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CVE-2026-23416

🗓️ 02 Apr 2026 11:40:57Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 102 Views🌐 WEB

CVE-2026-23416 mm/mseal fixes VMA end on merge by always using vma_end and clamping to VMAs and input range.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.17.1–6.18.21
linuxlinux_kernelRange6.19–6.19.11
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/mseal.c"
    ],
    "versions": [
      {
        "version": "6c2da14ae1e0a0146587381594559027bd46c059",
        "lessThan": "40b3f4700e5535fbe74738cebb9379a40ec66bed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6c2da14ae1e0a0146587381594559027bd46c059",
        "lessThan": "83737e34b83a23b2a9bcf586b058b2c2a54c7c6b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6c2da14ae1e0a0146587381594559027bd46c059",
        "lessThan": "2697dd8ae721db4f6a53d4f4cbd438212a80f8dc",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/mseal.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
start of mseal rangepathmm/vma.cCVE-2026-23416: Kernel vulnerability where mseal(2) can cause an invariant violation in vma_merge_existing_range when a range spans two adjacent VMAs with different VM_SEALED states; fix clamps inputs and updates curr_end to vma->vm_end to prevent stale values.
range endpathmm/vma.cCVE-2026-23416: Kernel vulnerability where mseal(2) can cause an invariant violation in vma_merge_existing_range when a range spans two adjacent VMAs with different VM_SEALED states; fix clamps inputs and updates curr_end to vma->vm_end to prevent stale values.
vm_startpathmm/vma.cCVE-2026-23416: Kernel vulnerability where mseal(2) can cause an invariant violation in vma_merge_existing_range when a range spans two adjacent VMAs with different VM_SEALED states; fix clamps inputs and updates curr_end to vma->vm_end to prevent stale values.
vm_endpathmm/vma.cCVE-2026-23416: Kernel vulnerability where mseal(2) can cause an invariant violation in vma_merge_existing_range when a range spans two adjacent VMAs with different VM_SEALED states; fix clamps inputs and updates curr_end to vma->vm_end to prevent stale values.
VM_SEALED flagpathmm/vma.cCVE-2026-23416: Kernel vulnerability where mseal(2) can cause an invariant violation in vma_merge_existing_range when a range spans two adjacent VMAs with different VM_SEALED states; fix clamps inputs and updates curr_end to vma->vm_end to prevent stale values.

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17 Jun 2026 10:21Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
EPSS0.00218
102