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CVE-2026-68435 LoongArch: Fix address space mismatch in kexec command line lookup

🗓️ 12 Aug 2026 00:07:23Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

LoongArch dereferences a user-space pointer in kernel context during kexec_load, risking crashes or memory corruption.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-68435
12 Aug 202600:07
cve
euvd
EUVD
EUVD-2026-57043
12 Aug 202600:31
euvd
nvd
NVD
CVE-2026-68435
12 Aug 202600:17
nvd
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/loongarch/kernel/machine_kexec.c"
    ],
    "versions": [
      {
        "version": "4a03b2ac06a5bcae29371866d9d11f5bfd4c9188",
        "lessThan": "a94d6726ec8680a2b0c453fc782a543f68a1ea06",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4a03b2ac06a5bcae29371866d9d11f5bfd4c9188",
        "lessThan": "7a54e0cbaad4a5a09e7cc7a4f05d181048e98ca7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4a03b2ac06a5bcae29371866d9d11f5bfd4c9188",
        "lessThan": "485ed44db5694d8d2e5027f63ad608e705286f30",
        "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/loongarch/kernel/machine_kexec.c"
    ],
    "versions": [
      {
        "version": "6.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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