CVE-2026-43317 (GCVE-0-2026-43317)
Vulnerability from cvelistv5
Published
2026-05-08 13:26
Modified
2026-05-11 22:22
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: most: core: fix leak on early registration failure A recent commit fixed a resource leak on early registration failures but for some reason left out the first error path which still leaks the resources associated with the interface. Fix up also the first error path so that the interface is always released on errors.
References
Impacted products
Vendor Product Version
Linux Linux Version: 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c
Version: 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c
Version: 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c
Version: 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/most/core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "bbfe49ffb892bddf32c34bea95b7ff0fc30affb5",
              "status": "affected",
              "version": "723de0f9171eeb49a3ae98cae82ebbbb992b3a7c",
              "versionType": "git"
            },
            {
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.6"
            },
            {
              "lessThan": "5.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.16",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.19.6",
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              "status": "unaffected",
              "version": "7.0",
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            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.16",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmost: core: fix leak on early registration failure\n\nA recent commit fixed a resource leak on early registration failures but\nfor some reason left out the first error path which still leaks the\nresources associated with the interface.\n\nFix up also the first error path so that the interface is always\nreleased on errors."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:22:13.350Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/bbfe49ffb892bddf32c34bea95b7ff0fc30affb5"
        },
        {
          "url": "https://git.kernel.org/stable/c/f1ba620f9e8d7291f80c0554e4b820f5fb30e819"
        },
        {
          "url": "https://git.kernel.org/stable/c/5fd4396c2e48e90cc2597a86c18227d56ea845f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/2c198c272f9c9213b0fdf6b4a879f445c574f416"
        }
      ],
      "title": "most: core: fix leak on early registration failure",
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43317",
    "datePublished": "2026-05-08T13:26:12.899Z",
    "dateReserved": "2026-05-01T14:12:56.001Z",
    "dateUpdated": "2026-05-11T22:22:13.350Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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