{"id":"CVE-2022-50500","summary":"netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed\n\nIf some items in nsim_dev_resources_register() fail, memory leak will\noccur. The following is the memory leak information.\n\nunreferenced object 0xffff888074c02600 (size 128):\n  comm \"echo\", pid 8159, jiffies 4294945184 (age 493.530s)\n  hex dump (first 32 bytes):\n    40 47 ea 89 ff ff ff ff 01 00 00 00 00 00 00 00  @G..............\n    ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................\n  backtrace:\n    [\u003c0000000011a31c98\u003e] kmalloc_trace+0x22/0x60\n    [\u003c0000000027384c69\u003e] devl_resource_register+0x144/0x4e0\n    [\u003c00000000a16db248\u003e] nsim_drv_probe+0x37a/0x1260\n    [\u003c000000007d1f448c\u003e] really_probe+0x20b/0xb10\n    [\u003c00000000c416848a\u003e] __driver_probe_device+0x1b3/0x4a0\n    [\u003c00000000077e0351\u003e] driver_probe_device+0x49/0x140\n    [\u003c0000000054f2465a\u003e] __device_attach_driver+0x18c/0x2a0\n    [\u003c000000008538f359\u003e] bus_for_each_drv+0x151/0x1d0\n    [\u003c0000000038e09747\u003e] __device_attach+0x1c9/0x4e0\n    [\u003c00000000dd86e533\u003e] bus_probe_device+0x1d5/0x280\n    [\u003c00000000839bea35\u003e] device_add+0xae0/0x1cb0\n    [\u003c000000009c2abf46\u003e] new_device_store+0x3b6/0x5f0\n    [\u003c00000000fb823d7f\u003e] bus_attr_store+0x72/0xa0\n    [\u003c000000007acc4295\u003e] sysfs_kf_write+0x106/0x160\n    [\u003c000000005f50cb4d\u003e] kernfs_fop_write_iter+0x3a8/0x5a0\n    [\u003c0000000075eb41bf\u003e] vfs_write+0x8f0/0xc80","modified":"2026-04-02T08:28:33.221101Z","published":"2025-10-04T15:43:50.792Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50500.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6b1da9f7126f05e857da6db24c6a04aa7974d644"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7c4957fe40e2a628b7cceaf4c9bfb5b701774d05"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50500.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50500"},{"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":"37923ed6b8cea94d7d76038e2f72c57a0b45daab"},{"fixed":"7c4957fe40e2a628b7cceaf4c9bfb5b701774d05"},{"fixed":"6b1da9f7126f05e857da6db24c6a04aa7974d644"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50500.json"}}],"schema_version":"1.7.5"}