cve-2024-44971
Vulnerability from cvelistv5
Published
2024-09-04 18:56
Modified
2024-12-19 09:19
Severity ?
EPSS score ?
Summary
net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()
References
{
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"id": "CVE-2024-44971",
"options": [
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"Exploitation": "none"
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"Automatable": "no"
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"Technical Impact": "partial"
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"role": "CISA Coordinator",
"timestamp": "2024-09-10T17:39:14.220470Z",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment"
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"cna": {
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"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/dsa/bcm_sf2.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"descriptions": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()\n\nbcm_sf2_mdio_register() calls of_phy_find_device() and then\nphy_device_remove() in a loop to remove existing PHY devices.\nof_phy_find_device() eventually calls bus_find_device(), which calls\nget_device() on the returned struct device * to increment the refcount.\nThe current implementation does not decrement the refcount, which causes\nmemory leak.\n\nThis commit adds the missing phy_device_free() call to decrement the\nrefcount via put_device() to balance the refcount."
}
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"url": "https://git.kernel.org/stable/c/c05516c072903f6fb9134b8e7e1ad4bffcdc4819"
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"url": "https://git.kernel.org/stable/c/7feef10768ea71d468d9bbc1e0d14c461876768c"
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"url": "https://git.kernel.org/stable/c/a7d2808d67570e6acae45c2a96e0d59986888e4c"
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"url": "https://git.kernel.org/stable/c/f3d5efe18a11f94150fee8b3fda9d62079af640a"
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{
"url": "https://git.kernel.org/stable/c/e3862093ee93fcfbdadcb7957f5f8974fffa806a"
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"title": "net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()",
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-44971",
"datePublished": "2024-09-04T18:56:47.475Z",
"dateReserved": "2024-08-21T05:34:56.669Z",
"dateUpdated": "2024-12-19T09:19:22.621Z",
"state": "PUBLISHED"
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"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2024-44971\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-04T19:15:31.367\",\"lastModified\":\"2024-09-05T17:54:36.607\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()\\n\\nbcm_sf2_mdio_register() calls of_phy_find_device() and then\\nphy_device_remove() in a loop to remove existing PHY devices.\\nof_phy_find_device() eventually calls bus_find_device(), which calls\\nget_device() on the returned struct device * to increment the refcount.\\nThe current implementation does not decrement the refcount, which causes\\nmemory leak.\\n\\nThis commit adds the missing phy_device_free() call to decrement the\\nrefcount via put_device() to balance the refcount.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: dsa: bcm_sf2: Se corrige una posible p\u00e9rdida de memoria en bcm_sf2_mdio_register() bcm_sf2_mdio_register() llama a of_phy_find_device() y luego a phy_device_remove() en un bucle para eliminar los dispositivos PHY existentes. of_phy_find_device() finalmente llama a bus_find_device(), que llama a get_device() en el struct device * devuelto para incrementar el refcount. La implementaci\u00f3n actual no disminuye el refcount, lo que causa una p\u00e9rdida de memoria. Esta confirmaci\u00f3n agrega la llamada phy_device_free() faltante para disminuir el refcount a trav\u00e9s de put_device() para equilibrar el refcount.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"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\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"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\":\"5.10\",\"versionEndExcluding\":\"5.10.224\",\"matchCriteriaId\":\"3723F85C-99C4-4BA1-A411-426E0591769E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.165\",\"matchCriteriaId\":\"B4E2B568-3171-41DE-B519-F2B1A3600D94\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.105\",\"matchCriteriaId\":\"89BEB24B-0F37-4C92-A397-564DA7CD8EE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.46\",\"matchCriteriaId\":\"FA11941E-81FB-484C-B583-881EEB488340\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.5\",\"matchCriteriaId\":\"D074AE50-4A5E-499C-A2FD-75FD60DEA560\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7feef10768ea71d468d9bbc1e0d14c461876768c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a7d2808d67570e6acae45c2a96e0d59986888e4c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b7b8d9f5e679af60c94251fd6728dde34be69a71\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c05516c072903f6fb9134b8e7e1ad4bffcdc4819\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e3862093ee93fcfbdadcb7957f5f8974fffa806a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f3d5efe18a11f94150fee8b3fda9d62079af640a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.