What is CVE-2014-7826?

CVE-2014-7826 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2014-7826 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2014-7826?

CVE-2014-7826 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2014-7826?

No patch is currently available for CVE-2014-7826. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2014-7826 actively exploited?

CVE-2014-7826 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-2014-7826

High

kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.

Package Linux Kernel

Published 2014-11-10

Last modified 2026-05-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2014-7826 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-2014-7826 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html

Mailing List Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2014-1943.html

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2015-0290.html

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2015-0864.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/70971

Third Party Advisory VDB Entry
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/98556

Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=086ba77a6db00ed858ff07451bedee197df868c9
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2014/11/06/11
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=1161565
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2014-7826

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2014-11-10

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2014-7826?

CVE-2014-7826 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2014-7826 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2014-7826?

CVE-2014-7826 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2014-7826?

No patch is currently available for CVE-2014-7826. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2014-7826 actively exploited?

No — CVE-2014-7826 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 →