What is CVE-2015-8956?

CVE-2015-8956 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.1 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2015-8956 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2015-8956?

CVE-2015-8956 has a CVSS score of 6.1 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L.

Is there a patch available for CVE-2015-8956?

No patch is currently available for CVE-2015-8956. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2015-8956 actively exploited?

CVE-2015-8956 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-2015-8956

Medium

The rfcomm_sock_bind function in net/bluetooth/rfcomm/sock.c in the Linux kernel before 4.2 allows local users to obtain sensitive information or cause a denial of service (NULL pointer dereference) via vectors involving a bind system call on a Bluetooth RFCOMM socket.

Package Linux Kernel

Published 2016-10-10

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

6.1

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Vector string

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

Weakness type

CWE-476

CVE-2015-8956 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-2015-8956 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
Securityfocus
http://www.securityfocus.com/bid/93326
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=951b6a0717db97ce420547222647bcc40bf1eacd
Patch
Kernel patch commit
http://source.android.com/security/bulletin/2016-10-01.html
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/951b6a0717db97ce420547222647bcc40bf1eacd
Patch

Details

CVE ID CVE-2015-8956

Severity Medium

CVSS score 6.1 / 10

CVSS version 3.0

Published 2016-10-10

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2015-8956?

CVE-2015-8956 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.1 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2015-8956 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2015-8956?

CVE-2015-8956 has a CVSS score of 6.1 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:H/I:N/A:L.
Is there a patch available for CVE-2015-8956?

No patch is currently available for CVE-2015-8956. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2015-8956 actively exploited?

No — CVE-2015-8956 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 →