{"cve":"CVE-2020-36776","nvd":{"published":"2024-02-27T19:04:05.693","modified":"2026-06-17T03:16:12.527","status":"Modified","description":"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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-129"],"references":["https://git.kernel.org/stable/c/34ab17cc6c2c1ac93d7e5d53bb972df9a968f085","https://git.kernel.org/stable/c/6bf443acf6ca4f666d0e4225614ba9993a3aa1a9","https://git.kernel.org/stable/c/876a5f33e5d961d879c5436987c09b3d9ef70379","https://git.kernel.org/stable/c/c24a20912eef00587416628149c438e885eb1304","https://git.kernel.org/stable/c/34ab17cc6c2c1ac93d7e5d53bb972df9a968f085"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2020-36776","score":0.00232,"percentile":0.14143,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}