVE-2023-54063","api":"https://cve.report/api/cve/CVE-2023-54063.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-54063","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-54063"},"summary":{"title":"fs/ntfs3: Fix OOB read in indx_insert_into_buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix OOB read in indx_insert_into_buffer\n\nSyzbot reported a OOB read bug:\n\nBUG: KASAN: slab-out-of-bounds in indx_insert_into_buffer+0xaa3/0x13b0\nfs/ntfs3/index.c:1755\nRead of size 17168 at addr ffff8880255e06c0 by task syz-executor308/3630\n\nCall Trace:\n <TASK>\n memmove+0x25/0x60 mm/kasan/shadow.c:54\n indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755\n indx_insert_entry+0x446/0x6b0 fs/ntfs3/index.c:1863\n ntfs_create_inode+0x1d3f/0x35c0 fs/ntfs3/inode.c:1548\n ntfs_create+0x3e/0x60 fs/ntfs3/namei.c:100\n lookup_open fs/namei.c:3413 [inline]\n\nIf the member struct INDEX_BUFFER *index of struct indx_node is\nincorrect, that is, the value of __le32 used is greater than the value\nof __le32 total in struct INDEX_HDR. Therefore, OOB read occurs when\nmemmove is called in indx_insert_into_buffer().\nFix this by adding a check in hdr_find_e().","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-24 13:16:08","updated_at":"2026-08-04 10:19:26"},"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/a7e5dba10ba1402dd6c2f961a70320770865c4a5","name":"https://git.kernel.org/stable/c/a7e5dba10ba1402dd6c2f961a70320770865c4a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b8c44949044e5f7f864525fdffe8e95135ce9ce5","name":"https://git.kernel.org/stable/c/b8c44949044e5f7f864525fdffe8e95135ce9ce5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4bf3b564e27a518f158a83d5e1a50064ed6136a0","name":"https://git.kernel.org/stable/c/4bf3b564e27a518f158a83d5e1a50064ed6136a0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cd7e1d67924081717c5c96ead758a1a77867689a","name":"https://git.kernel.org/stable/c/cd7e1d67924081717c5c96ead758a1a77867689a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/17048287ac79abd33b275ac3b5738285d406481b","name":"https://git.kernel.org/stable/c/17048287ac79abd33b275ac3b5738285d406481b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-54063","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54063","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 cd7e1d67924081717c5c96ead758a1a77867689a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 17048287ac79abd33b275ac3b5738285d406481b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 a7e5dba10ba1402dd6c2f961a70320770865c4a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 4bf3b564e27a518f158a83d5e1a50064ed6136a0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 b8c44949044e5f7f864525fdffe8e95135ce9ce5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.111 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.28 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.2.15 6.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3.2 6.3.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2023","cve_id":"54063","cve":"CVE-2023-54063","epss":"0.001700000","percentile":"0.066130000","score_date":"2026-08-06","updated_at":"2026-08-07 00:14:20"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ntfs3/index.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cd7e1d67924081717c5c96ead758a1a77867689a","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"17048287ac79abd33b275ac3b5738285d406481b","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"a7e5dba10ba1402dd6c2f961a70320770865c4a5","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"4bf3b564e27a518f158a83d5e1a50064ed6136a0","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"b8c44949044e5f7f864525fdffe8e95135ce9ce5","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ntfs3/index.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.111","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.28","versionType":"semver"},{"lessThanOrEqual":"6.2.*","status":"unaffected","version":"6.2.15","versionType":"semver"},{"lessThanOrEqual":"6.3.*","status":"unaffected","version":"6.3.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.111","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.28","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.2.15","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.3.2","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.4","versionStartIncluding":"5.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix OOB read in indx_insert_into_buffer\n\nSyzbot reported a OOB read bug:\n\nBUG: KASAN: slab-out-of-bounds in indx_insert_into_buffer+0xaa3/0x13b0\nfs/ntfs3/index.c:1755\nRead of size 17168 at addr ffff8880255e06c0 by task syz-executor308/3630\n\nCall Trace:\n <TASK>\n memmove+0x25/0x60 mm/kasan/shadow.c:54\n indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755\n indx_insert_entry+0x446/0x6b0 fs/ntfs3/index.c:1863\n ntfs_create_inode+0x1d3f/0x35c0 fs/ntfs3/inode.c:1548\n ntfs_create+0x3e/0x60 fs/ntfs3/namei.c:100\n lookup_open fs/namei.c:3413 [inline]\n\nIf the member struct INDEX_BUFFER *index of struct indx_node is\nincorrect, that is, the value of __le32 used is greater than the value\nof __le32 total in struct INDEX_HDR. Therefore, OOB read occurs when\nmemmove is called in indx_insert_into_buffer().\nFix this by adding a check in hdr_find_e()."}],"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":"2026-08-04T09:17:24.190Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/cd7e1d67924081717c5c96ead758a1a77867689a"},{"url":"https://git.kernel.org/stable/c/17048287ac79abd33b275ac3b5738285d406481b"},{"url":"https://git.kernel.org/stable/c/a7e5dba10ba1402dd6c2f961a70320770865c4a5"},{"url":"https://git.kernel.org/stable/c/4bf3b564e27a518f158a83d5e1a50064ed6136a0"},{"url":"https://git.kernel.org/stable/c/b8c44949044e5f7f864525fdffe8e95135ce9ce5"}],"title":"fs/ntfs3: Fix OOB read in indx_insert_into_buffer","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-54063","datePublished":"2025-12-24T12:23:09.346Z","dateReserved":"2025-12-24T12:21:05.092Z","dateUpdated":"2026-08-04T09:17:24.190Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-24 13:16:08","lastModifiedDate":"2026-08-04 10:19:26","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":"2023","CveId":"54063","Ordinal":"1","Title":"fs/ntfs3: Fix OOB read in indx_insert_into_buffer","CVE":"CVE-2023-54063","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"54063","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix OOB read in indx_insert_into_buffer\n\nSyzbot reported a OOB read bug:\n\nBUG: KASAN: slab-out-of-bounds in indx_insert_into_buffer+0xaa3/0x13b0\nfs/ntfs3/index.c:1755\nRead of size 17168 at addr ffff8880255e06c0 by task syz-executor308/3630\n\nCall Trace:\n <TASK>\n memmove+0x25/0x60 mm/kasan/shadow.c:54\n indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755\n indx_insert_entry+0x446/0x6b0 fs/ntfs3/index.c:1863\n ntfs_create_inode+0x1d3f/0x35c0 fs/ntfs3/inode.c:1548\n ntfs_create+0x3e/0x60 fs/ntfs3/namei.c:100\n lookup_open fs/namei.c:3413 [inline]\n\nIf the member struct INDEX_BUFFER *index of struct indx_node is\nincorrect, that is, the value of __le32 used is greater than the value\nof __le32 total in struct INDEX_HDR. Therefore, OOB read occurs when\nmemmove is called in indx_insert_into_buffer().\nFix this by adding a check in hdr_find_e().","Type":"Description","Title":"fs/ntfs3: Fix OOB read in indx_insert_into_buffer"}]}}}