210 lines
10 KiB
JSON
210 lines
10 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-2026-97561",
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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": "2026-09-24T16:01:01.155Z",
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"datePublished": "2026-09-25T10:21:50.067Z",
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"dateUpdated": "2026-10-30T12:37:25.329Z"
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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": "2026-10-30T12:37:25.329Z"
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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\nsmb: client: honor forceuid/forcegid when mapping SIDs to uid/gid\n\nWhen the administrator mounts with forceuid or forcegid (uid=/gid=\nmount options), they expect all files to appear owned by the specified\nuser/group. However, several code paths unconditionally called\nsid_to_id() to overwrite cf_uid/cf_gid with server-provided values,\nignoring the administrator's explicit override:\n\n - smb311_posix_info_to_fattr() (stat via POSIX extensions)\n - cifs_posix_to_fattr() (readdir via POSIX extensions)\n - parse_sec_desc() (CIFS ACL ownership mapping)\n\nThis allowed an untrusted server to dictate local file ownership even\nwhen the mount was configured to force specific uid/gid values.\n\nFix all three call sites to check CIFS_MOUNT_OVERR_UID and\nCIFS_MOUNT_OVERR_GID before calling sid_to_id(), following the\nsame pattern already used by cifs_unix_basic_to_fattr() for unix\nextensions."
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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/client/cifsacl.c",
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"fs/smb/client/inode.c",
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"fs/smb/client/readdir.c"
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],
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"versions": [
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{
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"version": "9409ae58e0759d010b347e7b19ebc90ab5d4b98f",
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"lessThan": "89a3b4704af2208e381c55037ff2d1e2365b83e4",
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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": "9409ae58e0759d010b347e7b19ebc90ab5d4b98f",
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"lessThan": "be6eccccec867c22d7c65fab4ea4e91ec3d5b8c6",
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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": "9409ae58e0759d010b347e7b19ebc90ab5d4b98f",
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"lessThan": "bc35de451c128d399ad185d6269f8847e97cd1c9",
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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": "9409ae58e0759d010b347e7b19ebc90ab5d4b98f",
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"lessThan": "6ac7a29691558bed18e2df1780636b8aa0fd13d5",
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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": "9409ae58e0759d010b347e7b19ebc90ab5d4b98f",
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"lessThan": "e1b74f8f8c1d13190b09fe623b729d36b7ac22a8",
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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": "9409ae58e0759d010b347e7b19ebc90ab5d4b98f",
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"lessThan": "18a72975e9f35aadecc75b031f693f2d1f49308f",
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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/client/cifsacl.c",
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"fs/smb/client/inode.c",
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"fs/smb/client/readdir.c"
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],
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"versions": [
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{
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"version": "3.0",
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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": "3.0",
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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": "6.6.160",
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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": "6.12.114",
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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": "6.18.57",
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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": "7.2.7",
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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": "3.0",
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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": "3.0",
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"versionEndExcluding": "6.6.160"
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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": "3.0",
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"versionEndExcluding": "6.12.114"
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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": "3.0",
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"versionEndExcluding": "6.18.57"
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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": "3.0",
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"versionEndExcluding": "7.2.7"
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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": "3.0",
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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/89a3b4704af2208e381c55037ff2d1e2365b83e4"
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},
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{
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"url": "https://git.kernel.org/stable/c/be6eccccec867c22d7c65fab4ea4e91ec3d5b8c6"
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},
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{
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"url": "https://git.kernel.org/stable/c/bc35de451c128d399ad185d6269f8847e97cd1c9"
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},
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{
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"url": "https://git.kernel.org/stable/c/6ac7a29691558bed18e2df1780636b8aa0fd13d5"
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},
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{
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"url": "https://git.kernel.org/stable/c/e1b74f8f8c1d13190b09fe623b729d36b7ac22a8"
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},
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{
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"url": "https://git.kernel.org/stable/c/18a72975e9f35aadecc75b031f693f2d1f49308f"
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}
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],
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"title": "smb: client: honor forceuid/forcegid when mapping SIDs to uid/gid",
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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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} |