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Vulnerability record · CVE-2014-7826 · published 10 November 2014

CVE-2014-7826: Linux kernel null pointer dereference vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 0.59% · top 53.4% CWE-476 · NULL pointer dereference
7.8CVSS 3.1 base score, v2 7.2
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
22References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=086ba77a6db00ed858ff07451bedee197df868c9
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1943.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0290.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0864.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/11/06/11 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/70971 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1161565 Issue TrackingPatchThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/98556 Third Party AdvisoryVDB Entry
https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9 ExploitPatchThird Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=086ba77a6db00ed858ff07451bedee197df868c9
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1943.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0290.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0864.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/11/06/11 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/70971 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1161565 Issue TrackingPatchThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/98556 Third Party AdvisoryVDB Entry
https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9 ExploitPatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2014-7826), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.