{"cve":"CVE-2022-49793","nvd":{"published":"2025-05-01T15:16:02.563","modified":"2026-06-17T05:19:09.733","status":"Analyzed","description":"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    [<0000000074999de8>] __kmem_cache_alloc_node+0x1e9/0x360\n    [<00000000497fd30b>] __kmalloc_node_track_caller+0x44/0x1a0\n    [<000000003636c520>] kstrdup+0x2d/0x60\n    [<0000000032f84da2>] kobject_set_name_vargs+0x1e/0x90\n    [<0000000092efe493>] dev_set_name+0x4e/0x70","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/0dd52e141afde089304de470148d311b05c14564","https://git.kernel.org/stable/c/2c4e65285bdea23fd36d2ff376006ac64db6f42e","https://git.kernel.org/stable/c/5a39382aa5411d64b25a71516c2c7480aab13bb7","https://git.kernel.org/stable/c/656f670613662b6cc77aad14112db2803ad18fa8","https://git.kernel.org/stable/c/8dddf2699da296c84205582aaead6b43dd7e8c4b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2022-49793","score":0.00229,"percentile":0.13702,"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."]}