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CVE
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CVE-2017-2647Date: (C)2017-04-01   (M)2024-02-22


The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 7.2
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 5.9Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: COMPLETE
Scope: UNCHANGEDIntegrity: COMPLETE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-97258
RHSA-2017:1842
RHSA-2017:2077
RHSA-2017:2437
RHSA-2017:2444
USN-3849-1
USN-3849-2
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81
https://bugzilla.redhat.com/show_bug.cgi?id=1428353
https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81

CWE    1
CWE-476
OVAL    15
oval:org.secpod.oval:def:89044669
oval:org.secpod.oval:def:1501861
oval:org.secpod.oval:def:1501864
oval:org.secpod.oval:def:1503021
...

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