{"cve":"CVE-2022-50772","nvd":{"published":"2025-12-24T13:16:04.020","modified":"2026-06-17T05:24:09.117","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: fix memory leak in nsim_bus_dev_new()\n\nIf device_register() failed in nsim_bus_dev_new(), the value of reference\nin nsim_bus_dev->dev is 1. obj->name in nsim_bus_dev->dev will not be\nreleased.\n\nunreferenced object 0xffff88810352c480 (size 16):\n  comm \"echo\", pid 5691, jiffies 4294945921 (age 133.270s)\n  hex dump (first 16 bytes):\n    6e 65 74 64 65 76 73 69 6d 31 00 00 00 00 00 00  netdevsim1......\n  backtrace:\n    [<000000005e2e5e26>] __kmalloc_node_track_caller+0x3a/0xb0\n    [<0000000094ca4fc8>] kvasprintf+0xc3/0x160\n    [<00000000aad09bcc>] kvasprintf_const+0x55/0x180\n    [<000000009bac868d>] kobject_set_name_vargs+0x56/0x150\n    [<000000007c1a5d70>] dev_set_name+0xbb/0xf0\n    [<00000000ad0d126b>] device_add+0x1f8/0x1cb0\n    [<00000000c222ae24>] new_device_store+0x3b6/0x5e0\n    [<0000000043593421>] bus_attr_store+0x72/0xa0\n    [<00000000cbb1833a>] sysfs_kf_write+0x106/0x160\n    [<00000000d0dedb8a>] kernfs_fop_write_iter+0x3a8/0x5a0\n    [<00000000770b66e2>] vfs_write+0x8f0/0xc80\n    [<0000000078bb39be>] ksys_write+0x106/0x210\n    [<00000000005e55a4>] do_syscall_64+0x35/0x80\n    [<00000000eaa40bbc>] entry_SYSCALL_64_after_hwframe+0x46/0xb0","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/77579e4065295071fbd9662f03430dca5b50b086","https://git.kernel.org/stable/c/cf2010aa1c739bab067cbc90b690d28eaa0b47da"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2022-50772","score":0.00231,"percentile":0.14043,"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."]}