What is CVE-2016-6327?

CVE-2016-6327 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2016-6327 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-6327?

CVE-2016-6327 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2016-6327?

No patch is currently available for CVE-2016-6327. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-6327 actively exploited?

CVE-2016-6327 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2016-6327

Medium

drivers/infiniband/ulp/srpt/ib_srpt.c in the Linux kernel before 4.5.1 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an ABORT_TASK command to abort a device write operation.

Package Linux Kernel

Published 2016-10-16

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-476

CVE-2016-6327 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-6327 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2574.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2584.html
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1

Vendor Advisory
Openwall
http://www.openwall.com/lists/oss-security/2016/08/19/5

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/92549
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1354525

Issue Tracking Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=51093254bf879bc9ce96590400a87897c7498463
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/51093254bf879bc9ce96590400a87897c7498463
Patch

Details

CVE ID CVE-2016-6327

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.0

Published 2016-10-16

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-6327?

CVE-2016-6327 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2016-6327 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-6327?

CVE-2016-6327 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2016-6327?

No patch is currently available for CVE-2016-6327. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-6327 actively exploited?

No — CVE-2016-6327 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →