185 lines
9.0 KiB
JSON
185 lines
9.0 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-2026-97961",
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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": "2026-09-25T10:18:58.206Z",
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"datePublished": "2026-09-25T10:23:05.547Z",
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"dateUpdated": "2026-10-21T12:53:52.027Z"
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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": "2026-10-21T12:53:52.027Z"
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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\nperf/core: Allow list_del during perf_event_overflow()\n\nA PMU might use perf_sched_cb_inc() and perf_sched_cb_dec()\ninterface to get the PMU call back function pmu::sched_task\ninvoked at schedule in and schedule out. This is achieved\nby walking along the list anchored by sched_cb_list.\n\nThe following scenario might lead to a list corruption.\n\n perf_pmu_sched_task()\n for_each_list_entry(..., &sched_cb_list)\n +--> __perf_pmu_sched_task()\n +--> event->pmu->sched_task())\n +--> PMU_push_sample()\n +--> perf_event_overflow()\n +--> __perf_event_overflow()\n +--> pmu->stop()\n +--> perf_sched_cb_dec()\n remove entry from sched_cb_list\n while list node in use.\n\nThis happens when ioctl(fd, PERF_EVENT_IOC_REFRESH, xxx) has been\ninvoked and perf_event::event_limit hits zero.\n\nPrevent the list corruption and convert for_each_list_entry()\nto for_each_list_entry_safe()."
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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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"kernel/events/core.c"
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],
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"versions": [
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{
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"version": "bd27568117664b8b3e259721393df420ed51f57b",
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"lessThan": "fa360a018369f3eb4fe4f4792238adfc1f6fd5dc",
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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": "bd27568117664b8b3e259721393df420ed51f57b",
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"lessThan": "723e85fb2c3bcd237ac02cbd69502ed62ce0068c",
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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": "bd27568117664b8b3e259721393df420ed51f57b",
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"lessThan": "6d0b9ce3be221c9077653f3670d60d66bb725ee2",
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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": "bd27568117664b8b3e259721393df420ed51f57b",
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"lessThan": "e2770c76a02452fddb52e9e05c7ed6acfef06c32",
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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": "bd27568117664b8b3e259721393df420ed51f57b",
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"lessThan": "59e63416f5153e7d58652c616fbdcb7d5e01fff7",
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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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"kernel/events/core.c"
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],
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"versions": [
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{
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"version": "6.2",
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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": "6.2",
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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": "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": "6.12.111",
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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": "7.2.7",
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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": "6.2",
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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": "6.2",
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"versionEndExcluding": "6.12.111"
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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": "6.2",
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"versionEndExcluding": "6.18.53"
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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": "6.2",
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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": "6.2",
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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/fa360a018369f3eb4fe4f4792238adfc1f6fd5dc"
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},
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{
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"url": "https://git.kernel.org/stable/c/723e85fb2c3bcd237ac02cbd69502ed62ce0068c"
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},
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{
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"url": "https://git.kernel.org/stable/c/6d0b9ce3be221c9077653f3670d60d66bb725ee2"
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},
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{
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"url": "https://git.kernel.org/stable/c/e2770c76a02452fddb52e9e05c7ed6acfef06c32"
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},
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{
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"url": "https://git.kernel.org/stable/c/59e63416f5153e7d58652c616fbdcb7d5e01fff7"
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}
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],
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"title": "perf/core: Allow list_del during perf_event_overflow()",
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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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} |