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CVE-2026-80564

Estado: RecibidaSin puntuar—

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

gve: fix NULL dereference due to missing ptp adjfine

Fix NULL dereference due to missing implementation of adjfine, which can be triggered from usermode as follows:

Detalles técnicos trazas, registros y código del informe original
sudo ./testptp -d /dev/ptp0 -f 0
[  551.943697] BUG: kernel NULL pointer dereference, address: 0000000000000000
[...]
[  552.061946] Call Trace:
[  552.064487]  <TASK>
[  552.066681]  ptp_clock_adjtime+0x1c0/0x2c0
[  552.070874]  ? get_clock_desc+0x6b/0xb0
[  552.074825]  pc_clock_adjtime+0x78/0xc0
[  552.078755]  __do_sys_clock_adjtime+0x85/0x110
[  552.083293]  do_syscall_64+0xea/0x610

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-2026-80564",
  "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": "acd16380523b400400523fe54c7499320e558e80",
              "lessThan": "e9482feeed66d4bc805458631013e9b61b1a9eaf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "acd16380523b400400523fe54c7499320e558e80",
              "lessThan": "fa9b991bf678dd412dc0ed080672d34d7558d7af",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "acd16380523b400400523fe54c7499320e558e80",
              "lessThan": "3992ced109c70b771efad9e51ae68e5c7a04dea3",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_ptp.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.17",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.18.46",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.10",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_ptp.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-26T15:17:11.433",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/3992ced109c70b771efad9e51ae68e5c7a04dea3",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e9482feeed66d4bc805458631013e9b61b1a9eaf",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fa9b991bf678dd412dc0ed080672d34d7558d7af",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngve: fix NULL dereference due to missing ptp adjfine\n\nFix NULL dereference due to missing implementation of adjfine, which can\nbe triggered from usermode as follows:\n\nsudo ./testptp -d /dev/ptp0 -f 0\n[  551.943697] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[...]\n[  552.061946] Call Trace:\n[  552.064487]  <TASK>\n[  552.066681]  ptp_clock_adjtime+0x1c0/0x2c0\n[  552.070874]  ? get_clock_desc+0x6b/0xb0\n[  552.074825]  pc_clock_adjtime+0x78/0xc0\n[  552.078755]  __do_sys_clock_adjtime+0x85/0x110\n[  552.083293]  do_syscall_64+0xea/0x610"
    }
  ],
  "lastModified": "2026-08-26T15:17:11.433",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}