{"id":"CVE-2026-98113","state":"PUBLISHED","title":"ksmbd: rate limit unmapped SID errors","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: rate limit unmapped SID errors\n\nA client can include many structurally valid but unmapped SIDs in a DACL.\nLogging every mapping failure lets one request generate hundreds of kernel\nerror messages.\n\nRate limit the message to prevent an authenticated client from flooding\nthe kernel log.","publishedAt":"2026-09-25T10:35:59.909Z","updatedAt":"2026-10-19T09:14:05.620Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"3005d43143096321cc857645a9d48ef4ffde8bcf","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"674aabf554bdaffcf25f145bf32c8b4f510f7916","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"486876f957456721b5e51af532235db4c6f7bd47","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"13af319c1efec0b45fb5c1b16830eb0888b3fd1e","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"30dbb08777b9a611d7d9193c040f382fbd0e7562","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"54cb2a909996346ac6a8a3beac96c07b3dcba584","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"feca5e70fc963b088377b20879e8cd8237c2fd7d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/smbacl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.222","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":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/smbacl.c"]}],"references":["https://git.kernel.org/stable/c/3005d43143096321cc857645a9d48ef4ffde8bcf","https://git.kernel.org/stable/c/674aabf554bdaffcf25f145bf32c8b4f510f7916","https://git.kernel.org/stable/c/486876f957456721b5e51af532235db4c6f7bd47","https://git.kernel.org/stable/c/13af319c1efec0b45fb5c1b16830eb0888b3fd1e","https://git.kernel.org/stable/c/30dbb08777b9a611d7d9193c040f382fbd0e7562","https://git.kernel.org/stable/c/54cb2a909996346ac6a8a3beac96c07b3dcba584","https://git.kernel.org/stable/c/feca5e70fc963b088377b20879e8cd8237c2fd7d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98113.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98113","state":"PUBLISHED","datePublished":"2026-09-25T10:35:59.909Z","dateUpdated":"2026-10-19T09:14:05.620Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.316Z"},"containers":{"cna":{"title":"ksmbd: rate limit unmapped SID errors","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: rate limit unmapped SID errors\n\nA client can include many structurally valid but unmapped SIDs in a DACL.\nLogging every mapping failure lets one request generate hundreds of kernel\nerror messages.\n\nRate limit the message to prevent an authenticated client from flooding\nthe kernel log."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"3005d43143096321cc857645a9d48ef4ffde8bcf","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"674aabf554bdaffcf25f145bf32c8b4f510f7916","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"486876f957456721b5e51af532235db4c6f7bd47","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"13af319c1efec0b45fb5c1b16830eb0888b3fd1e","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"30dbb08777b9a611d7d9193c040f382fbd0e7562","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"54cb2a909996346ac6a8a3beac96c07b3dcba584","versionType":"git"},{"version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","status":"affected","lessThan":"feca5e70fc963b088377b20879e8cd8237c2fd7d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/smbacl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.222","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":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/smbacl.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3005d43143096321cc857645a9d48ef4ffde8bcf"},{"url":"https://git.kernel.org/stable/c/674aabf554bdaffcf25f145bf32c8b4f510f7916"},{"url":"https://git.kernel.org/stable/c/486876f957456721b5e51af532235db4c6f7bd47"},{"url":"https://git.kernel.org/stable/c/13af319c1efec0b45fb5c1b16830eb0888b3fd1e"},{"url":"https://git.kernel.org/stable/c/30dbb08777b9a611d7d9193c040f382fbd0e7562"},{"url":"https://git.kernel.org/stable/c/54cb2a909996346ac6a8a3beac96c07b3dcba584"},{"url":"https://git.kernel.org/stable/c/feca5e70fc963b088377b20879e8cd8237c2fd7d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:14:05.620Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}