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vuln-cve/data/2020/36xxx/CVE-2020-36776.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2020-36776",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-02-26T17:07:27.434Z",
"datePublished": "2024-02-27T18:40:25.615Z",
"dateUpdated": "2026-05-23T15:18:39.789Z"
},
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"shortName": "Linux",
"dateUpdated": "2026-05-23T15:18:39.789Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal/drivers/cpufreq_cooling: Fix slab OOB issue\n\nSlab OOB issue is scanned by KASAN in cpu_power_to_freq().\nIf power is limited below the power of OPP0 in EM table,\nit will cause slab out-of-bound issue with negative array\nindex.\n\nReturn the lowest frequency if limited power cannot found\na suitable OPP in EM table to fix this issue.\n\nBacktrace:\n[<ffffffd02d2a37f0>] die+0x104/0x5ac\n[<ffffffd02d2a5630>] bug_handler+0x64/0xd0\n[<ffffffd02d288ce4>] brk_handler+0x160/0x258\n[<ffffffd02d281e5c>] do_debug_exception+0x248/0x3f0\n[<ffffffd02d284488>] el1_dbg+0x14/0xbc\n[<ffffffd02d75d1d4>] __kasan_report+0x1dc/0x1e0\n[<ffffffd02d75c2e0>] kasan_report+0x10/0x20\n[<ffffffd02d75def8>] __asan_report_load8_noabort+0x18/0x28\n[<ffffffd02e6fce5c>] cpufreq_power2state+0x180/0x43c\n[<ffffffd02e6ead80>] power_actor_set_power+0x114/0x1d4\n[<ffffffd02e6fac24>] allocate_power+0xaec/0xde0\n[<ffffffd02e6f9f80>] power_allocator_throttle+0x3ec/0x5a4\n[<ffffffd02e6ea888>] handle_thermal_trip+0x160/0x294\n[<ffffffd02e6edd08>] thermal_zone_device_check+0xe4/0x154\n[<ffffffd02d351cb4>] process_one_work+0x5e4/0xe28\n[<ffffffd02d352f44>] worker_thread+0xa4c/0xfac\n[<ffffffd02d360124>] kthread+0x33c/0x358\n[<ffffffd02d289940>] ret_from_fork+0xc/0x18"
}
],
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"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/thermal/cpufreq_cooling.c"
],
"versions": [
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"version": "371a3bc79c11b707d7a1b7a2c938dc3cc042fffb",
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{
"version": "371a3bc79c11b707d7a1b7a2c938dc3cc042fffb",
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{
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{
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"lessThan": "34ab17cc6c2c1ac93d7e5d53bb972df9a968f085",
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{
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{
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},
{
"version": "9006b543384ab10902819364c1205f11a1458571",
"status": "affected",
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},
{
"version": "4.14.189",
"lessThan": "4.15",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.19.134",
"lessThan": "4.20",
"status": "affected",
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},
{
"version": "5.4.53",
"lessThan": "5.5",
"status": "affected",
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{
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{
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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],
"versions": [
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"status": "affected"
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{
"version": "0",
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{
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"lessThanOrEqual": "5.10.*",
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"lessThanOrEqual": "5.11.*",
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},
{
"version": "5.12.3",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
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},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
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"nodes": [
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"operator": "OR",
"negate": false,
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"url": "https://git.kernel.org/stable/c/34ab17cc6c2c1ac93d7e5d53bb972df9a968f085"
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"title": "thermal/drivers/cpufreq_cooling: Fix slab OOB issue",
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"content": {
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"role": "CISA Coordinator",
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{
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"version": "2.0.3",
"timestamp": "2024-09-10T16:01:54.528476Z"
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