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CVE
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CVE-2018-16862Date: (C)2018-12-05   (M)2024-03-26


A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 2.1
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
BID-106009
USN-3879-1
USN-3879-2
USN-4094-1
USN-4118-1
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://seclists.org/oss-sec/2018/q4/169
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16862
https://lore.kernel.org/patchwork/patch/1011367/

CPE    5
cpe:/o:debian:debian_linux:8.0
cpe:/o:redhat:enterprise_linux:7.0
cpe:/o:linux:linux_kernel
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
...
CWE    1
CWE-200
OVAL    26
oval:org.secpod.oval:def:705155
oval:org.secpod.oval:def:58867
oval:org.secpod.oval:def:705111
oval:org.secpod.oval:def:58363
...

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