{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "32e4978bb920d047fe5de3ea42d176f267c01f63"
            },
            {
              "fixed": "81d3688c9a2158329391e08f2d0b8ba204216044"
            },
            {
              "fixed": "74b5a88318db97d51bb40f774736553c2acd1514"
            },
            {
              "fixed": "cb5c743936edcebc51880eeb6bf04979b5c9438b"
            },
            {
              "fixed": "83c27fdd696ac13d023ef7a0345301be93209c53"
            },
            {
              "fixed": "4b6fb0b6124f558131e502e3ffd03e6583b3ace6"
            },
            {
              "fixed": "8796910131a32ff29275052df768ef022929a394"
            },
            {
              "fixed": "8005843369723d9c8975b7c4202d1b85d6125302"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.12.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45902.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq256xx: Fix use-after-free in power_supply_changed()\n\nUsing the `devm_` variant for requesting IRQ _before_ the `devm_`\nvariant for allocating/registering the `power_supply` handle, means that\nthe `power_supply` handle will be deallocated/unregistered _before_ the\ninterrupt handler (since `devm_` naturally deallocates in reverse\nallocation order). This means that during removal, there is a race\ncondition where an interrupt can fire just _after_ the `power_supply`\nhandle has been freed, *but* just _before_ the corresponding\nunregistration of the IRQ handler has run.\n\nThis will lead to the IRQ handler calling `power_supply_changed()` with\na freed `power_supply` handle. Which usually crashes the system or\notherwise silently corrupts the memory...\n\nNote that there is a similar situation which can also happen during\n`probe()`; the possibility of an interrupt firing _before_ registering\nthe `power_supply` handle. This would then lead to the nasty situation\nof using the `power_supply` handle *uninitialized* in\n`power_supply_changed()`.\n\nFix this racy use-after-free by making sure the IRQ is requested _after_\nthe registration of the `power_supply` handle.",
  "id": "CVE-2026-45902",
  "modified": "2026-07-08T05:39:21.498233982Z",
  "published": "2026-05-27T12:17:10.508Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b6fb0b6124f558131e502e3ffd03e6583b3ace6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74b5a88318db97d51bb40f774736553c2acd1514"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8005843369723d9c8975b7c4202d1b85d6125302"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/81d3688c9a2158329391e08f2d0b8ba204216044"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/83c27fdd696ac13d023ef7a0345301be93209c53"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8796910131a32ff29275052df768ef022929a394"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb5c743936edcebc51880eeb6bf04979b5c9438b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45902.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45902"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "power: supply: bq256xx: Fix use-after-free in power_supply_changed()"
}