{"cve":"CVE-2022-50269","nvd":{"published":"2025-09-15T15:15:37.707","modified":"2026-06-17T05:23:07.180","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vkms: Fix memory leak in vkms_init()\n\nA memory leak was reported after the vkms module install failed.\n\nunreferenced object 0xffff88810bc28520 (size 16):\n  comm \"modprobe\", pid 9662, jiffies 4298009455 (age 42.590s)\n  hex dump (first 16 bytes):\n    01 01 00 64 81 88 ff ff 00 00 dc 0a 81 88 ff ff  ...d............\n  backtrace:\n    [<00000000e7561ff8>] kmalloc_trace+0x27/0x60\n    [<000000000b1954a0>] 0xffffffffc45200a9\n    [<00000000abbf1da0>] do_one_initcall+0xd0/0x4f0\n    [<000000001505ee87>] do_init_module+0x1a4/0x680\n    [<00000000958079ad>] load_module+0x6249/0x7110\n    [<00000000117e4696>] __do_sys_finit_module+0x140/0x200\n    [<00000000f74b12d2>] do_syscall_64+0x35/0x80\n    [<000000008fc6fcde>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThe reason is that the vkms_init() returns without checking the return\nvalue of vkms_create(), and if the vkms_create() failed, the config\nallocated at the beginning of vkms_init() is leaked.\n\n vkms_init()\n   config = kmalloc(...) # config allocated\n   ...\n   return vkms_create() # vkms_create failed and config is leaked\n\nFix this problem by checking return value of vkms_create() and free the\nconfig if error happened.","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/07ab77154d6fd2d67e465ab5ce30083709950f02","https://git.kernel.org/stable/c/0d0b368b9d104b437e1f4850ae94bdb9a3601e89","https://git.kernel.org/stable/c/bad13de764888b765ceaa4668893b52bd16653cc","https://git.kernel.org/stable/c/bebd60ec3bf21062f103e32e6203c6daabdbd51b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2022-50269","score":0.00159,"percentile":0.05033,"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."]}