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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.
Publish Date : 2014-11-10 Last Update Date : 2020-08-14
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceGain privileges
CWE ID 476

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2015:0290: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20150290 unix
RHSA-2015:0864: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20150864 unix
USN-2443-1 -- Linux kernel vulnerabilities oval:org.mitre.oval:def:28491 unix
USN-2444-1 -- Linux kernel (OMAP4) vulnerabilities oval:org.mitre.oval:def:28567 unix
USN-2445-1 -- Linux kernel (Trusty HWE) vulnerabilities oval:org.mitre.oval:def:27732 unix
USN-2446-1 -- Linux kernel vulnerabilities oval:org.mitre.oval:def:28504 unix
USN-2447-1 -- Linux kernel (Utopic HWE) vulnerabilities oval:org.mitre.oval:def:28556 unix
USN-2447-2 -- Linux kernel (Utopic HWE) regression oval:org.mitre.oval:def:27960 unix
USN-2448-1 -- Linux kernel vulnerabilities oval:org.mitre.oval:def:28611 unix
USN-2448-2 -- Linux kernel regression oval:org.mitre.oval:def:28608 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2014-7826

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
2 OS Opensuse Evergreen 11.4 * * * Version Details Vulnerabilities
3 OS Suse Suse Linux Enterprise Server 11 SP2 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1
Opensuse Evergreen 1
Suse Suse Linux Enterprise Server 1

- References For CVE-2014-7826

http://www.securityfocus.com/bid/70971
BID 70971 Linux Kernel 'trace_syscalls.c' Multiple Local Denial of Service Vulnerabilities Release Date:2015-01-21
http://rhn.redhat.com/errata/RHSA-2015-0864.html
REDHAT RHSA-2015:0864
http://rhn.redhat.com/errata/RHSA-2015-0290.html
REDHAT RHSA-2015:0290
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
SUSE openSUSE-SU-2015:0566
https://bugzilla.redhat.com/show_bug.cgi?id=1161565 CONFIRM
http://rhn.redhat.com/errata/RHSA-2014-1943.html
REDHAT RHSA-2014:1943
https://exchange.xforce.ibmcloud.com/vulnerabilities/98556
XF linux-kernel-cve20147826-dos(98556)
http://www.openwall.com/lists/oss-security/2014/11/06/11
MLIST [oss-security] 20141106 Exploitable issues in Linux perf/ftrace subsystems
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=086ba77a6db00ed858ff07451bedee197df868c9 CONFIRM
https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9 CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
SUSE SUSE-SU-2015:0481

- Metasploit Modules Related To CVE-2014-7826

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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