{
  "id": "CVE-2024-26739",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-04-03T17:15:51.367",
  "lastModified": "2025-01-07T17:28:37.057",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: act_mirred: don't override retval if we already lost the skb\n\nIf we're redirecting the skb, and haven't called tcf_mirred_forward(),\nyet, we need to tell the core to drop the skb by setting the retcode\nto SHOT. If we have called tcf_mirred_forward(), however, the skb\nis out of our hands and returning SHOT will lead to UaF.\n\nMove the retval override to the error path which actually need it."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/sched: act_mirred: no anula retval si ya perdimos el skb. Si estamos redirigiendo el skb y a\u00fan no hemos llamado a tcf_mirred_forward(), necesitamos para decirle al n\u00facleo que suelte el skb configurando el c\u00f3digo de retecci\u00f3n en SHOT. Sin embargo, si hemos llamado a tcf_mirred_forward(), el skb est\u00e1 fuera de nuestras manos y devolver SHOT conducir\u00e1 a UaF. Mueva la anulaci\u00f3n de recuperaci\u00f3n a la ruta de error que realmente la necesita."
    }
  ],
  "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": "4.19",
              "versionEndExcluding": "6.6.19",
              "matchCriteriaId": "F8A3F8A7-B329-4F88-88B5-ABAECCAE3D60"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "6.7",
              "versionEndExcluding": "6.7.7",
              "matchCriteriaId": "575EE16B-67F2-4B5B-B5F8-1877715C898B"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/28cdbbd38a4413b8eff53399b3f872fd4e80db9d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/f4e294bbdca8ac8757db436fc82214f3882fc7e7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/28cdbbd38a4413b8eff53399b3f872fd4e80db9d",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/f4e294bbdca8ac8757db436fc82214f3882fc7e7",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    }
  ]
}