{"id":"CVE-2026-98169","aliases":[],"cve":{"records":[{"id":"CVE-2026-98169","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.322Z","published":"2026-10-06T08:44:14.339Z","modified":"2026-10-30T12:37:47.892Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-10-30T12:37:47.892Z"}],"references":[{"url":"https://git.kernel.org/stable/c/67ef1d6da00f4f39eb5fcebe7a44fe494b645059","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/5edf5b398d49b881c0df79d6e4f6df251236c533","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/15a221c734b9d044ab769e7e3606b2cab96fb65a","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/74995ee8305a7c4d76ee70d6acd996a75eda3c03","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/210f0f1f67817e7d2348b86b5115a9b85ef5c98b","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/1cdf0d304d820fb13bf0faf532c3459600f9ea43","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/dbe452a905dfe2804647530a9ff3d7e3826ed04d","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/4775c3b7a597907e0b97556c7986fda238a377ae","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.125"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18.6"}]}]}]}],"prioritization":[]},"title":"smb: client: fix potential OOB read in smb3_enum_snapshots()","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix potential OOB read in smb3_enum_snapshots()\n\nIf snapshot_array_size is smaller than GMT_TOKEN_SIZE,\nsmb3_enum_snapshots() sets ret_data_len to\nsizeof(struct smb_snapshot_array) without verifying the actual length\nof the server's reply.\n\nBecause SMB2_ioctl() places no lower bound on the server-supplied\nOutputCount and allocates retbuf to exactly that length, a short reply\nresults in ret_data_len exceeding the size of retbuf. The subsequent\ncopy_to_user() then reads past the end of retbuf, leaking adjacent slab\nmemory to userspace.  The subsequent clamp check is ineffective as it\nonly reduces ret_data_len.\n\nFix this by rejecting replies shorter than\nsizeof(struct smb_snapshot_array) with -EIO. Note that the bound is set\nto the 12-byte struct size rather than the 16-byte\nMIN_SNAPSHOT_ARRAY_SIZE defined in MS-SMB2 3.3.5.15.1, because 12 bytes\nis exactly what copy_to_user() attempts to read.","score":7.1,"severity":"high","published":"2026-10-06T08:44:14.339Z","modified":"2026-10-30T12:37:47.892Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"67ef1d6da00f4f39eb5fcebe7a44fe494b645059","versionType":"git"},{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"5edf5b398d49b881c0df79d6e4f6df251236c533","versionType":"git"},{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"15a221c734b9d044ab769e7e3606b2cab96fb65a","versionType":"git"},{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"74995ee8305a7c4d76ee70d6acd996a75eda3c03","versionType":"git"},{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"210f0f1f67817e7d2348b86b5115a9b85ef5c98b","versionType":"git"},{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"1cdf0d304d820fb13bf0faf532c3459600f9ea43","versionType":"git"},{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"dbe452a905dfe2804647530a9ff3d7e3826ed04d","versionType":"git"},{"version":"e02789a53d71334b067ad72eee5d4e88a0158083","status":"affected","lessThan":"4775c3b7a597907e0b97556c7986fda238a377ae","versionType":"git"},{"version":"a94703ff8e3647f8a9a3a92a468450299a7b77e9","status":"affected","versionType":"git"},{"version":"82a856f527334ffd69aae26e7dd9e03b19c4a520","status":"affected","versionType":"git"},{"version":"25b981bfe192fd208ba04c81f4aa30ffb5141660","status":"affected","versionType":"git"},{"version":"4.9.125","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.68","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.18.6","status":"affected","lessThan":"4.19","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98169"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98169"}],"remediation":[],"references":["https://git.kernel.org/stable/c/67ef1d6da00f4f39eb5fcebe7a44fe494b645059","https://git.kernel.org/stable/c/5edf5b398d49b881c0df79d6e4f6df251236c533","https://git.kernel.org/stable/c/15a221c734b9d044ab769e7e3606b2cab96fb65a","https://git.kernel.org/stable/c/74995ee8305a7c4d76ee70d6acd996a75eda3c03","https://git.kernel.org/stable/c/210f0f1f67817e7d2348b86b5115a9b85ef5c98b","https://git.kernel.org/stable/c/1cdf0d304d820fb13bf0faf532c3459600f9ea43","https://git.kernel.org/stable/c/dbe452a905dfe2804647530a9ff3d7e3826ed04d","https://git.kernel.org/stable/c/4775c3b7a597907e0b97556c7986fda238a377ae"],"sources":[{"name":"CVE","id":"CVE-2026-98169","modified":"2026-10-30T12:37:47.892Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-98169"}],"assessments":[{"source":"Linux","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","score":7.1}],"sourceAffected":[],"observedAt":"2026-10-30T14:00:49.747Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:00:32.916Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}