The InfiniBand (aka IB) stack in the Linux kernel before 4.5.3 incorrectly relies on the write system call, which allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a uAPI interface.
Category
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 •
AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS
Probability of exploitation activity in the next 30 days.
CVE-2016-4565 has been scored as a high severity vulnerability.
How to fix CVE-2016-4565?
To fix CVE-2016-4565, 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-2016-4565 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-4565 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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