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CVE-2025-31133

🗓️ 06 Nov 2025 18:47:47Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 16 Media mentions👁 119 Views🌐 WEB

CVE-2025-31133: runc allows container escape via masked path due to bind-mount source not verified.

Related
Detection
Affected
Refs
Paths
Social
NVD
Vulners
Node
OR
linuxfoundationruncRange1.3.01.3.3
OR
linuxfoundationruncMatch1.4.0rc1
OR
linuxfoundationruncMatch1.4.0rc2
[
  {
    "vendor": "opencontainers",
    "product": "runc",
    "versions": [
      {
        "version": "< 1.2.8",
        "status": "affected"
      },
      {
        "version": ">= 1.3.0-rc.1, < 1.3.3",
        "status": "affected"
      },
      {
        "version": ">= 1.4.0-rc.1, <= 1.4.0-rc.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
core_patternpath/proc/sys/kernel/core_patternExploit via writing to host core_pattern to invoke /bin/sh on the host using the maskedPaths race.CWE-61CWE-363
dev/nullpath/dev/nullRace to abuse /dev/null masking by manipulating the dev/null inode through a symlink race, enabling host impact.CWE-61CWE-363

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17 Jun 2026 09:09Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
CVSS 47.3
EPSS0.00673
SSVC
119