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CVE-2023-54264

Estado: AplazadaSin puntuar—

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

fs/sysv: Null check to prevent null-ptr-deref bug

sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.

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-2023-54264",
  "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": "e5657933863f43cc6bb76a54d659303dafaa9e58",
              "lessThan": "e976988bc245ec3768cc0f76bed7d05488a7dd0f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
              "lessThan": "baa60c66a310c50785289b0ede6fdce8ec3219c7",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
              "lessThan": "0a44ceba77c3267f8505dda102a59367dc24caee",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
              "lessThan": "7f740bc696d4617f8ee44565e8ac0d36278a1e91",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
              "lessThan": "afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
              "lessThan": "1416eebaad80bdc85ad9f97f27242011b031e2a9",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
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              "versionType": "git"
            },
            {
              "status": "affected",
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              "lessThan": "ea2b62f305893992156a798f665847e0663c9f41",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "fs/sysv/itree.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.19"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "2.6.19",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.14.322",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "status": "unaffected",
              "version": "4.19.291",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "status": "unaffected",
              "version": "5.4.253",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.190",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.126",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.45",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.4.10",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "fs/sysv/itree.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-30T13:16:15.193",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/sysv: Null check to prevent null-ptr-deref bug\n\nsb_getblk(inode->i_sb, parent) return a null ptr and taking lock on\nthat leads to the null-ptr-deref bug."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nfs/sysv: Verificación de nulos para prevenir el error de desreferencia de puntero nulo\n\nsb_getblk(inode->i_sb, parent) devuelve un puntero nulo y adquirir un bloqueo sobre eso conduce al error de desreferencia de puntero nulo."
    }
  ],
  "lastModified": "2026-06-17T06:47:07.147",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}