{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-38321",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-38321"
  ],
  "published": "2025-07-10T08:18:24Z",
  "summary": "smb: Log an error when close_all_cached_dirs fails",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: Log an error when close_all_cached_dirs fails\n\nUnder low-memory conditions, close_all_cached_dirs() can't move the\ndentries to a separate list to dput() them once the locks are dropped.\nThis will result in a \"Dentry still in use\" error, so add an error\nmessage that makes it clear this is what happened:\n\n[  495.281119] CIFS: VFS: \\\\otters.example.com\\share Out of memory while dropping dentries\n[  495.281595] ------------[ cut here ]------------\n[  495.281887] BUG: Dentry ffff888115531138{i=78,n=/}  still in use (2) [unmount of cifs cifs]\n[  495.282391] WARNING: CPU: 1 PID: 2329 at fs/dcache.c:1536 umount_check+0xc8/0xf0\n\nAlso, bail out of looping through all tcons as soon as a single\nallocation fails, since we're already in trouble, and kmalloc() attempts\nfor subseqeuent tcons are likely to fail just like the first one did.",
  "affected": [
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        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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        "1:6.12.25-1+rpt1",
        "1:6.12.34-1+rpt1~bookworm"
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            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
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            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
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            "binary_version": "1:6.6.74-1+rpt1"
          },
          {
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            "binary_version": "1:6.6.74-1+rpt1"
          },
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          },
          {
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          },
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
          },
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            "binary_version": "1:6.12.20-1+rpt1~bpo12+1"
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            "binary_version": "1:6.12.25-1+rpt1"
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          {
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            "binary_version": "1:6.12.25-1+rpt1"
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          },
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            "binary_version": "1:6.12.34-1+rpt1~bookworm"
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      "database_specific": {
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.6.95"
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            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.12.35"
          },
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            "linux_commit": "3dd2c2c507c271d411fab2e82a2b3b7e0b6d3f16",
            "upstream_version": "6.12.25",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.12.35"
          },
          "1:6.12.34-1+rpt1~bookworm": {
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            "assessment": "commit ancestry (strak rule)",
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          }
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      }
    },
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:13",
        "name": "linux"
      },
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        "1:6.12.19-1+rpt1",
        "1:6.12.20-1+rpt1",
        "1:6.12.25-1+rpt1+trixie",
        "1:6.12.34-1+rpt1"
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-38321"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b8ced2b9a23a1a2c1e0ed8d0d02512e51bdf38da"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/43f26094d6702e494e800532c3f1606e7a68eb30"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4479db143390bdcadc1561292aab579cdfa9f6c6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a2182743a8b4969481f64aec4908ff162e8a206c"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}