CVE-2022-50500
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed If some items in nsim_dev_resources_register() fail, memory leak will occur. The following is the memory leak information. unreferenced object 0xffff888074c02600 (size 128): comm "echo", pid 8159, jiffies 4294945184 (age 493.530s) hex dump (first 32 bytes): 40 47 ea 89 ff ff ff ff 01 00 00 00 00 00 00 00 @G.............. ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ backtrace: [<0000000011a31c98>] kmalloc_trace+0x22/0x60 [<0000000027384c69>] devl_resource_register+0x144/0x4e0 [<00000000a16db248>] nsim_drv_probe+0x37a/0x1260 [<000000007d1f448c>] really_probe+0x20b/0xb10 [<00000000c416848a>] __driver_probe_device+0x1b3/0x4a0 [<00000000077e0351>] driver_probe_device+0x49/0x140 [<0000000054f2465a>] __device_attach_driver+0x18c/0x2a0 [<000000008538f359>] bus_for_each_drv+0x151/0x1d0 [<0000000038e09747>] __device_attach+0x1c9/0x4e0 [<00000000dd86e533>] bus_probe_device+0x1d5/0x280 [<00000000839bea35>] device_add+0xae0/0x1cb0 [<000000009c2abf46>] new_device_store+0x3b6/0x5f0 [<00000000fb823d7f>] bus_attr_store+0x72/0xa0 [<000000007acc4295>] sysfs_kf_write+0x106/0x160 [<000000005f50cb4d>] kernfs_fop_write_iter+0x3a8/0x5a0 [<0000000075eb41bf>] vfs_write+0x8f0/0xc80
View original CVE JSON
{
"id": "CVE-2022-50500",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-10-04T16:15:47.153",
"lastModified": "2026-11-05T21:17:02.580",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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 [<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"
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/net/netdevsim/dev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "37923ed6b8cea94d7d76038e2f72c57a0b45daab",
"lessThan": "7c4957fe40e2a628b7cceaf4c9bfb5b701774d05",
"versionType": "git",
"status": "affected"
},
{
"version": "37923ed6b8cea94d7d76038e2f72c57a0b45daab",
"lessThan": "6b1da9f7126f05e857da6db24c6a04aa7974d644",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/net/netdevsim/dev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "4.17",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.17",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.0.7",
"lessThanOrEqual": "6.0.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T20:12:28.981926Z",
"id": "CVE-2022-50500",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.17",
"versionEndExcluding": "6.0.7",
"matchCriteriaId": "F34DC795-2F6B-4DC1-AFD7-A6C124134954"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
"matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*",
"matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/6b1da9f7126f05e857da6db24c6a04aa7974d644",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/7c4957fe40e2a628b7cceaf4c9bfb5b701774d05",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
}
]
}