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CVE
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CVE-2017-7187Date: (C)2017-03-23   (M)2018-05-06


The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write function.

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:
SECTRACK-1038086
BID-96989
RHSA-2017:1842
RHSA-2017:2077
RHSA-2017:2669
https://gist.github.com/dvyukov/48ad14e84de45b0be92b7f0eda20ff1b
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?h=4.11/scsi-fixes&id=bf33f87dd04c371ea33feb821b60d63d754e3124
https://source.android.com/security/bulletin/pixel/2017-10-01

CPE    1
cpe:/o:linux:linux_kernel:4.10.4
CWE    1
CWE-119
OVAL    20
oval:org.secpod.oval:def:703608
oval:org.secpod.oval:def:502088
oval:org.secpod.oval:def:703602
oval:org.secpod.oval:def:703611
...

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