cve-2022-48782
Vulnerability from cvelistv5
Published
2024-07-16 11:13
Modified
2024-11-04 12:16
Severity ?
Summary
mctp: fix use after free
Impacted products
Vendor Product Version
Linux Linux Version: 5.16
Show details on NVD website


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        "title": "CVE Program Container"
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        "metrics": [
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                "id": "CVE-2022-48782",
                "options": [
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                  },
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                    "Automatable": "no"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T17:00:14.462603Z",
                "version": "2.0.3"
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          "product": "Linux",
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            "net/mctp/route.c"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmctp: fix use after free\n\nClang static analysis reports this problem\nroute.c:425:4: warning: Use of memory after it is freed\n  trace_mctp_key_acquire(key);\n  ^~~~~~~~~~~~~~~~~~~~~~~~~~~\nWhen mctp_key_add() fails, key is freed but then is later\nused in trace_mctp_key_acquire().  Add an else statement\nto use the key only when mctp_key_add() is successful."
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      "title": "mctp: fix use after free",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48782",
    "datePublished": "2024-07-16T11:13:19.141Z",
    "dateReserved": "2024-06-20T11:09:39.068Z",
    "dateUpdated": "2024-11-04T12:16:26.846Z",
    "state": "PUBLISHED"
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  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48782\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-16T12:15:03.290\",\"lastModified\":\"2024-11-21T07:34:00.750\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmctp: fix use after free\\n\\nClang static analysis reports this problem\\nroute.c:425:4: warning: Use of memory after it is freed\\n  trace_mctp_key_acquire(key);\\n  ^~~~~~~~~~~~~~~~~~~~~~~~~~~\\nWhen mctp_key_add() fails, key is freed but then is later\\nused in trace_mctp_key_acquire().  Add an else statement\\nto use the key only when mctp_key_add() is successful.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mctp: corregir el use after free El an\u00e1lisis est\u00e1tico de Clang informa este problema route.c:425:4: advertencia: uso de la memoria despu\u00e9s de liberarla trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Cuando mctp_key_add() falla, la clave se libera pero luego se usa en trace_mctp_key_acquire(). Agregue una declaraci\u00f3n else para usar la clave solo cuando mctp_key_add() sea exitoso.\"}],\"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:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.11\",\"matchCriteriaId\":\"0D327234-5D4A-43DC-A6DF-BCA0CEBEC039\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\"]}]}}"
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}


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