{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2020-36776", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "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[] die+0x104/0x5ac\n[] bug_handler+0x64/0xd0\n[] brk_handler+0x160/0x258\n[] do_debug_exception+0x248/0x3f0\n[] el1_dbg+0x14/0xbc\n[] __kasan_report+0x1dc/0x1e0\n[] kasan_report+0x10/0x20\n[] __asan_report_load8_noabort+0x18/0x28\n[] cpufreq_power2state+0x180/0x43c\n[] power_actor_set_power+0x114/0x1d4\n[] allocate_power+0xaec/0xde0\n[] power_allocator_throttle+0x3ec/0x5a4\n[] handle_thermal_trip+0x160/0x294\n[] thermal_zone_device_check+0xe4/0x154\n[] process_one_work+0x5e4/0xe28\n[] worker_thread+0xa4c/0xfac\n[] kthread+0x33c/0x358\n[] ret_from_fork+0xc/0x18" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "371a3bc79c11", "version_value": "c24a20912eef" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "5.8", "status": "affected" }, { "version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.36", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.20", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.3", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "semver" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/c24a20912eef00587416628149c438e885eb1304", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c24a20912eef00587416628149c438e885eb1304" }, { "url": "https://git.kernel.org/stable/c/876a5f33e5d961d879c5436987c09b3d9ef70379", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/876a5f33e5d961d879c5436987c09b3d9ef70379" }, { "url": "https://git.kernel.org/stable/c/6bf443acf6ca4f666d0e4225614ba9993a3aa1a9", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/6bf443acf6ca4f666d0e4225614ba9993a3aa1a9" }, { "url": "https://git.kernel.org/stable/c/34ab17cc6c2c1ac93d7e5d53bb972df9a968f085", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/34ab17cc6c2c1ac93d7e5d53bb972df9a968f085" } ] }, "generator": { "engine": "bippy-c8e10e5f6187" } }