273 lines
13 KiB
JSON
273 lines
13 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-2025-40231",
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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": "2025-04-16T07:20:57.180Z",
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"datePublished": "2025-12-04T15:31:22.199Z",
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"dateUpdated": "2026-05-23T16:01:44.908Z"
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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": "2026-05-23T16:01:44.908Z"
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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\nvsock: fix lock inversion in vsock_assign_transport()\n\nSyzbot reported a potential lock inversion deadlock between\nvsock_register_mutex and sk_lock-AF_VSOCK when vsock_linger() is called.\n\nThe issue was introduced by commit 687aa0c5581b (\"vsock: Fix\ntransport_* TOCTOU\") which added vsock_register_mutex locking in\nvsock_assign_transport() around the transport->release() call, that can\ncall vsock_linger(). vsock_assign_transport() can be called with sk_lock\nheld. vsock_linger() calls sk_wait_event() that temporarily releases and\nre-acquires sk_lock. During this window, if another thread hold\nvsock_register_mutex while trying to acquire sk_lock, a circular\ndependency is created.\n\nFix this by releasing vsock_register_mutex before calling\ntransport->release() and vsock_deassign_transport(). This is safe\nbecause we don't need to hold vsock_register_mutex while releasing the\nold transport, and we ensure the new transport won't disappear by\nobtaining a module reference first via try_module_get()."
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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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"net/vmw_vsock/af_vsock.c"
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],
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"versions": [
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{
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"version": "8667e8d0eb46bc54fdae30ba2f4786407d3d88eb",
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"lessThan": "ce4f856c64f0bc30e29302a0ce41f4295ca391c5",
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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": "36a439049b34cca0b3661276049b84a1f76cc21a",
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"lessThan": "09bba278ccde25a14b6e5088a9e65a8717d0cccf",
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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": "9ce53e744f18e73059d3124070e960f3aa9902bf",
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"lessThan": "b44182c116778feaa05da52a426aeb9da1878dcf",
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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": "9d24bb6780282b0255b9929abe5e8f98007e2c6e",
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"lessThan": "42ed0784d11adebf748711e503af0eb9f1e6d81d",
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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": "ae2c712ba39c7007de63cb0c75b51ce1caaf1da5",
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"lessThan": "251caee792a21eb0b781aab91362b422c945e162",
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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": "687aa0c5581b8d4aa87fd92973e4ee576b550cdf",
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"lessThan": "a2a4346eea8b4cb75037dbcb20b98cb454324f80",
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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": "687aa0c5581b8d4aa87fd92973e4ee576b550cdf",
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"lessThan": "f7c877e7535260cc7a21484c994e8ce7e8cb6780",
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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": "7b73bddf54777fb62d4d8c7729d0affe6df04477",
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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": "5.10.240",
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"lessThan": "5.10.246",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.15.189",
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"lessThan": "5.15.196",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.1.146",
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"lessThan": "6.1.158",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.6.99",
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"lessThan": "6.6.115",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.12.39",
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"lessThan": "6.12.56",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.15.7",
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"lessThan": "6.16",
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"status": "affected",
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"versionType": "semver"
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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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"net/vmw_vsock/af_vsock.c"
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],
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"versions": [
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{
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"version": "6.16",
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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": "6.16",
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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": "5.10.246",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.196",
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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": "6.1.158",
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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": "6.6.115",
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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": "6.12.56",
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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": "6.17.6",
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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": "5.10.240",
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"versionEndExcluding": "5.10.246"
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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": "5.15.189",
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"versionEndExcluding": "5.15.196"
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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": "6.1.146",
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"versionEndExcluding": "6.1.158"
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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": "6.6.99",
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"versionEndExcluding": "6.6.115"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.12.39",
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"versionEndExcluding": "6.12.56"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.17.6"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.16",
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"versionEndExcluding": "6.18"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15.7"
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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/ce4f856c64f0bc30e29302a0ce41f4295ca391c5"
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},
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{
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"url": "https://git.kernel.org/stable/c/09bba278ccde25a14b6e5088a9e65a8717d0cccf"
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},
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{
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"url": "https://git.kernel.org/stable/c/b44182c116778feaa05da52a426aeb9da1878dcf"
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},
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{
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"url": "https://git.kernel.org/stable/c/42ed0784d11adebf748711e503af0eb9f1e6d81d"
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},
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{
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"url": "https://git.kernel.org/stable/c/251caee792a21eb0b781aab91362b422c945e162"
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},
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{
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"url": "https://git.kernel.org/stable/c/a2a4346eea8b4cb75037dbcb20b98cb454324f80"
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},
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{
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"url": "https://git.kernel.org/stable/c/f7c877e7535260cc7a21484c994e8ce7e8cb6780"
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}
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],
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"title": "vsock: fix lock inversion in vsock_assign_transport()",
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"x_generator": {
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} |