FKIE_CVE-2022-50512

Vulnerability from fkie_nvd - Published: 2025-10-07 16:15 - Updated: 2025-10-08 19:38
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4_fc_record_regions() As krealloc may return NULL, in this case 'state->fc_regions' may not be freed by krealloc, but 'state->fc_regions' already set NULL. Then will lead to 'state->fc_regions' memory leak.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e
Impacted products
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix potential memory leak in ext4_fc_record_regions()\n\nAs krealloc may return NULL, in this case \u0027state-\u003efc_regions\u0027 may not be\nfreed by krealloc, but \u0027state-\u003efc_regions\u0027 already set NULL. Then will\nlead to \u0027state-\u003efc_regions\u0027 memory leak."
    }
  ],
  "id": "CVE-2022-50512",
  "lastModified": "2025-10-08T19:38:32.610",
  "metrics": {},
  "published": "2025-10-07T16:15:34.473",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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