CVE-2024-53213
Vulnerability from cvelistv5
Published
2024-12-27 13:49
Modified
2024-12-27 13:49
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fix double free issue with interrupt buffer allocation In lan78xx_probe(), the buffer `buf` was being freed twice: once implicitly through `usb_free_urb(dev->urb_intr)` with the `URB_FREE_BUFFER` flag and again explicitly by `kfree(buf)`. This caused a double free issue. To resolve this, reordered `kmalloc()` and `usb_alloc_urb()` calls to simplify the initialization sequence and removed the redundant `kfree(buf)`. Now, `buf` is allocated after `usb_alloc_urb()`, ensuring it is correctly managed by `usb_fill_int_urb()` and freed by `usb_free_urb()` as intended.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03819abbeb11117dcbba40bfe322b88c0c88a6b6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7ac9f3c981eeceee2ec4d30d850f4a6f50a1ec40
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/977128343fc2a30737399b58df8ea77e94f164bd
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a422ebec863d99d5607fb41bb7af3347fcb436d3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b09512aea6223eec756f52aa584fc29eeab57480
Impacted products
Vendor Product Version
Linux Linux Version: 5.17
Show details on NVD website

To clipboard 

{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/lan78xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "a6df95cae40bee555e01a37b4023ce8e97ffa249",
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          "product": "Linux",
          "programFiles": [
            "drivers/net/usb/lan78xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.120",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: lan78xx: Fix double free issue with interrupt buffer allocation\n\nIn lan78xx_probe(), the buffer `buf` was being freed twice: once\nimplicitly through `usb_free_urb(dev-\u003eurb_intr)` with the\n`URB_FREE_BUFFER` flag and again explicitly by `kfree(buf)`. This caused\na double free issue.\n\nTo resolve this, reordered `kmalloc()` and `usb_alloc_urb()` calls to\nsimplify the initialization sequence and removed the redundant\n`kfree(buf)`.  Now, `buf` is allocated after `usb_alloc_urb()`, ensuring\nit is correctly managed by  `usb_fill_int_urb()` and freed by\n`usb_free_urb()` as intended."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-27T13:49:58.709Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/977128343fc2a30737399b58df8ea77e94f164bd"
        },
        {
          "url": "https://git.kernel.org/stable/c/a422ebec863d99d5607fb41bb7af3347fcb436d3"
        },
        {
          "url": "https://git.kernel.org/stable/c/b09512aea6223eec756f52aa584fc29eeab57480"
        },
        {
          "url": "https://git.kernel.org/stable/c/7ac9f3c981eeceee2ec4d30d850f4a6f50a1ec40"
        },
        {
          "url": "https://git.kernel.org/stable/c/03819abbeb11117dcbba40bfe322b88c0c88a6b6"
        }
      ],
      "title": "net: usb: lan78xx: Fix double free issue with interrupt buffer allocation",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53213",
    "datePublished": "2024-12-27T13:49:58.709Z",
    "dateReserved": "2024-11-19T17:17:25.023Z",
    "dateUpdated": "2024-12-27T13:49:58.709Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-53213\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T14:15:29.237\",\"lastModified\":\"2024-12-27T14:15:29.237\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: usb: lan78xx: Fix double free issue with interrupt buffer allocation\\n\\nIn lan78xx_probe(), the buffer `buf` was being freed twice: once\\nimplicitly through `usb_free_urb(dev-\u003eurb_intr)` with the\\n`URB_FREE_BUFFER` flag and again explicitly by `kfree(buf)`. This caused\\na double free issue.\\n\\nTo resolve this, reordered `kmalloc()` and `usb_alloc_urb()` calls to\\nsimplify the initialization sequence and removed the redundant\\n`kfree(buf)`.  Now, `buf` is allocated after `usb_alloc_urb()`, ensuring\\nit is correctly managed by  `usb_fill_int_urb()` and freed by\\n`usb_free_urb()` as intended.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03819abbeb11117dcbba40bfe322b88c0c88a6b6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7ac9f3c981eeceee2ec4d30d850f4a6f50a1ec40\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/977128343fc2a30737399b58df8ea77e94f164bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a422ebec863d99d5607fb41bb7af3347fcb436d3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b09512aea6223eec756f52aa584fc29eeab57480\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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