FKIE_CVE-2022-50837

Vulnerability from fkie_nvd - Published: 2025-12-30 13:15 - Updated: 2026-06-17 05:24
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path If dsa_tag_8021q_setup() fails, for example due to the inability of the device to install a VLAN, the tag_8021q context of the switch will leak. Make sure it is freed on the error path.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/09f30f394e832ed09859b6a80fdd20668a9104ff
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/14ed46a13aba42a6ddd85de6f6274090df3586a5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/39691d51af99f80efb9e365f94b8e0c791fa1a2f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e095493091e850d5292ad01d8fbf5cde1d89ac53
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/dsa/tag_8021q.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "09f30f394e832ed09859b6a80fdd20668a9104ff",
              "status": "affected",
              "version": "328621f6131f667c5c328bb72d45442fd76efb81",
              "versionType": "git"
            },
            {
              "lessThan": "39691d51af99f80efb9e365f94b8e0c791fa1a2f",
              "status": "affected",
              "version": "328621f6131f667c5c328bb72d45442fd76efb81",
              "versionType": "git"
            },
            {
              "lessThan": "14ed46a13aba42a6ddd85de6f6274090df3586a5",
              "status": "affected",
              "version": "328621f6131f667c5c328bb72d45442fd76efb81",
              "versionType": "git"
            },
            {
              "lessThan": "e095493091e850d5292ad01d8fbf5cde1d89ac53",
              "status": "affected",
              "version": "328621f6131f667c5c328bb72d45442fd76efb81",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/dsa/tag_8021q.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.86",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path\n\nIf dsa_tag_8021q_setup() fails, for example due to the inability of the\ndevice to install a VLAN, the tag_8021q context of the switch will leak.\nMake sure it is freed on the error path."
    }
  ],
  "id": "CVE-2022-50837",
  "lastModified": "2026-06-17T05:24:16.323",
  "metrics": {},
  "published": "2025-12-30T13:15:58.243",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/09f30f394e832ed09859b6a80fdd20668a9104ff"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/14ed46a13aba42a6ddd85de6f6274090df3586a5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/39691d51af99f80efb9e365f94b8e0c791fa1a2f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e095493091e850d5292ad01d8fbf5cde1d89ac53"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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