« Volver al listado

CVE-2026-89716

Estado: RecibidaSin puntuar—

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

zram: validate deflate params

We must validate user-supplied deflate winbits before we pass it to zlib_deflate_workspacesize(), which triggers BUG_ON() if winbits value is outside of valid ranges.

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-2026-89716",
  "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": "dc75a0d93bd5a1c64104efb4ec680463afbdd755",
              "lessThan": "923578d0f0d0703c3db61ab35dc37075ae53b0bd",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dc75a0d93bd5a1c64104efb4ec680463afbdd755",
              "lessThan": "e23fac4ab2a5728386477b98a402a1042b21bffb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "dc75a0d93bd5a1c64104efb4ec680463afbdd755",
              "lessThan": "ec7607ac4717ff521c9c1e9d8271c26293345513",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/block/zram/backend_deflate.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.16",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.18.50",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.4",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/block/zram/backend_deflate.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-11T20:19:59.123",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/923578d0f0d0703c3db61ab35dc37075ae53b0bd",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e23fac4ab2a5728386477b98a402a1042b21bffb",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ec7607ac4717ff521c9c1e9d8271c26293345513",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nzram: validate deflate params\n\nWe must validate user-supplied deflate winbits before we pass it to\nzlib_deflate_workspacesize(), which triggers BUG_ON() if winbits value is\noutside of valid ranges."
    }
  ],
  "lastModified": "2026-09-11T20:19:59.123",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}