cve-2024-46822
Vulnerability from cvelistv5
Published
2024-09-27 12:39
Modified
2024-11-05 09:47
Severity ?
EPSS score ?
Summary
arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry
References
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-46822",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-29T14:13:38.744969Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-29T14:13:48.323Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"arch/arm64/include/asm/acpi.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "f57769ff6fa7",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "4c3b21204abb",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "945be49f4e83",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "40cae0df42e5",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "62ca6d3a905b",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "bc7fbb37e3d2",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "2488444274c7",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"arch/arm64/include/asm/acpi.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.284",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.226",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.167",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.110",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.51",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"version": "6.10.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.11",
"versionType": "original_commit_for_fix"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry\n\nIn a review discussion of the changes to support vCPU hotplug where\na check was added on the GICC being enabled if was online, it was\nnoted that there is need to map back to the cpu and use that to index\ninto a cpumask. As such, a valid ID is needed.\n\nIf an MPIDR check fails in acpi_map_gic_cpu_interface() it is possible\nfor the entry in cpu_madt_gicc[cpu] == NULL. This function would\nthen cause a NULL pointer dereference. Whilst a path to trigger\nthis has not been established, harden this caller against the\npossibility."
}
],
"providerMetadata": {
"dateUpdated": "2024-11-05T09:47:17.854Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/f57769ff6fa7f97f1296965f20e8a2bb3ee9fd0f"
},
{
"url": "https://git.kernel.org/stable/c/4c3b21204abb4fa3ab310fbbb5cf7f0e85f3a1bc"
},
{
"url": "https://git.kernel.org/stable/c/945be49f4e832a9184c313fdf8917475438a795b"
},
{
"url": "https://git.kernel.org/stable/c/40cae0df42e5e7f7a1c0f32deed9c4027c1ba94e"
},
{
"url": "https://git.kernel.org/stable/c/62ca6d3a905b4c40cd942f3cc645a6718f8bc7e7"
},
{
"url": "https://git.kernel.org/stable/c/bc7fbb37e3d2df59336eadbd6a56be632e3c7df7"
},
{
"url": "https://git.kernel.org/stable/c/2488444274c70038eb6b686cba5f1ce48ebb9cdd"
}
],
"title": "arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry",
"x_generator": {
"engine": "bippy-9e1c9544281a"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-46822",
"datePublished": "2024-09-27T12:39:23.345Z",
"dateReserved": "2024-09-11T15:12:18.285Z",
"dateUpdated": "2024-11-05T09:47:17.854Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2024-46822\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-27T13:15:14.830\",\"lastModified\":\"2024-10-02T14:24:01.757\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\narm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry\\n\\nIn a review discussion of the changes to support vCPU hotplug where\\na check was added on the GICC being enabled if was online, it was\\nnoted that there is need to map back to the cpu and use that to index\\ninto a cpumask. As such, a valid ID is needed.\\n\\nIf an MPIDR check fails in acpi_map_gic_cpu_interface() it is possible\\nfor the entry in cpu_madt_gicc[cpu] == NULL. This function would\\nthen cause a NULL pointer dereference. Whilst a path to trigger\\nthis has not been established, harden this caller against the\\npossibility.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: arm64: acpi: endurecer get_cpu_for_acpi_id() contra la entrada de CPU faltante En una discusi\u00f3n de revisi\u00f3n de los cambios para soportar vCPU hotplug donde se agreg\u00f3 una verificaci\u00f3n en el GICC que se habilita si est\u00e1 en l\u00ednea, se observ\u00f3 que es necesario volver a mapear a la CPU y usar eso para indexar en una cpumask. Como tal, se necesita una ID v\u00e1lida. Si una verificaci\u00f3n MPIDR falla en acpi_map_gic_cpu_interface() es posible que la entrada en cpu_madt_gicc[cpu] == NULL. Esta funci\u00f3n causar\u00eda una desreferencia de puntero NULL. Si bien no se ha establecido una ruta para activar esto, endurezca este llamador contra la posibilidad.\"}],\"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\",\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4.284\",\"matchCriteriaId\":\"B1C17E9C-479F-4AE4-8344-B7A213DE3E83\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.226\",\"matchCriteriaId\":\"864FC17C-501A-4823-A643-6F35D65D8A97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.167\",\"matchCriteriaId\":\"043405A4-25FE-45D4-A7BB-2A0C3B7D17C1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.110\",\"matchCriteriaId\":\"6B1A95FC-7E7E-428B-BB59-F76640C652AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.51\",\"matchCriteriaId\":\"E4529134-BAC4-4776-840B-304009E181A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.10\",\"matchCriteriaId\":\"ACDEE48C-137A-4731-90D0-A675865E1BED\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2488444274c70038eb6b686cba5f1ce48ebb9cdd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/40cae0df42e5e7f7a1c0f32deed9c4027c1ba94e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4c3b21204abb4fa3ab310fbbb5cf7f0e85f3a1bc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/62ca6d3a905b4c40cd942f3cc645a6718f8bc7e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/945be49f4e832a9184c313fdf8917475438a795b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bc7fbb37e3d2df59336eadbd6a56be632e3c7df7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f57769ff6fa7f97f1296965f20e8a2bb3ee9fd0f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- 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.