227 lines
11 KiB
JSON
227 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-99115",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-25T10:25:14.392Z",
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"datePublished": "2026-10-28T10:34:32.347Z",
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"dateUpdated": "2026-10-30T12:41:53.529Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-30T12:41:53.529Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fill in FileSysIdentifier in FS_POSIX_INFORMATION\n\nsmb2_get_info_filesystem() reports 56 bytes for FS_POSIX_INFORMATION,\nthat is the whole of FILE_SYSTEM_POSIX_INFO, but never assigns\nFileSysIdentifier. Those eight bytes go to the client as they are found\nin the response buffer.\n\nThe buffer is zeroed on allocation, so a standalone request leaks\nnothing. A compound request can leak: the offset of the next response\nis advanced by the length pinned for the previous one, so a reply that\nwas written into the buffer and then dropped in favour of the short\nerror response of smb2_set_err_rsp() stays there, and the next reply is\nlaid over it with only the header cleared.\n\nReport the file system id statfs() returned, which is what the field is\nfor. FileSysIdentifier is __le64 and f_fsid is a pair of ints, so\nassemble the value first, val[0] as the low half, and convert it on the\nway out."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/smb/server/smb2pdu.c"
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],
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"versions": [
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{
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"version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
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"lessThan": "cb9fbcaf1f3351bea771eec557fc6c4d2f35762b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
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"lessThan": "1d644ab9eac767d52c9b8dc0eb68c0085994d9b6",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
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"lessThan": "da2ec27fdd7effbe4c94ec15b6c6a281800c5123",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
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"lessThan": "f5c50f69a70fe22c44a50c869c8cd65fc35a0686",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
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"lessThan": "beba2ef6f66a71f20531ac70a1acb0b221e362e9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
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"lessThan": "ab057f271ef60ff8163818badc3de75c480eca07",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
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"lessThan": "db2267b27c054a6c2151ff7fbb67927e784f31d6",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/smb/server/smb2pdu.c"
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],
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"versions": [
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{
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"version": "5.15",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.15",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.224",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.161",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.115",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.59",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.13",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "5.15.224"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.1.191"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.6.161"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.12.115"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.18.59"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "7.2.13"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/cb9fbcaf1f3351bea771eec557fc6c4d2f35762b"
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},
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{
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"url": "https://git.kernel.org/stable/c/1d644ab9eac767d52c9b8dc0eb68c0085994d9b6"
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},
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{
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"url": "https://git.kernel.org/stable/c/da2ec27fdd7effbe4c94ec15b6c6a281800c5123"
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},
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{
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"url": "https://git.kernel.org/stable/c/f5c50f69a70fe22c44a50c869c8cd65fc35a0686"
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},
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{
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"url": "https://git.kernel.org/stable/c/beba2ef6f66a71f20531ac70a1acb0b221e362e9"
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},
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{
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"url": "https://git.kernel.org/stable/c/ab057f271ef60ff8163818badc3de75c480eca07"
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},
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{
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"url": "https://git.kernel.org/stable/c/db2267b27c054a6c2151ff7fbb67927e784f31d6"
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}
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],
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"title": "ksmbd: fill in FileSysIdentifier in FS_POSIX_INFORMATION",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |