CVE-2022-50724
Estado: AplazadaSin puntuar—
In the Linux kernel, the following vulnerability has been resolved:
regulator: core: fix resource leak in regulator_register()
I got some resource leak reports while doing fault injection test:
After calling regulator_resolve_supply(), the 'rdev->supply' is set by set_supply(), after this set, in the error path, the resources need be released, so call regulator_put() to avoid the leaks.
Detalles técnicos trazas, registros y código del informe original
OF: ERROR: memory leak, expected refcount 1 instead of 100,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /i2c/pmic@64/regulators/buck1
unreferenced object 0xffff88810deea000 (size 512):
comm "490-i2c-rt5190a", pid 253, jiffies 4294859840 (age 5061.046s)
hex dump (first 32 bytes):
00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........
ff ff ff ff ff ff ff ff a0 1e 00 a1 ff ff ff ff ................
backtrace:
[<00000000d78541e2>] kmalloc_trace+0x21/0x110
[<00000000b343d153>] device_private_init+0x32/0xd0
[<00000000be1f0c70>] device_add+0xb2d/0x1030
[<00000000e3e6344d>] regulator_register+0xaf2/0x12a0
[<00000000e2f5e754>] devm_regulator_register+0x57/0xb0
[<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator]
unreferenced object 0xffff88810b617b80 (size 32):
comm "490-i2c-rt5190a", pid 253, jiffies 4294859904 (age 5060.983s)
hex dump (first 32 bytes):
72 65 67 75 6c 61 74 6f 72 2e 32 38 36 38 2d 53 regulator.2868-S
55 50 50 4c 59 00 ff ff 29 00 00 00 2b 00 00 00 UPPLY...)...+...
backtrace:
[<000000009da9280d>] __kmalloc_node_track_caller+0x44/0x1b0
[<0000000025c6a4e5>] kstrdup+0x3a/0x70
[<00000000790efb69>] create_regulator+0xc0/0x4e0
[<0000000005ed203a>] regulator_resolve_supply+0x2d4/0x440
[<0000000045796214>] regulator_register+0x10b3/0x12a0
[<00000000e2f5e754>] devm_regulator_register+0x57/0xb0
[<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator]CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.26%
- Percentil entre todas las CVEs puntuadas: 16
- Fecha de la puntuación: 5/10/2026
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
- https://git.kernel.org/stable/c/35593d60b1622834984c43add7646d4069671aa9
- https://git.kernel.org/stable/c/6a03c31d08f95dca9633a552de167b9e625833a8
- https://git.kernel.org/stable/c/90b713aadc1240bf2dd03d610d6c1d016a9123a2
- https://git.kernel.org/stable/c/ba62319a42c50e6254e98b3f316464fac8e77968
- https://git.kernel.org/stable/c/c4c64d8abd656b9807b63178750fa91454602b86
- https://git.kernel.org/stable/c/f86b2f216636790d5922458578825e4628fb570f
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-50724",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
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"vendor": "Linux",
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{
"status": "affected",
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"versionType": "git"
},
{
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{
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{
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},
{
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{
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{
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{
"status": "affected",
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"lessThan": "5.4.229",
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},
{
"status": "affected",
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},
{
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"lessThan": "4.15",
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{
"status": "affected",
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{
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},
{
"status": "affected",
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"lessThan": "5.10",
"versionType": "semver"
}
],
"programFiles": [
"drivers/regulator/core.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
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{
"status": "unaffected",
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},
{
"status": "unaffected",
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},
{
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},
{
"status": "unaffected",
"version": "5.15.86",
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},
{
"status": "unaffected",
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{
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},
{
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"lessThanOrEqual": "*"
}
],
"programFiles": [
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],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-12-24T13:15:59.057",
"references": [
{
"url": "https://git.kernel.org/stable/c/35593d60b1622834984c43add7646d4069671aa9",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/6a03c31d08f95dca9633a552de167b9e625833a8",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ba62319a42c50e6254e98b3f316464fac8e77968",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c4c64d8abd656b9807b63178750fa91454602b86",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f86b2f216636790d5922458578825e4628fb570f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Deferred",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: fix resource leak in regulator_register()\n\nI got some resource leak reports while doing fault injection test:\n\n OF: ERROR: memory leak, expected refcount 1 instead of 100,\n of_node_get()/of_node_put() unbalanced - destroy cset entry:\n attach overlay node /i2c/pmic@64/regulators/buck1\n\nunreferenced object 0xffff88810deea000 (size 512):\n comm \"490-i2c-rt5190a\", pid 253, jiffies 4294859840 (age 5061.046s)\n hex dump (first 32 bytes):\n 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........\n ff ff ff ff ff ff ff ff a0 1e 00 a1 ff ff ff ff ................\n backtrace:\n [<00000000d78541e2>] kmalloc_trace+0x21/0x110\n [<00000000b343d153>] device_private_init+0x32/0xd0\n [<00000000be1f0c70>] device_add+0xb2d/0x1030\n [<00000000e3e6344d>] regulator_register+0xaf2/0x12a0\n [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0\n [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator]\n\nunreferenced object 0xffff88810b617b80 (size 32):\n comm \"490-i2c-rt5190a\", pid 253, jiffies 4294859904 (age 5060.983s)\n hex dump (first 32 bytes):\n 72 65 67 75 6c 61 74 6f 72 2e 32 38 36 38 2d 53 regulator.2868-S\n 55 50 50 4c 59 00 ff ff 29 00 00 00 2b 00 00 00 UPPLY...)...+...\n backtrace:\n [<000000009da9280d>] __kmalloc_node_track_caller+0x44/0x1b0\n [<0000000025c6a4e5>] kstrdup+0x3a/0x70\n [<00000000790efb69>] create_regulator+0xc0/0x4e0\n [<0000000005ed203a>] regulator_resolve_supply+0x2d4/0x440\n [<0000000045796214>] regulator_register+0x10b3/0x12a0\n [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0\n [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator]\n\nAfter calling regulator_resolve_supply(), the 'rdev->supply' is set\nby set_supply(), after this set, in the error path, the resources\nneed be released, so call regulator_put() to avoid the leaks."
}
],
"lastModified": "2026-06-17T05:24:04.190",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}