275 lines
14 KiB
JSON
275 lines
14 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-2024-38569",
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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": "2024-06-18T19:36:34.923Z",
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"datePublished": "2024-06-19T13:35:35.588Z",
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"dateUpdated": "2026-08-05T11:32:50.420Z"
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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": "2026-08-05T11:32:50.420Z"
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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\ndrivers/perf: hisi_pcie: Fix out-of-bound access when valid event group\n\nThe perf tool allows users to create event groups through following\ncmd [1], but the driver does not check whether the array index is out of\nbounds when writing data to the event_group array. If the number of events\nin an event_group is greater than HISI_PCIE_MAX_COUNTERS, the memory write\noverflow of event_group array occurs.\n\nAdd array index check to fix the possible array out of bounds violation,\nand return directly when write new events are written to array bounds.\n\nThere are 9 different events in an event_group.\n[1] perf stat -e '{pmu/event1/, ... ,pmu/event9/}'"
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The bug is reached only through the local `perf_event_open(2)` syscall against a HiSilicon PCIe PMU device; no network or remote-peer data is involved.\nAC:L - Triggering is fully deterministic — open a group leader plus 7 distinct hisi_pcie events, then open a 9th distinct event — with no race, timing window, or memory-layout condition outside the attacker's control.\nPR:L - On the profiling/HPC/Kunpeng-server deployments where this PMU driver is actually used, `kernel.perf_event_paranoid` is commonly set to 0 or -1, which makes `perf_allow_cpu()` pass for any unprivileged local user; only that (not real root) is needed to build the oversized event group.\nUI:N - The attacker performs the entire nine-syscall sequence itself; no victim action or cooperation is required.\nS:U - The out-of-bounds write corrupts the kernel's own stack within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The overflow is stack memory corruption adjacent to saved registers and spilled pointers, which per kernel scoring practice can be leveraged toward disclosure of kernel memory and defeats stack-layout confidentiality assumptions.\nI:H - This is an out-of-bounds stack write that places an attacker-groomed kernel heap pointer over the canary/saved-register slot above the array, i.e. corruption of control-flow-relevant stack state.\nA:H - On stack-protector-enabled arm64 builds the OOB write clobbers the canary and reliably triggers `__stack_chk_fail()` → kernel panic, and it can be repeated at will from userspace."
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}
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]
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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/perf/hisilicon/hisi_pcie_pmu.c"
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],
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"versions": [
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{
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"version": "8404b0fbc7fbd42e5c5d28cdedd450e70829c77a",
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"lessThan": "3d1face00ebb7996842aee4214d7d0fb0c77b1e9",
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"status": "affected",
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"versionType": "git"
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},
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"status": "affected",
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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/perf/hisilicon/hisi_pcie_pmu.c"
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],
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"versions": [
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{
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"version": "5.17",
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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": "5.17",
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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": "6.1.93",
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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": "6.6.33",
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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": "6.8.12",
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"lessThanOrEqual": "6.8.*",
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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": "6.9.3",
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"lessThanOrEqual": "6.9.*",
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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": "6.10",
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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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"timestamp": "2024-06-24T18:24:22.058209Z",
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"id": "CVE-2024-38569",
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