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CVE
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CVE-2020-35513Date: (C)2021-01-27   (M)2024-02-22


A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 4.9CVSS Score : 4.0
Exploit Score: 1.2Exploit Score: 8.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: HIGHAuthentication: SINGLE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
https://bugzilla.redhat.com/show_bug.cgi?id=1911309
https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/

CPE    1
cpe:/o:redhat:enterprise_linux:7.0
CWE    1
CWE-271
OVAL    2
oval:org.secpod.oval:def:505784
oval:org.secpod.oval:def:1504615

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