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CVE-2022-50754

Estado: AplazadaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

apparmor: fix a memleak in multi_transaction_new()

In multi_transaction_new(), the variable t is not freed or passed out on the failure of copy_from_user(t->data, buf, size), which could lead to a memleak.

Fix this bug by adding a put_multi_transaction(t) in the error path.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-50754",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "lessThan": "11d5fe7da67c3334cefc981297fd5defb78df15c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
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              "versionType": "git"
            },
            {
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              "versionType": "git"
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            {
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          "programFiles": [
            "security/apparmor/apparmorfs.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.13"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.13",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.14.303",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "status": "unaffected",
              "version": "4.19.270",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "status": "unaffected",
              "version": "5.4.229",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.163",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.86",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "security/apparmor/apparmorfs.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-24T13:16:02.140",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/11d5fe7da67c3334cefc981297fd5defb78df15c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    {
      "url": "https://git.kernel.org/stable/c/3d27a436e294ac5d7a51bd5348ca63a42a468b35",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "url": "https://git.kernel.org/stable/c/775a37ffa9f4681c4ad84c8634a7eec8af7098d4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    {
      "url": "https://git.kernel.org/stable/c/88989932c2269ea66074f52a6213598838f8b9e7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    {
      "url": "https://git.kernel.org/stable/c/935d86b29093e75b6c547d90b3979c2c2d23f1c4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/95e6adc6a7a4761ddf69ad713e55a06a3206309d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c73275cf6834787ca090317f1d20dbfa3b7f05aa",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/eb0f78e28cbc8f97439c0a4c80ee5160c1df5ce6",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix a memleak in multi_transaction_new()\n\nIn multi_transaction_new(), the variable t is not freed or passed out\non the failure of copy_from_user(t->data, buf, size), which could lead\nto a memleak.\n\nFix this bug by adding a put_multi_transaction(t) in the error path."
    }
  ],
  "lastModified": "2026-06-17T05:24:07.267",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}