{
  "cveId": "CVE-2026-90420",
  "url": "https://patchblox.com/security/cve/CVE-2026-90420",
  "summary": "CVE-2026-90420 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-90420, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  nilfs2: fix infinite loop in nilfs_clean_segment...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  nilfs2: fix infinite loop in nilfs_clean_segments()  syzbot reported a hung task in nilfs_transaction_begin(). This occurs because the cleaner ioctl falls into an infinite loop if nilfs_segctor_construct() repeatedly returns -EROFS (e.g. the device is remounted as read-only after an I/O error).  Currently in nilfs_clean_segments(), if err is non-zero, it logs the error and sleeps but doesn\u0027t abort when it encounters a terminal error like -EROFS. This causes the thread to loop forever.  Fix this by breaking out of the loop if nilfs_segctor_construct() returns -EROFS. This matches the behaviour in nilfs_segctor_write_out(), which also handles -EROFS.",
  "published": "2026-09-17T17:17:46Z",
  "severity": "",
  "epss": 0.0022,
  "epssPercentile": 0.12556,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.190-1",
      "fix": "DEBIAN-CVE-2026-90420",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90420",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.111-1",
      "fix": "DEBIAN-CVE-2026-90420",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90420",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.2.6-1",
      "fix": "DEBIAN-CVE-2026-90420",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90420",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux-6.12",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.12.111-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-90420",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90420",
      "released": "2026-09-23T19:19:02Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}