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CVE-2021-47640

🗓️ 26 Feb 2025 01:54:12Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 75 Views

Fixed vulnerability in Linux kernel's powerpc/kasan affecting early region updates and page table.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-47640
26 Feb 202506:37
attackerkb
AstraLinux
Astra Linux - уязвимость в linux-5.10, linux-5.15, linux
3 May 202623:59
astralinux
CNNVD
Linux kernel 安全漏洞
26 Feb 202500:00
cnnvd
Cvelist
CVE-2021-47640 powerpc/kasan: Fix early region not updated correctly
26 Feb 202501:54
cvelist
Debian CVE
CVE-2021-47640
26 Feb 202501:54
debiancve
EUVD
EUVD-2021-34664
3 Oct 202520:07
euvd
NVD
CVE-2021-47640
26 Feb 202506:37
nvd
OSV
DEBIAN-CVE-2021-47640
26 Feb 202506:37
osv
OSV
UBUNTU-CVE-2021-47640
26 Feb 202506:37
osv
Tenable Nessus
Photon OS 4.0: Linux PHSA-2021-4.0-0065
22 Jul 202100:00
nessus
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.45.4.189
OR
linuxlinux_kernelRange5.55.10.110
OR
linuxlinux_kernelRange5.115.15.33
OR
linuxlinux_kernelRange5.165.16.19
OR
linuxlinux_kernelRange5.175.17.2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/mm/kasan/kasan_init_32.c"
    ],
    "versions": [
      {
        "version": "cbd18991e24fea2c31da3bb117c83e4a3538cd11",
        "lessThan": "7f19245c3647afea8c7c41f795506ef70f64b9f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cbd18991e24fea2c31da3bb117c83e4a3538cd11",
        "lessThan": "f39a3309393a4a484532f6ba745c6acbcfe06115",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cbd18991e24fea2c31da3bb117c83e4a3538cd11",
        "lessThan": "5a3d8f3192a409893c57808cc935e16484df1068",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cbd18991e24fea2c31da3bb117c83e4a3538cd11",
        "lessThan": "de56beace6648065d404cd9835aa7d30e3df519d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cbd18991e24fea2c31da3bb117c83e4a3538cd11",
        "lessThan": "e3d157a4b4f4e0268c98be5b7013bf4b31234bb6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cbd18991e24fea2c31da3bb117c83e4a3538cd11",
        "lessThan": "dd75080aa8409ce10d50fb58981c6b59bf8707d3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3822dd8c102d11ada9d9ed8e04cad0b347a04689",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.3.6",
        "lessThan": "5.4",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/mm/kasan/kasan_init_32.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.189",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.110",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.33",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16.19",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.2",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 15:20Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.8
EPSS0.00019
SSVC
75