{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/crypto.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8c9af7339de419819cfc641d551675d38ff99abf",
              "status": "affected",
              "version": "bb80f7618832d26f7e395f52f82b1dac76223e5f",
              "versionType": "git"
            },
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              "lessThan": "e258ed369c9e04caa7d2fd49785d753ae4034cb6",
              "status": "affected",
              "version": "101841c38346f4ca41dc1802c867da990ffb32eb",
              "versionType": "git"
            },
            {
              "lessThan": "bc8dedae022ce3058659c3addef3ec4b41d15e00",
              "status": "affected",
              "version": "101841c38346f4ca41dc1802c867da990ffb32eb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3145b2b11492d61c512bbc59660bb823bc757f48",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "493479af8af3ab907f49e99323777d498a4fbd2b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/crypto.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.70",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.70",
                  "versionStartIncluding": "6.12.42",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.10",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.15.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.16.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix oops due to invalid pointer for kfree() in parse_longname()\n\nThis fixes a kernel oops when reading ceph snapshot directories (.snap),\nfor example by simply running `ls /mnt/my_ceph/.snap`.\n\nThe variable str is guarded by __free(kfree), but advanced by one for\nskipping the initial \u0027_\u0027 in snapshot names. Thus, kfree() is called\nwith an invalid pointer.  This patch removes the need for advancing the\npointer so kfree() is called with correct memory pointer.\n\nSteps to reproduce:\n\n1. Create snapshots on a cephfs volume (I\u0027ve 63 snaps in my testcase)\n\n2. Add cephfs mount to fstab\n$ echo \"samba-fileserver@.files=/volumes/datapool/stuff/3461082b-ecc9-4e82-8549-3fd2590d3fb6      /mnt/test/stuff   ceph     acl,noatime,_netdev    0       0\" \u003e\u003e /etc/fstab\n\n3. Reboot the system\n$ systemctl reboot\n\n4. Check if it\u0027s really mounted\n$ mount | grep stuff\n\n5. List snapshots (expected 63 snapshots on my system)\n$ ls /mnt/test/stuff/.snap\n\nNow ls hangs forever and the kernel log shows the oops."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-14T16:27:25.693Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8c9af7339de419819cfc641d551675d38ff99abf"
        },
        {
          "url": "https://git.kernel.org/stable/c/e258ed369c9e04caa7d2fd49785d753ae4034cb6"
        },
        {
          "url": "https://git.kernel.org/stable/c/bc8dedae022ce3058659c3addef3ec4b41d15e00"
        }
      ],
      "title": "ceph: fix oops due to invalid pointer for kfree() in parse_longname()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23201",
    "datePublished": "2026-02-14T16:27:25.693Z",
    "dateReserved": "2026-01-13T15:37:45.986Z",
    "dateUpdated": "2026-02-14T16:27:25.693Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23201\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-02-14T17:15:57.950\",\"lastModified\":\"2026-02-14T17:15:57.950\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nceph: fix oops due to invalid pointer for kfree() in parse_longname()\\n\\nThis fixes a kernel oops when reading ceph snapshot directories (.snap),\\nfor example by simply running `ls /mnt/my_ceph/.snap`.\\n\\nThe variable str is guarded by __free(kfree), but advanced by one for\\nskipping the initial \u0027_\u0027 in snapshot names. Thus, kfree() is called\\nwith an invalid pointer.  This patch removes the need for advancing the\\npointer so kfree() is called with correct memory pointer.\\n\\nSteps to reproduce:\\n\\n1. Create snapshots on a cephfs volume (I\u0027ve 63 snaps in my testcase)\\n\\n2. Add cephfs mount to fstab\\n$ echo \\\"samba-fileserver@.files=/volumes/datapool/stuff/3461082b-ecc9-4e82-8549-3fd2590d3fb6      /mnt/test/stuff   ceph     acl,noatime,_netdev    0       0\\\" \u003e\u003e /etc/fstab\\n\\n3. Reboot the system\\n$ systemctl reboot\\n\\n4. Check if it\u0027s really mounted\\n$ mount | grep stuff\\n\\n5. List snapshots (expected 63 snapshots on my system)\\n$ ls /mnt/test/stuff/.snap\\n\\nNow ls hangs forever and the kernel log shows the oops.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/8c9af7339de419819cfc641d551675d38ff99abf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bc8dedae022ce3058659c3addef3ec4b41d15e00\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e258ed369c9e04caa7d2fd49785d753ae4034cb6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}