{"schema_version":"1.9.0","id":"CVE-2022-49468","published":"2025-02-26T02:13:12.713Z","modified":"2026-08-12T03:51:20.809474180Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1"],"summary":"thermal/core: Fix memory leak in __thermal_cooling_device_register()","details":"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().","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8ea229511e06f9635ecc338dcbe0db41a73623f0"},{"fixed":"18530bedd221160823f63ccc20dd55c7a03edbcf"},{"fixed":"21ccc58b671aea924f2481cf5c1cf0ebbfd3552d"},{"fixed":"3802171f0b5b8b831f4ade5c827547cb323a5bb2"},{"fixed":"9abdf0c0184230f0cb5c6685aabf33dda89aa9fb"},{"fixed":"98a160e898c0f4a979af9de3ab48b4b1d42d1dbb"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49468.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.17.0"},{"fixed":"5.10.121"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.46"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.17.14"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.18.0"},{"fixed":"5.18.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49468.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/18530bedd221160823f63ccc20dd55c7a03edbcf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/21ccc58b671aea924f2481cf5c1cf0ebbfd3552d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3802171f0b5b8b831f4ade5c827547cb323a5bb2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/98a160e898c0f4a979af9de3ab48b4b1d42d1dbb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9abdf0c0184230f0cb5c6685aabf33dda89aa9fb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49468.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49468"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49468.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}