185 lines
8.9 KiB
JSON
185 lines
8.9 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-2026-97477",
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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": "2026-09-24T16:01:01.149Z",
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"datePublished": "2026-09-24T16:04:19.358Z",
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"dateUpdated": "2026-10-30T12:36:58.713Z"
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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": "2026-10-30T12:36:58.713Z"
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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/counter: Fix num_counters leak on bind_qp failure in alloc_and_bind()\n\nWhen __rdma_counter_bind_qp() fails in alloc_and_bind(), the error path\njumps to err_mode which frees the counter without decrementing\nport_counter->num_counters. The only place that decrements is\nrdma_counter_free(), which is unreachable since the counter was never\nsuccessfully bound.\n\nThis leak accumulates across repeated failures, permanently preventing\nthe port from switching to AUTO mode (-EBUSY in __counter_set_mode())\nand blocking the MANUAL→NONE auto-revert in rdma_counter_free(). When\nthe mode was NONE before the call, the MANUAL mode set by\n__counter_set_mode() also leaks since the revert logic is never\nreached.\n\nAdd an err_bind label between the num_counters increment and the\nexisting err_mode label. It decrements num_counters and mirrors the\nMANUAL→NONE revert from rdma_counter_free(), ensuring the port state\nis fully restored on bind failure."
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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": "8bc205eff3056a9ed3850937cdd2192f05e6d3cb",
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"lessThan": "4517686789b404827591c52f79e9a57822371ca0",
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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": "8bc205eff3056a9ed3850937cdd2192f05e6d3cb",
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"lessThan": "7c9fee40fc8d8d928f44e99bc6e6adf93f9f2c2a",
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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": "8bc205eff3056a9ed3850937cdd2192f05e6d3cb",
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"lessThan": "1bcdeddddffadff9993657f6b0e5535d66ebd10f",
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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": "8bc205eff3056a9ed3850937cdd2192f05e6d3cb",
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"lessThan": "da95cb016812c0e012ea839f191926e35ca8f57f",
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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": "8bc205eff3056a9ed3850937cdd2192f05e6d3cb",
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"lessThan": "4fbc8230009f5b1bcd13cc74c5a6a43ddba141fd",
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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": "5.11",
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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": "6.6.160",
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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": "6.18.53",
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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",
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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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"nodes": [
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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": "6.6.160"
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},
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"versionStartIncluding": "5.11",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "6.18.53"
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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": "5.11",
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"versionEndExcluding": "7.2"
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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/4517686789b404827591c52f79e9a57822371ca0"
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},
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{
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"url": "https://git.kernel.org/stable/c/7c9fee40fc8d8d928f44e99bc6e6adf93f9f2c2a"
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},
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{
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"url": "https://git.kernel.org/stable/c/1bcdeddddffadff9993657f6b0e5535d66ebd10f"
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},
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{
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"url": "https://git.kernel.org/stable/c/da95cb016812c0e012ea839f191926e35ca8f57f"
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},
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{
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"url": "https://git.kernel.org/stable/c/4fbc8230009f5b1bcd13cc74c5a6a43ddba141fd"
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}
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],
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"title": "RDMA/counter: Fix num_counters leak on bind_qp failure in alloc_and_bind()",
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} |