185 lines
8.8 KiB
JSON
185 lines
8.8 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-2025-40268",
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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": "2025-04-16T07:20:57.183Z",
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"datePublished": "2025-12-06T21:50:48.917Z",
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"dateUpdated": "2026-10-30T12:22:57.829Z"
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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": "2026-10-30T12:22:57.829Z"
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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\ncifs: client: fix memory leak in smb3_fs_context_parse_param\n\nThe user calls fsconfig twice, but when the program exits, free() only\nfrees ctx->source for the second fsconfig, not the first.\nRegarding fc->source, there is no code in the fs context related to its\nmemory reclamation.\n\nTo fix this memory leak, release the source memory corresponding to ctx\nor fc before each parsing.\n\nsyzbot reported:\nBUG: memory leak\nunreferenced object 0xffff888128afa360 (size 96):\n backtrace (crc 79c9c7ba):\n kstrdup+0x3c/0x80 mm/util.c:84\n smb3_fs_context_parse_param+0x229b/0x36c0 fs/smb/client/fs_context.c:1444\n\nBUG: memory leak\nunreferenced object 0xffff888112c7d900 (size 96):\n backtrace (crc 79c9c7ba):\n smb3_fs_context_fullpath+0x70/0x1b0 fs/smb/client/fs_context.c:629\n smb3_fs_context_parse_param+0x2266/0x36c0 fs/smb/client/fs_context.c:1438"
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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/fs_context.c"
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],
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"versions": [
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{
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"version": "af1a3d2ba9543e99d78914d8fb88b61d0531d9a1",
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"lessThan": "299bc05e1475a4aa1eb985ade8f39e68c1bba9b9",
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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": "af1a3d2ba9543e99d78914d8fb88b61d0531d9a1",
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"lessThan": "868fc62811d3fabcf5685e14f36377a855d5412d",
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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": "af1a3d2ba9543e99d78914d8fb88b61d0531d9a1",
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"lessThan": "48c17341577e25a22feb13d694374b61d974edbc",
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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": "af1a3d2ba9543e99d78914d8fb88b61d0531d9a1",
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"lessThan": "4515743cc7a42e1d67468402a6420c195532a6fa",
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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": "af1a3d2ba9543e99d78914d8fb88b61d0531d9a1",
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"lessThan": "e8c73eb7db0a498cd4b22d2819e6ab1a6f506bd6",
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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/fs_context.c"
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],
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"versions": [
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{
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"version": "5.11",
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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": "5.11",
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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": "6.6.117",
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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": "6.12.59",
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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": "6.17.9",
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"lessThanOrEqual": "6.17.*",
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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",
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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": "5.11",
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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": "5.11",
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"versionEndExcluding": "6.6.117"
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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": "5.11",
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"versionEndExcluding": "6.12.59"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "6.17.9"
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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": "5.11",
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"versionEndExcluding": "6.18"
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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/299bc05e1475a4aa1eb985ade8f39e68c1bba9b9"
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},
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{
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"url": "https://git.kernel.org/stable/c/868fc62811d3fabcf5685e14f36377a855d5412d"
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},
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{
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"url": "https://git.kernel.org/stable/c/48c17341577e25a22feb13d694374b61d974edbc"
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},
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{
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"url": "https://git.kernel.org/stable/c/4515743cc7a42e1d67468402a6420c195532a6fa"
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},
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{
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"url": "https://git.kernel.org/stable/c/e8c73eb7db0a498cd4b22d2819e6ab1a6f506bd6"
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}
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],
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"title": "cifs: client: fix memory leak in smb3_fs_context_parse_param",
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"x_generator": {
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}
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}
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}
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} |