{"cve":"CVE-2022-49010","nvd":{"published":"2024-10-21T20:15:12.433","modified":"2026-06-17T05:16:50.547","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (coretemp) Check for null before removing sysfs attrs\n\nIf coretemp_add_core() gets an error then pdata->core_data[indx]\nis already NULL and has been kfreed. Don't pass that to\nsysfs_remove_group() as that will crash in sysfs_remove_group().\n\n[Shortened for readability]\n[91854.020159] sysfs: cannot create duplicate filename '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label'\n<cpu offline>\n[91855.126115] BUG: kernel NULL pointer dereference, address: 0000000000000188\n[91855.165103] #PF: supervisor read access in kernel mode\n[91855.194506] #PF: error_code(0x0000) - not-present page\n[91855.224445] PGD 0 P4D 0\n[91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI\n...\n[91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80\n...\n[91855.796571] Call Trace:\n[91855.810524]  coretemp_cpu_offline+0x12b/0x1dd [coretemp]\n[91855.841738]  ? coretemp_cpu_online+0x180/0x180 [coretemp]\n[91855.871107]  cpuhp_invoke_callback+0x105/0x4b0\n[91855.893432]  cpuhp_thread_fun+0x8e/0x150\n...\n\nFix this by checking for NULL first.","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-476"],"references":["https://git.kernel.org/stable/c/070d5ea4a0592a37ad96ce7f7b6b024f90bb009f","https://git.kernel.org/stable/c/280110db1a7d62ad635b103bafc3ae96e8bef75c","https://git.kernel.org/stable/c/7692700ac818866d138a8de555130a6e70e6ac16","https://git.kernel.org/stable/c/89eecabe6a47403237f45aafd7d24f93cb973653","https://git.kernel.org/stable/c/a89ff5f5cc64b9fe7a992cf56988fd36f56ca82a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:56:33.105311382+00:00"},"epss":{"cve":"CVE-2022-49010","score":0.00236,"percentile":0.1461,"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."]}