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CVE-2019-15793

🗓️ 23 Apr 2020 23:55:24Reported by canonicalType 
cve
 cve
🔗 web.nvd.nist.gov👁 111 Views🌐 WEB

In shiftfs, a non-upstream patch to the Linux kernel in Ubuntu 5.0 and 5.3 kernel series, translates user/group ids incorrectly, potentially bypassing access control

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[
  {
    "product": "Shiftfs in the Linux kernel",
    "vendor": "Ubuntu",
    "versions": [
      {
        "changes": [
          {
            "at": "5.3.0-22.24",
            "status": "unaffected"
          }
        ],
        "lessThan": "5.3 kernel*",
        "status": "affected",
        "version": "5.3.0-11.12",
        "versionType": "custom"
      },
      {
        "lessThan": "5.0.0-35.38",
        "status": "affected",
        "version": "5.0 kernel",
        "versionType": "custom"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
foopathmnt/shiftfsKernel shiftfs memory-safety bugs (reference-count underflow and type confusion) exposed via mmap usage in the PoC; can be triggered by mounting shiftfs and performing mmap on a lower file descriptor opened inside the shiftfs mount, enabling potential privilege/permission bypass or memory corruption.CWE-538CWE-276
rootpathmnt/shiftfsKernel shiftfs memory-safety bugs (reference-count underflow and type confusion) exposed via mmap usage in the PoC; can be triggered by mounting shiftfs and performing mmap on a lower file descriptor opened inside the shiftfs mount, enabling potential privilege/permission bypass or memory corruption.CWE-538CWE-276
foofdpathmnt/shiftfsKernel shiftfs memory-safety bugs (reference-count underflow and type confusion) exposed via mmap usage in the PoC; can be triggered by mounting shiftfs and performing mmap on a lower file descriptor opened inside the shiftfs mount, enabling potential privilege/permission bypass or memory corruption.CWE-538CWE-276
iocarg.fdpathmnt/shiftfsKernel shiftfs memory-safety bugs (reference-count underflow and type confusion) exposed via mmap usage in the PoC; can be triggered by mounting shiftfs and performing mmap on a lower file descriptor opened inside the shiftfs mount, enabling potential privilege/permission bypass or memory corruption.CWE-538CWE-276

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21 Nov 2024 04:29Current
7.2High risk
Vulners AI Score7.2
CVSS 24.6
CVSS 3.16.5 - 8.8
EPSS0.00034
111