FKIE_CVE-2022-50754

Vulnerability from fkie_nvd - Published: 2025-12-24 13:16 - Updated: 2026-06-17 05:24
Severity
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/11d5fe7da67c3334cefc981297fd5defb78df15c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3d27a436e294ac5d7a51bd5348ca63a42a468b35
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/775a37ffa9f4681c4ad84c8634a7eec8af7098d4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/88989932c2269ea66074f52a6213598838f8b9e7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/935d86b29093e75b6c547d90b3979c2c2d23f1c4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/95e6adc6a7a4761ddf69ad713e55a06a3206309d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c73275cf6834787ca090317f1d20dbfa3b7f05aa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eb0f78e28cbc8f97439c0a4c80ee5160c1df5ce6
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "security/apparmor/apparmorfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "11d5fe7da67c3334cefc981297fd5defb78df15c",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            },
            {
              "lessThan": "95e6adc6a7a4761ddf69ad713e55a06a3206309d",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            },
            {
              "lessThan": "eb0f78e28cbc8f97439c0a4c80ee5160c1df5ce6",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            },
            {
              "lessThan": "935d86b29093e75b6c547d90b3979c2c2d23f1c4",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            },
            {
              "lessThan": "775a37ffa9f4681c4ad84c8634a7eec8af7098d4",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            },
            {
              "lessThan": "88989932c2269ea66074f52a6213598838f8b9e7",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            },
            {
              "lessThan": "3d27a436e294ac5d7a51bd5348ca63a42a468b35",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            },
            {
              "lessThan": "c73275cf6834787ca090317f1d20dbfa3b7f05aa",
              "status": "affected",
              "version": "1dea3b41e84c5923173fe654dcb758a5cb4a46e5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "security/apparmor/apparmorfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.13"
            },
            {
              "lessThan": "4.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.303",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.270",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.229",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.163",
              "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\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-\u003edata, buf, size), which could lead\nto a memleak.\n\nFix this bug by adding a put_multi_transaction(t) in the error path."
    }
  ],
  "id": "CVE-2022-50754",
  "lastModified": "2026-06-17T05:24:07.267",
  "metrics": {},
  "published": "2025-12-24T13:16:02.140",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/11d5fe7da67c3334cefc981297fd5defb78df15c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3d27a436e294ac5d7a51bd5348ca63a42a468b35"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/775a37ffa9f4681c4ad84c8634a7eec8af7098d4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/88989932c2269ea66074f52a6213598838f8b9e7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "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"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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