{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e5811b8c09df9bc80eabc95339fceded23f16289"
            },
            {
              "fixed": "1449177b87f768353909e930a99b902675119b2b"
            },
            {
              "fixed": "964b1c3eb71afe58bb61c8b984164447e000ae8a"
            },
            {
              "fixed": "59c5a3e69c7630a811565937e64be70b08436761"
            },
            {
              "fixed": "1a418ad0e5e525d1d117dd1601681f75455af320"
            },
            {
              "fixed": "08e57d014ea19f303d5d57a849beb846f37788b7"
            },
            {
              "fixed": "3884976f87448e269908ae61bd5d62d54ce9c0c7"
            },
            {
              "fixed": "580844a9683afe7974856dd5b7886447435b3474"
            },
            {
              "fixed": "d930276f2cddd0b7294cac7a8fe7b877f6d9e08d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.17.0"
            },
            {
              "fixed": "5.10.260"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.94"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.36"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53177.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix NULL pointer dereference\n\nPCIe errors detected by a Root Port or Downstream Port cause error\nrecovery services to run on all subordinate devices regardless of\nadministrative state.\n\nThe .error_detected() callback, bnxt_io_error_detected(), disables\nand synchronizes IRQs via bnxt_disable_int_sync(), which calls\nbnxt_cp_num_to_irq_num() to map completion rings to IRQs using\nbp-\u003ebnapi.\n\nSince bp-\u003ebnapi is allocated on NIC open and freed on NIC close, PCIe\nerror recovery on a closed NIC can dereference a NULL pointer.\n\nCheck if bp-\u003ebnapi is NULL before disabling and synchronizing IRQs.",
  "id": "CVE-2026-53177",
  "modified": "2026-07-15T01:49:21.229385531Z",
  "published": "2026-06-25T08:38:53.347Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/08e57d014ea19f303d5d57a849beb846f37788b7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1449177b87f768353909e930a99b902675119b2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a418ad0e5e525d1d117dd1601681f75455af320"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3884976f87448e269908ae61bd5d62d54ce9c0c7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/580844a9683afe7974856dd5b7886447435b3474"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/59c5a3e69c7630a811565937e64be70b08436761"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/964b1c3eb71afe58bb61c8b984164447e000ae8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d930276f2cddd0b7294cac7a8fe7b877f6d9e08d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53177.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53177"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "bnxt_en: Fix NULL pointer dereference"
}