CVE-2017-7187

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://source.android.com/security/bulletin/pixel/2017-10-01 third party advisory
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?h=4.11/scsi-fixes&id=bf33f87dd04c371ea33feb821b60d63d754e3124 issue tracking patch vendor advisory
https://access.redhat.com/errata/RHSA-2017:2669 third party advisory vendor advisory
http://www.securitytracker.com/id/1038086 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:2077 third party advisory vendor advisory
https://gist.github.com/dvyukov/48ad14e84de45b0be92b7f0eda20ff1b third party advisory
https://access.redhat.com/errata/RHSA-2017:1842 third party advisory vendor advisory
http://www.securityfocus.com/bid/96989 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-7187?
CVE-2017-7187 has been scored as a high severity vulnerability.
How to fix CVE-2017-7187?
To fix CVE-2017-7187, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7187 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7187 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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