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CVE-2022-50840

Estado: AplazadaSin puntuar—

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

scsi: snic: Fix possible UAF in snic_tgt_create()

Smatch reports a warning as follows:

If device_add() fails in snic_tgt_create(), tgt will be freed, but tgt->list will not be removed from snic->disc.tgt_list, then list traversal may cause UAF.

Remove from snic->disc.tgt_list before free().

Detalles técnicos trazas, registros y código del informe original
drivers/scsi/snic/snic_disc.c:307 snic_tgt_create() warn:
  '&tgt->list' not removed from list

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-2022-50840",
  "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": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
              "lessThan": "f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
              "lessThan": "3772319e40527e6a5f2ec1d729e01f271d818f5c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
              "lessThan": "3007f96ca20c848d0b1b052df6d2cb5ae5586e78",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
              "lessThan": "6866154c23fba40888ad6d554cccd4bf2edb755e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
              "lessThan": "ad27f74e901fc48729733c88818e6b96c813057d",
              "versionType": "git"
            },
            {
              "status": "affected",
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              "lessThan": "1895e908b3ae66a5312fd1b2cdda2da82993dca7",
              "versionType": "git"
            },
            {
              "status": "affected",
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              "lessThan": "c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa",
              "lessThan": "4141cd9e8b3379aea52a85d2c35f6eaf26d14e86",
              "versionType": "git"
            },
            {
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              "lessThan": "e118df492320176af94deec000ae034cc92be754",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/scsi/snic/snic_disc.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.2"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.2",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.9.337",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "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": [
            "drivers/scsi/snic/snic_disc.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-30T13:15:58.570",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1895e908b3ae66a5312fd1b2cdda2da82993dca7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3007f96ca20c848d0b1b052df6d2cb5ae5586e78",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3772319e40527e6a5f2ec1d729e01f271d818f5c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4141cd9e8b3379aea52a85d2c35f6eaf26d14e86",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6866154c23fba40888ad6d554cccd4bf2edb755e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ad27f74e901fc48729733c88818e6b96c813057d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e118df492320176af94deec000ae034cc92be754",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: snic: Fix possible UAF in snic_tgt_create()\n\nSmatch reports a warning as follows:\n\ndrivers/scsi/snic/snic_disc.c:307 snic_tgt_create() warn:\n  '&tgt->list' not removed from list\n\nIf device_add() fails in snic_tgt_create(), tgt will be freed, but\ntgt->list will not be removed from snic->disc.tgt_list, then list traversal\nmay cause UAF.\n\nRemove from snic->disc.tgt_list before free()."
    }
  ],
  "lastModified": "2026-06-17T05:24:16.637",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}