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CVE-2026-89568

🗓️ 11 Sep 2026 19:44:38Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views

Linux kernel kho_preserved_memory_reserve() 32-bit shift overflow for preservations over 2 GiB.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89568 kho: fix size calculation in kho_preserved_memory_reserve()
11 Sep 202619:44
–cvelist
debiancve
Debian CVE
CVE-2026-89568
11 Sep 202619:44
–debiancve
euvd
EUVD
EUVD-2026-76479
11 Sep 202619:44
–euvd
nvd
NVD
CVE-2026-89568
11 Sep 202620:19
–nvd
osv
OSV
BELL-CVE-2026-89568
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89568
11 Sep 202620:19
–osv
osv
OSV
UBUNTU-CVE-2026-89568
11 Sep 202620:19
–osv
ptsecurity
Positive Technologies
PT-2026-90284
11 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-89568: Undefined Security Weakness
11 Sep 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-89568
11 Sep 202622:28
–redhatcve
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.16–7.2.4
linuxlinux_kernelRange7.3.0–7.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/liveupdate/kexec_handover.c"
    ],
    "versions": [
      {
        "version": "fc33e4b44b2717feba2f6f07ce7943a96499c9ec",
        "lessThan": "42a6f03cf352eb6e6dbeef95e75e686f4cdb9bd1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fc33e4b44b2717feba2f6f07ce7943a96499c9ec",
        "lessThan": "3a0b8fa2eb36afc88b62a95f33f0c77c71fa5ded",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/liveupdate/kexec_handover.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 Sep 2026 20:19Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.00198
22