{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "894c9ef9780c5cf2f143415e867ee39a33ecb75d"
            },
            {
              "fixed": "65dae8b34f0810f3fa9f77c4c63650cd20820693"
            },
            {
              "fixed": "a6d44f477000c6352de6b05e9e276e62083e5fbf"
            },
            {
              "fixed": "3e6c08dd97dcd22a00aee469e0adfa819071d80e"
            },
            {
              "fixed": "5a9f29a3e076b637d2234093e57989cf755ded5b"
            },
            {
              "fixed": "9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3"
            },
            {
              "fixed": "c8c4a2972f83c8b68ff03b43cecdb898939ff851"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2b1207801c393a5e9af2fbac2dd8b0377d8ae63a"
            },
            {
              "last_affected": "0685dfa0a2ff7635c0b64f7b7f0fafbf1c3e0c14"
            },
            {
              "last_affected": "3f4d3d010477365ee1aefedc3ad52563740b777e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.19.202"
            },
            {
              "fixed": "4.20"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.4.22"
            },
            {
              "fixed": "5.5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.5.6"
            },
            {
              "fixed": "5.6"
            }
          ],
          "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": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.141"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53314.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Put CPU offline callback in ONLINE section to allow failure\n\nsyzbot reported the following warning:\n\n    DEAD callback error for CPU1\n    WARNING: kernel/cpu.c:1463 at _cpu_down+0x759/0x1020 kernel/cpu.c:1463, CPU#0: syz.0.1960/14614\n\nat commit 4ae12d8bd9a8 (\"Merge tag 'kbuild-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux\")\nwhich tglx traced to padata_cpu_dead() given it's the only\nsub-CPUHP_TEARDOWN_CPU callback that returns an error.\n\nFailure isn't allowed in hotplug states before CPUHP_TEARDOWN_CPU\nso move the CPU offline callback to the ONLINE section where failure is\npossible.",
  "id": "CVE-2026-53314",
  "modified": "2026-07-08T05:36:39.846670412Z",
  "published": "2026-06-26T19:41:07.447Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e6c08dd97dcd22a00aee469e0adfa819071d80e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5a9f29a3e076b637d2234093e57989cf755ded5b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/65dae8b34f0810f3fa9f77c4c63650cd20820693"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a6d44f477000c6352de6b05e9e276e62083e5fbf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8c4a2972f83c8b68ff03b43cecdb898939ff851"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53314.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53314"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "padata: Put CPU offline callback in ONLINE section to allow failure"
}