{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d5c65159f2895379e11ca13f62feabe93278985d"
            },
            {
              "fixed": "e569a5cb401a267168621aa9a1e7f07fcc9612c3"
            },
            {
              "fixed": "0aa097a370277deab5337030b9e2d395742f469c"
            },
            {
              "fixed": "0a946abb82f29abe9a15173b707a449cb039b43e"
            },
            {
              "fixed": "318703b6f71d1a29ee0ac46c32a38f7734d4cfb2"
            },
            {
              "fixed": "7b2e62b9080bf4a5f4e70cfe47156df8d93a4f13"
            },
            {
              "fixed": "40aa3c2b0cb8e34e0576fc94cc70e4e33db03c0a"
            },
            {
              "fixed": "051f954b94479d72222c9fbc82a3eef4777bca01"
            },
            {
              "fixed": "8b7a26b6681922a38cd5a7829ace61f8e54df9b7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.6.0"
            },
            {
              "fixed": "5.10.260"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.211"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.177"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.144"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.95"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.38"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63822.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix warning when unbinding\n\nIf there is an error during some initialization related to firmware,\nthe buffers dp-\u003etx_ring[i].tx_status are released.\nHowever this is released again when the device is unbinded (ath11k_pci),\nand we get:\nWARNING: CPU: 0 PID: 6231 at mm/slub.c:4368 free_large_kmalloc+0x57/0x90\nCall Trace:\nfree_large_kmalloc\nath11k_dp_free\nath11k_core_deinit\nath11k_pci_remove\n...\n\nThe issue is always reproducible from a VM because the MSI addressing\ninitialization is failing.\n\nIn order to fix the issue, just set the buffers to NULL after releasing in\norder to avoid the double free.",
  "id": "CVE-2026-63822",
  "modified": "2026-07-21T03:41:44.000658967Z",
  "published": "2026-07-19T12:02:19.286Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/051f954b94479d72222c9fbc82a3eef4777bca01"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a946abb82f29abe9a15173b707a449cb039b43e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0aa097a370277deab5337030b9e2d395742f469c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/318703b6f71d1a29ee0ac46c32a38f7734d4cfb2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/40aa3c2b0cb8e34e0576fc94cc70e4e33db03c0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7b2e62b9080bf4a5f4e70cfe47156df8d93a4f13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b7a26b6681922a38cd5a7829ace61f8e54df9b7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e569a5cb401a267168621aa9a1e7f07fcc9612c3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63822.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63822"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "wifi: ath11k: fix warning when unbinding"
}