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CVE-2022-50873

Estado: AplazadaSin puntuar—

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

vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove

In vp_vdpa_remove(), the code kfree(&vp_vdpa_mgtdev->mgtdev.id_table) uses a reference of pointer as the argument of kfree, which is the wrong pointer and then may hit crash like this:

Detalles técnicos trazas, registros y código del informe original
Unable to handle kernel paging request at virtual address 00ffff003363e30c
Internal error: Oops: 96000004 [#1] SMP
Call trace:
 rb_next+0x20/0x5c
 ext4_readdir+0x494/0x5c4 [ext4]
 iterate_dir+0x168/0x1b4
 __se_sys_getdents64+0x68/0x170
 __arm64_sys_getdents64+0x24/0x30
 el0_svc_common.constprop.0+0x7c/0x1bc
 do_el0_svc+0x2c/0x94
 el0_svc+0x20/0x30
 el0_sync_handler+0xb0/0xb4
 el0_sync+0x160/0x180
Code: 54000220 f9400441 b4000161 aa0103e0 (f9400821)
SMP: stopping secondary CPUs
Starting crashdump kernel...

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-2022-50873",
  "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": "ffbda8e9df10d1784d5427ec199e7d8308e3763f",
              "lessThan": "8fe12680b2c731201519935013ec9219c93ec540",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ffbda8e9df10d1784d5427ec199e7d8308e3763f",
              "lessThan": "6ccc891f36d0c20ee220551caabdcd3886ec584b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ffbda8e9df10d1784d5427ec199e7d8308e3763f",
              "lessThan": "ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/vdpa/virtio_pci/vp_vdpa.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.19",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.0.19",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.5",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/vdpa/virtio_pci/vp_vdpa.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-30T13:16:02.263",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/6ccc891f36d0c20ee220551caabdcd3886ec584b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8fe12680b2c731201519935013ec9219c93ec540",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ed843d6ed7310a27cf7c8ee0a82a482eed0cb4a6",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove\n\nIn vp_vdpa_remove(), the code kfree(&vp_vdpa_mgtdev->mgtdev.id_table) uses\na reference of pointer as the argument of kfree, which is the wrong pointer\nand then may hit crash like this:\n\nUnable to handle kernel paging request at virtual address 00ffff003363e30c\nInternal error: Oops: 96000004 [#1] SMP\nCall trace:\n rb_next+0x20/0x5c\n ext4_readdir+0x494/0x5c4 [ext4]\n iterate_dir+0x168/0x1b4\n __se_sys_getdents64+0x68/0x170\n __arm64_sys_getdents64+0x24/0x30\n el0_svc_common.constprop.0+0x7c/0x1bc\n do_el0_svc+0x2c/0x94\n el0_svc+0x20/0x30\n el0_sync_handler+0xb0/0xb4\n el0_sync+0x160/0x180\nCode: 54000220 f9400441 b4000161 aa0103e0 (f9400821)\nSMP: stopping secondary CPUs\nStarting crashdump kernel..."
    }
  ],
  "lastModified": "2026-06-17T05:24:19.933",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}