Is CVE-2016-4565 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 0%.

What products does CVE-2016-4565 affect?

Tracked products affected include Ubuntu. Check the version you run to see whether it is affected.

How do I fix CVE-2016-4565?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

CVE-2016-4565

Q: What is CVE-2016-4565?

CVE-2016-4565 is a high-severity software vulnerability (CWE-264) with a CVSS score of 7.8. 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

HIGH severity · CVSS 7.8 · CWE-264

7.8CVSS HIGH

Summary

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.

Impact & exploitability

Attack vectorLocal

Attack complexityLow

Privileges requiredLow

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)0%

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Ubuntu

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.htmlAdvisory