{"cve":"CVE-2022-49468","nvd":{"published":"2025-02-26T07:01:23.063","modified":"2026-06-17T05:18:08.397","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nthermal/core: Fix memory leak in __thermal_cooling_device_register()\n\nI got memory leak as follows when doing fault injection test:\n\nunreferenced object 0xffff888010080000 (size 264312):\n  comm \"182\", pid 102533, jiffies 4296434960 (age 10.100s)\n  hex dump (first 32 bytes):\n    00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00  .....N..........\n    ff ff ff ff ff ff ff ff 40 7f 1f b9 ff ff ff ff  ........@.......\n  backtrace:\n    [<0000000038b2f4fc>] kmalloc_order_trace+0x1d/0x110 mm/slab_common.c:969\n    [<00000000ebcb8da5>] __kmalloc+0x373/0x420 include/linux/slab.h:510\n    [<0000000084137f13>] thermal_cooling_device_setup_sysfs+0x15d/0x2d0 include/linux/slab.h:586\n    [<00000000352b8755>] __thermal_cooling_device_register+0x332/0xa60 drivers/thermal/thermal_core.c:927\n    [<00000000fb9f331b>] devm_thermal_of_cooling_device_register+0x6b/0xf0 drivers/thermal/thermal_core.c:1041\n    [<000000009b8012d2>] max6650_probe.cold+0x557/0x6aa drivers/hwmon/max6650.c:211\n    [<00000000da0b7e04>] i2c_device_probe+0x472/0xac0 drivers/i2c/i2c-core-base.c:561\n\nIf device_register() fails, thermal_cooling_device_destroy_sysfs() need be called\nto free the memory allocated in thermal_cooling_device_setup_sysfs().","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-401"],"references":["https://git.kernel.org/stable/c/18530bedd221160823f63ccc20dd55c7a03edbcf","https://git.kernel.org/stable/c/21ccc58b671aea924f2481cf5c1cf0ebbfd3552d","https://git.kernel.org/stable/c/3802171f0b5b8b831f4ade5c827547cb323a5bb2","https://git.kernel.org/stable/c/98a160e898c0f4a979af9de3ab48b4b1d42d1dbb","https://git.kernel.org/stable/c/9abdf0c0184230f0cb5c6685aabf33dda89aa9fb"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49468","score":0.00317,"percentile":0.2465,"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."]}