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CVE
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CVE-2017-14954Date: (C)2017-10-04   (M)2018-02-19


The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass the KASLR protection mechanism, via a crafted system call.

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:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c
https://twitter.com/_argp/status/914021130712870912
https://twitter.com/grsecurity/status/914079864478666753

CWE    1
CWE-200
OVAL    2
oval:org.secpod.oval:def:113294
oval:org.secpod.oval:def:703895

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