206 lines
9.8 KiB
JSON
206 lines
9.8 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-2026-92509",
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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": "2026-09-16T12:21:13.872Z",
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"datePublished": "2026-09-17T16:10:20.100Z",
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"dateUpdated": "2026-10-19T09:04:15.303Z"
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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": "2026-10-19T09:04:15.303Z"
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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\nRDMA/core: Fix potential use after free in counter_release()\n\nWhen accessing a counter via the netlink path the only synchronization\nmechanism for the said counter is rdma_restrack_get().\nCurrently, rdma_restrack_del() is invoked at the end of\ncounter_release(), which is too late, since by that point\nvendor-specific resources associated with the counter might already be\nfreed. This can leave a short window where the counter remains\naccessible through restrack, leading to a potential use-after-free.\n\nFix this by moving the rdma_restrack_del() call to be before the\nfreeing of the vendor-specific resources, ensuring that the counter is\nremoved from restrack before its internal resources are released.\nThis guarantees that no new users hold references to a counter that is\nin the process of destruction."
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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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"drivers/infiniband/core/counters.c"
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],
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"versions": [
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{
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"version": "99fa331dc8629be55ac7a0cca0dc56492070ddac",
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"lessThan": "5eb0c57a8b568eb08f464861d84d518a2af939ac",
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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": "99fa331dc8629be55ac7a0cca0dc56492070ddac",
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"lessThan": "d5cc211e8c39e46f357d30a092d683e84d560de9",
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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": "99fa331dc8629be55ac7a0cca0dc56492070ddac",
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"lessThan": "2f0c6705e26ba92c0c6b0b0908a2d3f35a039d5b",
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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": "99fa331dc8629be55ac7a0cca0dc56492070ddac",
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"lessThan": "8c013e3a8d8273da4d47bf1c27f016a3551996f5",
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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": "99fa331dc8629be55ac7a0cca0dc56492070ddac",
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"lessThan": "64c72390d8407ea86de712a477c796b07d37abc4",
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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": "99fa331dc8629be55ac7a0cca0dc56492070ddac",
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"lessThan": "235ef2d0e750885c29340b0fc40620a7a4f52e12",
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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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"drivers/infiniband/core/counters.c"
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],
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"versions": [
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{
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"version": "5.3",
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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": "5.3",
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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": "6.1.188",
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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": "6.6.157",
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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": "6.12.110",
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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": "6.18.52",
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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": "7.2.6",
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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": "5.3",
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"versionEndExcluding": "6.1.188"
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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": "5.3",
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"versionStartIncluding": "5.3",
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"versionStartIncluding": "5.3",
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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/5eb0c57a8b568eb08f464861d84d518a2af939ac"
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},
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{
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"url": "https://git.kernel.org/stable/c/d5cc211e8c39e46f357d30a092d683e84d560de9"
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},
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{
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"url": "https://git.kernel.org/stable/c/2f0c6705e26ba92c0c6b0b0908a2d3f35a039d5b"
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},
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{
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"url": "https://git.kernel.org/stable/c/8c013e3a8d8273da4d47bf1c27f016a3551996f5"
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},
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{
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"url": "https://git.kernel.org/stable/c/64c72390d8407ea86de712a477c796b07d37abc4"
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},
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{
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"url": "https://git.kernel.org/stable/c/235ef2d0e750885c29340b0fc40620a7a4f52e12"
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}
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],
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"title": "RDMA/core: Fix potential use after free in counter_release()",
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"x_generator": {
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} |