{"id":"CVE-2022-50500","title":"netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed","summary":"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. T…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 37923ed6b8cea94d7d76038e2f72c57a0b45daab < 7c4957fe40e2a628b7cceaf4c9bfb5b701774d05","Linux >= 37923ed6b8cea94d7d76038e2f72c57a0b45daab < 6b1da9f7126f05e857da6db24c6a04aa7974d644","Linux 4.17"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:12:28.981926Z"},"published":"2025-10-04","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:49.585Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50500","references":[{"url":"https://git.kernel.org/stable/c/7c4957fe40e2a628b7cceaf4c9bfb5b701774d05"},{"url":"https://git.kernel.org/stable/c/6b1da9f7126f05e857da6db24c6a04aa7974d644"}],"tags":["cve.org"],"epss":0.0014,"epssPercentile":0.03384,"ingestedAt":"2026-11-05T22:38:31.743Z","slug":"CVE-2022-50500","body":"## Overview\n\nIn 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    [<0000000011a31c98>] kmalloc_trace+0x22/0x60\n    [<0000000027384c69>] devl_resource_register+0x144/0x4e0\n    [<00000000a16db248>] nsim_drv_probe+0x37a/0x1260\n    [<000000007d1f448c>] really_probe+0x20b/0xb10\n    [<00000000c416848a>] __driver_probe_device+0x1b3/0x4a0\n    [<00000000077e0351>] driver_probe_device+0x49/0x140\n    [<0000000054f2465a>] __device_attach_driver+0x18c/0x2a0\n    [<000000008538f359>] bus_for_each_drv+0x151/0x1d0\n    [<0000000038e09747>] __device_attach+0x1c9/0x4e0\n    [<00000000dd86e533>] bus_probe_device+0x1d5/0x280\n    [<00000000839bea35>] device_add+0xae0/0x1cb0\n    [<000000009c2abf46>] new_device_store+0x3b6/0x5f0\n    [<00000000fb823d7f>] bus_attr_store+0x72/0xa0\n    [<000000007acc4295>] sysfs_kf_write+0x106/0x160\n    [<000000005f50cb4d>] kernfs_fop_write_iter+0x3a8/0x5a0\n    [<0000000075eb41bf>] vfs_write+0x8f0/0xc80\n\n## Affected\n\n- `Linux >= 37923ed6b8cea94d7d76038e2f72c57a0b45daab < 7c4957fe40e2a628b7cceaf4c9bfb5b701774d05`\n- `Linux >= 37923ed6b8cea94d7d76038e2f72c57a0b45daab < 6b1da9f7126f05e857da6db24c6a04aa7974d644`\n- `Linux 4.17`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}