{
  "cveId": "CVE-2026-43240",
  "url": "https://patchblox.com/security/cve/CVE-2026-43240",
  "summary": "CVE-2026-43240 is fixed in 82 products on 1 platform, first by ALAS2023-2026-1544, released April 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  x86/kexec: add a sanity check on previous kernel...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  x86/kexec: add a sanity check on previous kernel\u0027s ima kexec buffer  When the second-stage kernel is booted via kexec with a limiting command line such as \u0022mem=\u003Csize\u003E\u0022, the physical range that contains the carried over IMA measurement list may fall outside the truncated RAM leading to a kernel panic.      BUG: unable to handle page fault for address: ffff97793ff47000     RIP: ima_restore_measurement_list\u002B0xdc/0x45a     #PF: error_code(0x0000) \u2013 not-present page  Other architectures already validate the range with page_is_ram(), as done in commit cbf9c4b9617b (\u0022of: check previous kernel\u0027s ima-kexec-buffer against memory bounds\u0022) do a similar check on x86.  Without carrying the measurement list across kexec, the attestation would fail.",
  "published": "2026-04-07T09:00:00Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00123,
  "epssPercentile": 0.02052,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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      "fixedVersion": "1:6.1.166-197.305.amzn2023",
      "fix": "ALAS2023-2026-1544",
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      "released": "2026-04-07T09:00:00Z"
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      "fix": "ALAS2023-2026-1544",
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      "released": "2026-04-07T09:00:00Z"
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      "fix": "ALAS2023-2026-1543",
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      "released": "2026-04-07T09:00:00Z"
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      "fix": "ALAS2023-2026-1543",
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      "released": "2026-04-07T09:00:00Z"
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      "fix": "ALAS2023-2026-1702",
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      "fix": "ALAS2023-2026-1702",
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