{"id":"CVE-2026-99273","aliases":[],"cve":{"records":[{"id":"CVE-2026-99273","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.405Z","published":"2026-11-07T14:08:45.585Z","modified":"2026-11-10T18:15:27.637Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-11-10T18:15:27.637Z"}],"references":[{"url":"https://git.kernel.org/stable/c/583ede545a14f275a959772b5e1e50fe3e14b861","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/06a751809ebd33e95b05bf733697318a17a4872b","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/0e64f89563164719ceb1aa33f2a8bfd6391fa340","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/a025c4991a7d83edc4dd339e3ea86d8ff6226eca","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.4-rc1"}]}]}]}],"prioritization":[]},"title":"ksmbd: reserve space for the UTF-16 terminator in stream info","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: reserve space for the UTF-16 terminator in stream info\n\nsmb_strtoUTF16() always writes a terminating zero UTF-16 unit after the\nconverted characters, but get_file_stream_info() budgets only\nsizeof(struct smb2_file_stream_info) + streamlen * 2 for a stream entry\nand sizeof(struct smb2_file_stream_info) + 7 * 2 for the trailing\n\"::$DATA\" entry. When an entry exactly fills the 448-byte small response\nbuffer, the terminator is written two bytes past the allocation.\n\nReserve one extra UTF-16 unit in both budget checks. The terminator is\nnot part of the wire format, so the reported lengths are unchanged.","score":null,"severity":"unknown","published":"2026-11-07T14:08:45.585Z","modified":"2026-11-10T18:15:27.637Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"583ede545a14f275a959772b5e1e50fe3e14b861","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"06a751809ebd33e95b05bf733697318a17a4872b","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"0e64f89563164719ceb1aa33f2a8bfd6391fa340","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a025c4991a7d83edc4dd339e3ea86d8ff6226eca","versionType":"git"},{"version":"0","status":"affected","lessThan":"6.12.117","versionType":"semver"},{"version":"0","status":"affected","lessThan":"6.18.61","versionType":"semver"},{"version":"0","status":"affected","lessThan":"7.3.2","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99273"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"6.12.117","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.61","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.3.2","status":"unaffected","lessThanOrEqual":"7.3.*","versionType":"semver"},{"version":"7.4-rc1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99273"}],"remediation":[],"references":["https://git.kernel.org/stable/c/583ede545a14f275a959772b5e1e50fe3e14b861","https://git.kernel.org/stable/c/06a751809ebd33e95b05bf733697318a17a4872b","https://git.kernel.org/stable/c/0e64f89563164719ceb1aa33f2a8bfd6391fa340","https://git.kernel.org/stable/c/a025c4991a7d83edc4dd339e3ea86d8ff6226eca"],"sources":[{"name":"CVE","id":"CVE-2026-99273","modified":"2026-11-10T18:15:27.637Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99273"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-11-10T18:25:50.603Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T21:25:33.720Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-07T14:45:31.799Z","attemptedAt":"2026-11-07T14:45:31.799Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-07T14:45:31.841Z","attemptedAt":"2026-11-07T14:45:31.841Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-07T14:45:31.796Z","attemptedAt":"2026-11-07T14:45:31.796Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-07T14:45:32.204Z","attemptedAt":"2026-11-07T14:45:32.204Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-99273","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-99273","modified":"2026-11-07T14:17:02.600","checkedAt":"2026-11-07T14:45:31.799Z"}],"aiSummary":null}