CVE-2022-50316
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
orangefs: Fix kmemleak in orangefs_sysfs_init()
When insert and remove the orangefs module, there are kobjects memory leaked as below:
Detalles técnicos trazas, registros y código del informe original
unreferenced object 0xffff88810f95af00 (size 64):
comm "insmod", pid 783, jiffies 4294813439 (age 65.512s)
hex dump (first 32 bytes):
a0 83 af 01 81 88 ff ff 08 af 95 0f 81 88 ff ff ................
08 af 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000031ab7788>] kmalloc_trace+0x27/0xa0
[<000000005a6e4dfe>] orangefs_sysfs_init+0x42/0x3a0
[<00000000722645ca>] 0xffffffffa02780fe
[<000000004232d9f7>] do_one_initcall+0x87/0x2a0
[<0000000054f22384>] do_init_module+0xdf/0x320
[<000000003263bdea>] load_module+0x2f98/0x3330
[<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0
[<00000000250ae02b>] do_syscall_64+0x35/0x80
[<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
unreferenced object 0xffff88810f95ae80 (size 64):
comm "insmod", pid 783, jiffies 4294813439 (age 65.512s)
hex dump (first 32 bytes):
c8 90 0f 02 81 88 ff ff 88 ae 95 0f 81 88 ff ff ................
88 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000031ab7788>] kmalloc_trace+0x27/0xa0
[<000000001a4841fa>] orangefs_sysfs_init+0xc7/0x3a0
[<00000000722645ca>] 0xffffffffa02780fe
[<000000004232d9f7>] do_one_initcall+0x87/0x2a0
[<0000000054f22384>] do_init_module+0xdf/0x320
[<000000003263bdea>] load_module+0x2f98/0x3330
[<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0
[<00000000250ae02b>] do_syscall_64+0x35/0x80
[<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
unreferenced object 0xffff88810f95ae00 (size 64):
comm "insmod", pid 783, jiffies 4294813440 (age 65.511s)
hex dump (first 32 bytes):
60 87 a1 00 81 88 ff ff 08 ae 95 0f 81 88 ff ff `...............
08 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000031ab7788>] kmalloc_trace+0x27/0xa0
[<000000005915e797>] orangefs_sysfs_init+0x12b/0x3a0
[<00000000722645ca>] 0xffffffffa02780fe
[<000000004232d9f7>] do_one_initcall+0x87/0x2a0
[<0000000054f22384>] do_init_module+0xdf/0x320
[<000000003263bdea>] load_module+0x2f98/0x3330
[<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0
[<00000000250ae02b>] do_syscall_64+0x35/0x80
[<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
unreferenced object 0xffff88810f95ad80 (size 64):
comm "insmod", pid 783, jiffies 4294813440 (age 65.511s)
hex dump (first 32 bytes):
78 90 0f 02 81 88 ff ff 88 ad 95 0f 81 88 ff ff x...............
88 ad 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000031ab7788>] kmalloc_trace+0x27/0xa0
[<000000007a14eb35>] orangefs_sysfs_init+0x1ac/0x3a0
[<00000000722645ca>] 0xffffffffa02780fe
[<000000004232d9f7>] do_one_initcall+0x87/0x2a0
[<0000000054f22384>] do_init_module+0xdf/0x320
[<000000003263bdea>] load_module+0x2f98/0x3330
[<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0
[<00000000250ae02b>] do_syscall_64+0x35/0x80
[<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
unreferenced object 0xffff88810f95ac00 (size 64):
comm "insmod", pid 783, jiffies 4294813440 (age 65.531s)
hex dump (first 32 bytes):
e0 ff 67 02 81 88 ff ff 08 ac 95 0f 81 88 ff ff ..g.............
08 ac 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000031ab7788>] kmalloc_trace+0x27/0xa0
[<000000001f38adcb>] orangefs_sysfs_init+0x291/0x3a0
[<00000000722645ca>] 0xffffffffa02780fe
[<000000004232d9f7>] do_one_initcall+0x87/0x2a0
[<0000000054f22384>] do_init_module+0xdf/0x320
[<000000003263bdea>] load_module+0x2f98/0x3330
[<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0
[<00000000250ae02b>] do_syscall_64+0x35/
---truncated---CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.16%
- Percentil entre todas las CVEs puntuadas: 4
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-401
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-50316",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "dc3012a7afb529f3306c880be379b3021892279e",
"lessThan": "9ce4ba7fff5af36da82dc5964221367630621b99",
"versionType": "git"
},
{
"status": "affected",
"version": "dc3012a7afb529f3306c880be379b3021892279e",
"lessThan": "22409490294180c39be7dd0e5b2667d41556307d",
"versionType": "git"
},
{
"status": "affected",
"version": "dc3012a7afb529f3306c880be379b3021892279e",
"lessThan": "1f2c0e8a587bcafad85019a2d80f158d8d41a868",
"versionType": "git"
}
],
"programFiles": [
"fs/orangefs/orangefs-sysfs.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.0.16",
"versionType": "semver",
"lessThanOrEqual": "6.0.*"
},
{
"status": "unaffected",
"version": "6.1.2",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/orangefs/orangefs-sysfs.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-09-15T15:15:43.500",
"references": [
{
"url": "https://git.kernel.org/stable/c/1f2c0e8a587bcafad85019a2d80f158d8d41a868",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/22409490294180c39be7dd0e5b2667d41556307d",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9ce4ba7fff5af36da82dc5964221367630621b99",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: Fix kmemleak in orangefs_sysfs_init()\n\nWhen insert and remove the orangefs module, there are kobjects memory\nleaked as below:\n\nunreferenced object 0xffff88810f95af00 (size 64):\n comm \"insmod\", pid 783, jiffies 4294813439 (age 65.512s)\n hex dump (first 32 bytes):\n a0 83 af 01 81 88 ff ff 08 af 95 0f 81 88 ff ff ................\n 08 af 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<0000000031ab7788>] kmalloc_trace+0x27/0xa0\n [<000000005a6e4dfe>] orangefs_sysfs_init+0x42/0x3a0\n [<00000000722645ca>] 0xffffffffa02780fe\n [<000000004232d9f7>] do_one_initcall+0x87/0x2a0\n [<0000000054f22384>] do_init_module+0xdf/0x320\n [<000000003263bdea>] load_module+0x2f98/0x3330\n [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0\n [<00000000250ae02b>] do_syscall_64+0x35/0x80\n [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nunreferenced object 0xffff88810f95ae80 (size 64):\n comm \"insmod\", pid 783, jiffies 4294813439 (age 65.512s)\n hex dump (first 32 bytes):\n c8 90 0f 02 81 88 ff ff 88 ae 95 0f 81 88 ff ff ................\n 88 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<0000000031ab7788>] kmalloc_trace+0x27/0xa0\n [<000000001a4841fa>] orangefs_sysfs_init+0xc7/0x3a0\n [<00000000722645ca>] 0xffffffffa02780fe\n [<000000004232d9f7>] do_one_initcall+0x87/0x2a0\n [<0000000054f22384>] do_init_module+0xdf/0x320\n [<000000003263bdea>] load_module+0x2f98/0x3330\n [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0\n [<00000000250ae02b>] do_syscall_64+0x35/0x80\n [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nunreferenced object 0xffff88810f95ae00 (size 64):\n comm \"insmod\", pid 783, jiffies 4294813440 (age 65.511s)\n hex dump (first 32 bytes):\n 60 87 a1 00 81 88 ff ff 08 ae 95 0f 81 88 ff ff `...............\n 08 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<0000000031ab7788>] kmalloc_trace+0x27/0xa0\n [<000000005915e797>] orangefs_sysfs_init+0x12b/0x3a0\n [<00000000722645ca>] 0xffffffffa02780fe\n [<000000004232d9f7>] do_one_initcall+0x87/0x2a0\n [<0000000054f22384>] do_init_module+0xdf/0x320\n [<000000003263bdea>] load_module+0x2f98/0x3330\n [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0\n [<00000000250ae02b>] do_syscall_64+0x35/0x80\n [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nunreferenced object 0xffff88810f95ad80 (size 64):\n comm \"insmod\", pid 783, jiffies 4294813440 (age 65.511s)\n hex dump (first 32 bytes):\n 78 90 0f 02 81 88 ff ff 88 ad 95 0f 81 88 ff ff x...............\n 88 ad 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<0000000031ab7788>] kmalloc_trace+0x27/0xa0\n [<000000007a14eb35>] orangefs_sysfs_init+0x1ac/0x3a0\n [<00000000722645ca>] 0xffffffffa02780fe\n [<000000004232d9f7>] do_one_initcall+0x87/0x2a0\n [<0000000054f22384>] do_init_module+0xdf/0x320\n [<000000003263bdea>] load_module+0x2f98/0x3330\n [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0\n [<00000000250ae02b>] do_syscall_64+0x35/0x80\n [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nunreferenced object 0xffff88810f95ac00 (size 64):\n comm \"insmod\", pid 783, jiffies 4294813440 (age 65.531s)\n hex dump (first 32 bytes):\n e0 ff 67 02 81 88 ff ff 08 ac 95 0f 81 88 ff ff ..g.............\n 08 ac 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<0000000031ab7788>] kmalloc_trace+0x27/0xa0\n [<000000001f38adcb>] orangefs_sysfs_init+0x291/0x3a0\n [<00000000722645ca>] 0xffffffffa02780fe\n [<000000004232d9f7>] do_one_initcall+0x87/0x2a0\n [<0000000054f22384>] do_init_module+0xdf/0x320\n [<000000003263bdea>] load_module+0x2f98/0x3330\n [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0\n [<00000000250ae02b>] do_syscall_64+0x35/\n---truncated---"
}
],
"lastModified": "2026-08-15T13:17:31.920",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5EDFAC82-E481-48E7-ADE2-72860AA124AC",
"versionEndExcluding": "6.0.16",
"versionStartIncluding": "4.6"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "77239F4B-6BB2-4B9E-A654-36A52396116C",
"versionEndExcluding": "6.1.2",
"versionStartIncluding": "6.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}