{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354"
            },
            {
              "fixed": "fb736d733b0a60377cf53010571c261886446fd5"
            },
            {
              "fixed": "537e11a1700f64dc6754108f0e1333ad63d4f548"
            },
            {
              "fixed": "fdf7358e2688f12eff41290bc45030b7aff0845e"
            },
            {
              "fixed": "ec65631bd5ec251cdf67a4919fac7a3149a6e235"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.11.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90085.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: fix NULL deref in NIX TM tree debugfs read path\n\nrvu_dbg_nix_tm_tree_display() dereferences pfvf-\u003esq_ctx without\nchecking whether the SQ context has been allocated. Reading\n/sys/kernel/debug/octeontx2/nix/tm_tree for a NIX LF whose transmit\nqueues are not set up triggers a kernel oops.\n\nGuard the read path the same way rvu_dbg_nix_tm_tree_write() already\ndoes and return -EINVAL with a seq_file message when sq_ctx is NULL.",
  "id": "CVE-2026-90085",
  "modified": "2026-09-18T03:30:22.966758867Z",
  "published": "2026-09-17T16:06:01.525Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/537e11a1700f64dc6754108f0e1333ad63d4f548"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec65631bd5ec251cdf67a4919fac7a3149a6e235"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb736d733b0a60377cf53010571c261886446fd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fdf7358e2688f12eff41290bc45030b7aff0845e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90085.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90085"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "octeontx2-af: fix NULL deref in NIX TM tree debugfs read path"
}