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CVE-2026-31600 arm64: mm: Handle invalid large leaf mappings correctly

🗓️ 24 Apr 2026 14:42:24Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Arm64 mm fixes invalid large leaf mappings to prevent kernel panic when clearing PTE_VALID.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-31600
24 Apr 202614:42
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1693)
9 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-31600
27 Apr 202600:00
nessus
Amazon
Important: kernel6.18
9 May 202600:00
amazon
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
CBLMariner
CVE-2026-31600 affecting package kernel for versions less than 6.6.134.1-2
3 May 202620:52
cbl_mariner
Chainguard
CVE-2026-31600 vulnerabilities
16 May 202601:18
cgr
CNNVD
Linux kernel 安全漏洞
24 Apr 202600:00
cnnvd
CVE
CVE-2026-31600
24 Apr 202614:42
cve
Debian CVE
CVE-2026-31600
24 Apr 202614:42
debiancve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/include/asm/pgtable-prot.h",
      "arch/arm64/include/asm/pgtable.h",
      "arch/arm64/mm/mmu.c",
      "arch/arm64/mm/pageattr.c",
      "arch/arm64/mm/trans_pgd.c"
    ],
    "versions": [
      {
        "version": "a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8",
        "lessThan": "8140b21d19015227a28c255404462f2d3e6edc9a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8",
        "lessThan": "747b6482e4e227fd351197dde6f64a97107a9e52",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8",
        "lessThan": "cbea627ea634f41c79d18f0c6d20db66fa93514c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8",
        "lessThan": "15bfba1ad77fad8e45a37aae54b3c813b33fe27c",
        "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/arm64/include/asm/pgtable-prot.h",
      "arch/arm64/include/asm/pgtable.h",
      "arch/arm64/mm/mmu.c",
      "arch/arm64/mm/pageattr.c",
      "arch/arm64/mm/trans_pgd.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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