{"api_version":"1","generated_at":"2026-08-15T08:03:54+00:00","cve":"CVE-2026-72194","urls":{"html":"https://cve.report/CVE-2026-72194","api":"https://cve.report/api/cve/CVE-2026-72194.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72194","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72194"},"summary":{"title":"fs/ntfs3: add depth limit to indx_find_buffer to prevent stack overflow","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: add depth limit to indx_find_buffer to prevent stack overflow\n\nindx_find_buffer() recursively descends the B+ tree index with no depth\nlimit.  A crafted NTFS image with circular index node references causes\nunbounded recursion, overflowing the kernel stack and panicking the\nsystem.\n\nThis is reachable by mounting a malicious NTFS filesystem (e.g. from a\nUSB drive via desktop automount) and deleting a file whose index entry\ntriggers the rebalancing fallback path in indx_delete_entry().\n\nAdd a depth parameter and bail out with -EINVAL when it reaches the\nfnd->nodes array bound, matching the constraint already enforced by\nfnd_push() in indx_find().\n\nThe related function indx_find() was previously patched for a similar\ninfinite-loop issue (commit 1732053c8a6b), but indx_find_buffer() was\nmissed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:37","updated_at":"2026-08-15 06:21:37"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/96fb64f9da86fd2dbd78fbe9d9e41ae27e12ce34","name":"https://git.kernel.org/stable/c/96fb64f9da86fd2dbd78fbe9d9e41ae27e12ce34","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fdf50c788e0991e42a187ff75479a0df7fb752f1","name":"https://git.kernel.org/stable/c/fdf50c788e0991e42a187ff75479a0df7fb752f1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1ebd684b8f627f75bc3e03f8b2ad8400fd1f02cd","name":"https://git.kernel.org/stable/c/1ebd684b8f627f75bc3e03f8b2ad8400fd1f02cd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/99031d4f63c785d2a985b6a4c64c4256f7117052","name":"https://git.kernel.org/stable/c/99031d4f63c785d2a985b6a4c64c4256f7117052","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/908c9243ba309997b73cbda3e4c563d0fb345ee9","name":"https://git.kernel.org/stable/c/908c9243ba309997b73cbda3e4c563d0fb345ee9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/78612f478f9fadcec4f9b3b089970da67ffb47e9","name":"https://git.kernel.org/stable/c/78612f478f9fadcec4f9b3b089970da67ffb47e9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/65357a81f64cb3fbe13b4b937586755e4b3a072f","name":"https://git.kernel.org/stable/c/65357a81f64cb3fbe13b4b937586755e4b3a072f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72194","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72194","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 99031d4f63c785d2a985b6a4c64c4256f7117052 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 65357a81f64cb3fbe13b4b937586755e4b3a072f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 96fb64f9da86fd2dbd78fbe9d9e41ae27e12ce34 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 82cae269cfa953032fbb8980a7d554d60fb00b17 78612f478f9fadcec4f9b3b089970da67ffb47e9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"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":"99031d4f63c785d2a985b6a4c64c4256f7117052","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"65357a81f64cb3fbe13b4b937586755e4b3a072f","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"96fb64f9da86fd2dbd78fbe9d9e41ae27e12ce34","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"78612f478f9fadcec4f9b3b089970da67ffb47e9","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"908c9243ba309997b73cbda3e4c563d0fb345ee9","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"fdf50c788e0991e42a187ff75479a0df7fb752f1","status":"affected","version":"82cae269cfa953032fbb8980a7d554d60fb00b17","versionType":"git"},{"lessThan":"1ebd684b8f627f75bc3e03f8b2ad8400fd1f02cd","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":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","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: add depth limit to indx_find_buffer to prevent stack overflow\n\nindx_find_buffer() recursively descends the B+ tree index with no depth\nlimit.  A crafted NTFS image with circular index node references causes\nunbounded recursion, overflowing the kernel stack and panicking the\nsystem.\n\nThis is reachable by mounting a malicious NTFS filesystem (e.g. from a\nUSB drive via desktop automount) and deleting a file whose index entry\ntriggers the rebalancing fallback path in indx_delete_entry().\n\nAdd a depth parameter and bail out with -EINVAL when it reaches the\nfnd->nodes array bound, matching the constraint already enforced by\nfnd_push() in indx_find().\n\nThe related function indx_find() was previously patched for a similar\ninfinite-loop issue (commit 1732053c8a6b), but indx_find_buffer() was\nmissed."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:53:54.125Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/99031d4f63c785d2a985b6a4c64c4256f7117052"},{"url":"https://git.kernel.org/stable/c/65357a81f64cb3fbe13b4b937586755e4b3a072f"},{"url":"https://git.kernel.org/stable/c/96fb64f9da86fd2dbd78fbe9d9e41ae27e12ce34"},{"url":"https://git.kernel.org/stable/c/78612f478f9fadcec4f9b3b089970da67ffb47e9"},{"url":"https://git.kernel.org/stable/c/908c9243ba309997b73cbda3e4c563d0fb345ee9"},{"url":"https://git.kernel.org/stable/c/fdf50c788e0991e42a187ff75479a0df7fb752f1"},{"url":"https://git.kernel.org/stable/c/1ebd684b8f627f75bc3e03f8b2ad8400fd1f02cd"}],"title":"fs/ntfs3: add depth limit to indx_find_buffer to prevent stack overflow","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72194","datePublished":"2026-08-15T05:53:54.125Z","dateReserved":"2026-08-09T03:40:39.911Z","dateUpdated":"2026-08-15T05:53:54.125Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:37","lastModifiedDate":"2026-08-15 06:21:37","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72194","Ordinal":"1","Title":"fs/ntfs3: add depth limit to indx_find_buffer to prevent stack o","CVE":"CVE-2026-72194","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72194","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: add depth limit to indx_find_buffer to prevent stack overflow\n\nindx_find_buffer() recursively descends the B+ tree index with no depth\nlimit.  A crafted NTFS image with circular index node references causes\nunbounded recursion, overflowing the kernel stack and panicking the\nsystem.\n\nThis is reachable by mounting a malicious NTFS filesystem (e.g. from a\nUSB drive via desktop automount) and deleting a file whose index entry\ntriggers the rebalancing fallback path in indx_delete_entry().\n\nAdd a depth parameter and bail out with -EINVAL when it reaches the\nfnd->nodes array bound, matching the constraint already enforced by\nfnd_push() in indx_find().\n\nThe related function indx_find() was previously patched for a similar\ninfinite-loop issue (commit 1732053c8a6b), but indx_find_buffer() was\nmissed.","Type":"Description","Title":"fs/ntfs3: add depth limit to indx_find_buffer to prevent stack o"}]}}}