CVE-2022-49047 (GCVE-0-2022-49047)
Vulnerability from cvelistv5
Published
2025-02-26 01:54
Modified
2025-05-04 08:28
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ep93xx: clock: Fix UAF in ep93xx_clk_register_gate() arch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] arch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch if (IS_ERR(clk)) ^ arch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released kfree(psc); ^~~~~~~~~~ arch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed return &psc->hw; ^ ~~~~~~~~
References
Impacted products
Vendor Product Version
Linux Linux Version: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37
Version: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49047",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-27T17:59:30.647734Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-27T18:02:30.354Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/arm/mach-ep93xx/clock.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0f12166872da46c6b57ba2f1314bbf310b3bf017",
              "status": "affected",
              "version": "9645ccc7bd7a16cd73c3be9dee70cd702b03be37",
              "versionType": "git"
            },
            {
              "lessThan": "3b68b08885217abd9c57ff9b3bb3eb173eee02a9",
              "status": "affected",
              "version": "9645ccc7bd7a16cd73c3be9dee70cd702b03be37",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/arm/mach-ep93xx/clock.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.16"
            },
            {
              "lessThan": "5.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.17.4",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nep93xx: clock: Fix UAF in ep93xx_clk_register_gate()\n\narch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc]\narch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch\nif (IS_ERR(clk))\n^\narch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released\nkfree(psc);\n^~~~~~~~~~\narch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed\nreturn \u0026psc-\u003ehw;\n^ ~~~~~~~~"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:28:36.151Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017"
        },
        {
          "url": "https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9"
        }
      ],
      "title": "ep93xx: clock: Fix UAF in ep93xx_clk_register_gate()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49047",
    "datePublished": "2025-02-26T01:54:23.471Z",
    "dateReserved": "2025-02-26T01:49:39.242Z",
    "dateUpdated": "2025-05-04T08:28:36.151Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49047\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:00:41.983\",\"lastModified\":\"2025-03-24T17:45:00.503\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nep93xx: clock: Fix UAF in ep93xx_clk_register_gate()\\n\\narch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc]\\narch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch\\nif (IS_ERR(clk))\\n^\\narch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released\\nkfree(psc);\\n^~~~~~~~~~\\narch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed\\nreturn \u0026psc-\u003ehw;\\n^ ~~~~~~~~\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ep93xx: clock: Arreglar UAF en ep93xx_clk_register_gate() arch/arm/mach-ep93xx/clock.c:154:2: advertencia: Uso de memoria despu\u00e9s de que se libera [clang-analyzer-unix.Malloc] arch/arm/mach-ep93xx/clock.c:151:2: nota: Tomando rama verdadera si (IS_ERR(clk)) ^ arch/arm/mach-ep93xx/clock.c:152:3: nota: Se libera memoria kfree(psc); ^~~~~~~~~~ arch/arm/mach-ep93xx/clock.c:154:2: nota: Uso de memoria despu\u00e9s de que se libera return \u0026amp;psc-\u0026gt;hw; ^ ~~~~~~~~\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"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\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"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\":\"5.17.4\",\"matchCriteriaId\":\"E22C86CB-06CD-4D16-AB2A-F21EE8199262\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"6AD94161-84BB-42E6-9882-4FC0C42E9FC1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"7AB06DDF-3C2B-416D-B448-E990D8FF67A9\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-02-26T01:54:23.471Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nep93xx: clock: Fix UAF in ep93xx_clk_register_gate()\\n\\narch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc]\\narch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch\\nif (IS_ERR(clk))\\n^\\narch/arm/mach-ep93xx/clock.c:152:3: note: Memory is released\\nkfree(psc);\\n^~~~~~~~~~\\narch/arm/mach-ep93xx/clock.c:154:2: note: Use of memory after it is freed\\nreturn \u0026psc-\u003ehw;\\n^ ~~~~~~~~\"}], \"affected\": [{\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"unaffected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"arch/arm/mach-ep93xx/clock.c\"], \"versions\": [{\"version\": \"9645ccc7bd7a16cd73c3be9dee70cd702b03be37\", \"lessThan\": \"0f12166872da46c6b57ba2f1314bbf310b3bf017\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"9645ccc7bd7a16cd73c3be9dee70cd702b03be37\", \"lessThan\": \"3b68b08885217abd9c57ff9b3bb3eb173eee02a9\", \"status\": \"affected\", \"versionType\": \"git\"}]}, {\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"affected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"arch/arm/mach-ep93xx/clock.c\"], \"versions\": [{\"version\": \"5.16\", \"status\": \"affected\"}, {\"version\": \"0\", \"lessThan\": \"5.16\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.17.4\", \"lessThanOrEqual\": \"5.17.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.18\", \"lessThanOrEqual\": \"*\", \"status\": \"unaffected\", \"versionType\": \"original_commit_for_fix\"}]}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/0f12166872da46c6b57ba2f1314bbf310b3bf017\"}, {\"url\": \"https://git.kernel.org/stable/c/3b68b08885217abd9c57ff9b3bb3eb173eee02a9\"}], \"title\": \"ep93xx: clock: Fix UAF in ep93xx_clk_register_gate()\", \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49047\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-27T17:59:30.647734Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-27T17:59:32.238Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49047\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2025-02-26T01:49:39.242Z\", \"datePublished\": \"2025-02-26T01:54:23.471Z\", \"dateUpdated\": \"2025-02-27T18:02:30.354Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.