CVE-2026-89851 (GCVE-0-2026-89851)
Vulnerability from cvelistv5
Published
2026-09-16 10:31
Modified
2026-10-19 08:53
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix FCE trace enable parsing in debugfs qla2x00_dfs_fce_write() called kstrtoul() with a NULL result pointer, so a successful parse would dereference NULL and oops. Worse, the int return value (0 on success, negative errno on failure) was assigned to the unsigned long enable flag, inverting the intended logic: a valid number was treated as "disable" while a parse failure enabled FCE. Parse the value into enable and propagate parse errors to userspace.
References
Impacted products
Vendor Product Version
Linux Linux Version: 3a5a789494875376d1f8063ec5ecc6beafda2ce1
Version: 73d3d3c66f108bc47922490f8500842530139975
Version: 57c029cab0d908942e3ed9ff9fd0361144d01944
Version: 217230bc8796a922d5b15a9a94ec4414b2d2b3e3
Version: 2cf3c3fe9a11aa168e80c966494c58548b9aed5d
Version: 841df27d619ee1f5ca6473e15227b39d6136562d
Version: 841df27d619ee1f5ca6473e15227b39d6136562d
Version: 841df27d619ee1f5ca6473e15227b39d6136562d
Version: a89872a61b914378591f16e428dd221c5e2059b2
Version: 5.10.235   ≤
Version: 5.15.179   ≤
Version: 6.1.129   ≤
Version: 6.6.78   ≤
Version: 6.12.14   ≤
Version: 6.13.3   ≤
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace enable parsing in debugfs\n\nqla2x00_dfs_fce_write() called kstrtoul() with a NULL result pointer,\nso a successful parse would dereference NULL and oops. Worse, the int\nreturn value (0 on success, negative errno on failure) was assigned to\nthe unsigned long enable flag, inverting the intended logic: a valid\nnumber was treated as \"disable\" while a parse failure enabled FCE.\n\nParse the value into enable and propagate parse errors to userspace."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T08:53:44.152Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        {
          "url": "https://git.kernel.org/stable/c/b0c08c08a08b6cca0e7e192bcbe0514e41fcc55f"
        },
        {
          "url": "https://git.kernel.org/stable/c/9932cbd0b49d0a5ab8378d32650ffb51604ffa35"
        },
        {
          "url": "https://git.kernel.org/stable/c/f5e245164d187d1ee227140c8b2e83b67f59c1fd"
        },
        {
          "url": "https://git.kernel.org/stable/c/5762d992dddaf301e7fb78f797de407116847121"
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        {
          "url": "https://git.kernel.org/stable/c/eff41f50461c238bd2c5cd20672a5b53e68d493a"
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          "url": "https://git.kernel.org/stable/c/aac0d3cb9199121d2ce5906e06f94b793fac1052"
        },
        {
          "url": "https://git.kernel.org/stable/c/b7368687e3d11f51392d3c4774ec0263d5fbf31f"
        }
      ],
      "title": "scsi: qla2xxx: Fix FCE trace enable parsing in debugfs",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-89851",
    "datePublished": "2026-09-16T10:31:25.069Z",
    "dateReserved": "2026-09-11T19:38:34.770Z",
    "dateUpdated": "2026-10-19T08:53:44.152Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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