CVE-2014-7826

moderate-risk
Published 2014-11-10

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (3)

Affected Vendors

Linux Opensuse Suse

References (22)

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
Third 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
Mailing List http://www.openwall.com/lists/oss-security/2014/11/06/11
Third Party Advisory http://www.securityfocus.com/bid/70971
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1161565
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/98556
Exploit https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c...
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
Third 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
Mailing List http://www.openwall.com/lists/oss-security/2014/11/06/11
Third Party Advisory http://www.securityfocus.com/bid/70971
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1161565
and 2 more references
33
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 9/34 · Low