{"id":"CVE-2022-49793","summary":"iio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init()\n\ndev_set_name() allocates memory for name, it need be freed\nwhen device_add() fails, call put_device() to give up the\nreference that hold in device_initialize(), so that it can\nbe freed in kobject_cleanup() when the refcount hit to 0.\n\nFault injection test can trigger this:\n\nunreferenced object 0xffff8e8340a7b4c0 (size 32):\n  comm \"modprobe\", pid 243, jiffies 4294678145 (age 48.845s)\n  hex dump (first 32 bytes):\n    69 69 6f 5f 73 79 73 66 73 5f 74 72 69 67 67 65  iio_sysfs_trigge\n    72 00 a7 40 83 8e ff ff 00 86 13 c4 f6 ee ff ff  r..@............\n  backtrace:\n    [\u003c0000000074999de8\u003e] __kmem_cache_alloc_node+0x1e9/0x360\n    [\u003c00000000497fd30b\u003e] __kmalloc_node_track_caller+0x44/0x1a0\n    [\u003c000000003636c520\u003e] kstrdup+0x2d/0x60\n    [\u003c0000000032f84da2\u003e] kobject_set_name_vargs+0x1e/0x90\n    [\u003c0000000092efe493\u003e] dev_set_name+0x4e/0x70","modified":"2026-04-11T12:44:32.574302Z","published":"2025-05-01T14:09:24.442Z","related":["SUSE-SU-2025:01918-1","SUSE-SU-2025:01966-1","SUSE-SU-2025:01982-1","SUSE-SU-2025:01995-1","SUSE-SU-2025:02173-1","SUSE-SU-2025:02262-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49793.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0dd52e141afde089304de470148d311b05c14564"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2c4e65285bdea23fd36d2ff376006ac64db6f42e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5a39382aa5411d64b25a71516c2c7480aab13bb7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/656f670613662b6cc77aad14112db2803ad18fa8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8dddf2699da296c84205582aaead6b43dd7e8c4b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b47bb521961f027b4dcf8683337a7a1ba9e5ea1f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/efa17e90e1711bdb084e3954fa44afb6647331c0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f68c96821b61d2c71a35dbb8bf90c347fad624d9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49793.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49793"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1f785681a87068f123d3e23da13b2c55ab4f93ac"},{"fixed":"f68c96821b61d2c71a35dbb8bf90c347fad624d9"},{"fixed":"5a39382aa5411d64b25a71516c2c7480aab13bb7"},{"fixed":"b47bb521961f027b4dcf8683337a7a1ba9e5ea1f"},{"fixed":"0dd52e141afde089304de470148d311b05c14564"},{"fixed":"8dddf2699da296c84205582aaead6b43dd7e8c4b"},{"fixed":"656f670613662b6cc77aad14112db2803ad18fa8"},{"fixed":"2c4e65285bdea23fd36d2ff376006ac64db6f42e"},{"fixed":"efa17e90e1711bdb084e3954fa44afb6647331c0"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49793.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"4.9.334"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.300"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.267"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.225"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.156"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.80"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49793.json"}}],"schema_version":"1.7.5"}