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CVE-2026-31398

🗓️ 03 Apr 2026 15:16:02Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 45 Views

Linux kernel fix: correct pte restoration for lazyfree folios during batch unmap, preserving writable and soft-dirty.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-31398
3 Apr 202615:16
–attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1596)
30 Apr 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-31398
7 Apr 202600:00
–nessus
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Linux MMU DoS
24 Apr 202600:00
–bdu_fstec
circl
Circl
CVE-2026-31398
3 Apr 202616:13
–circl
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
3 Apr 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-31398 mm/rmap: fix incorrect pte restoration for lazyfree folios
3 Apr 202615:16
–cvelist
debiancve
Debian CVE
CVE-2026-31398
3 Apr 202615:16
–debiancve
euvd
EUVD
EUVD-2026-18778
3 Apr 202618:31
–euvd
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.15–6.18.20
linuxlinux_kernelRange6.19–6.19.10
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/rmap.c"
    ],
    "versions": [
      {
        "version": "354dffd29575cdf13154e8fb787322354aa9efc4",
        "lessThan": "99888a4f340ca8e839a0524556bd4db76d63f4e0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "354dffd29575cdf13154e8fb787322354aa9efc4",
        "lessThan": "a0911ccdba41b0871abbf8412857bafedec3dbe1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "354dffd29575cdf13154e8fb787322354aa9efc4",
        "lessThan": "29f40594a28114b9a9bc87f6cf7bbee9609628f2",
        "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/rmap.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.20",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.10",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:22Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.8
EPSS0.00173
45