CVE-2026-53282 x86/kexec: Push kjump return address even for non-kjump kexec

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/relocate_kernel_64.S"
    ],
    "versions": [
      {
        "version": "2cacf7f23a024ab1fdc603ca6a4f4c8b2de9f64e",
        "lessThan": "b0bd7a850e1f082560959707dbf57b0402071646",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2cacf7f23a024ab1fdc603ca6a4f4c8b2de9f64e",
        "lessThan": "7dba9631faa2ee0785e8c2bf0e3d90a05f26dd8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2cacf7f23a024ab1fdc603ca6a4f4c8b2de9f64e",
        "lessThan": "786a45757dcdf8f2beb9d4a6db605db16c18b2b4",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/relocate_kernel_64.S"
    ],
    "versions": [
      {
        "version": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]