Vulnerability Details : CVE-2014-7826
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.
Vulnerability category: Denial of service
Products affected by CVE-2014-7826
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:ltss:*:*:*
- cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-7826
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-7826
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2014-7826
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-7826
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http://www.securityfocus.com/bid/70971
Linux Kernel 'trace_syscalls.c' Multiple Local Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
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http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
[security-announce] SUSE-SU-2015:0481-1: important: Security update forMailing List;Third Party Advisory
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https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9
tracing/syscalls: Ignore numbers outside NR_syscalls' range · torvalds/linux@086ba77 · GitHubExploit;Patch;Third Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
[security-announce] openSUSE-SU-2015:0566-1: important: kernel update foMailing List;Third Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=086ba77a6db00ed858ff07451bedee197df868c9
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https://bugzilla.redhat.com/show_bug.cgi?id=1161565
1161565 – (CVE-2014-7825, CVE-2014-7826) CVE-2014-7825 CVE-2014-7826 kernel: insufficient syscall number validation in perf and ftrace subsystemsIssue Tracking;Patch;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2014/11/06/11
oss-security - Exploitable issues in Linux perf/ftrace subsystemsMailing List;Patch;Third Party Advisory
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http://rhn.redhat.com/errata/RHSA-2015-0864.html
RHSA-2015:0864 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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http://rhn.redhat.com/errata/RHSA-2014-1943.html
RHSA-2014:1943 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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http://rhn.redhat.com/errata/RHSA-2015-0290.html
RHSA-2015:0290 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://exchange.xforce.ibmcloud.com/vulnerabilities/98556
Linux Kernel trace_syscalls.c denial of service CVE-2014-7826 Vulnerability ReportThird Party Advisory;VDB Entry
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