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CVE-2014-9322

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Date: December 17, 2014

arch/x86/kernel/entry_64.S in the Linux kernel before 3.17.5 does not properly handle faults associated with the Stack Segment (SS) segment register, which allows local users to gain privileges by triggering an IRET instruction that leads to access to a GS Base address from the wrong space.

Language: C

Severity Score

Related Resources (26)

http://www.openwall.com/lists/oss-security/2014/12/15/6
http://rhn.redhat.com/errata/RHSA-2015-0009.html
http://marc.info/?l=bugtraq&m=142722544401658&w=2
http://www.exploit-db.com/exploits/36266
http://www.ubuntu.com/usn/USN-2491-1
http://rhn.redhat.com/errata/RHSA-2014-1998.html
https://github.com/torvalds/linux/commit/6f442be2fb22be02cafa606f1769fa1e6f894441
http://rhn.redhat.com/errata/RHSA-2014-2031.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
http://source.android.com/security/bulletin/2016-04-02.html
http://www.zerodayinitiative.com/advisories/ZDI-16-170
https://help.joyent.com/entries/98788667-Security-Advisory-ZDI-CAN-3263-ZDI-CAN-3284-and-ZDI-CAN-3364-Vulnerabilities
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-9322
https://nvd.nist.gov/vuln/detail/CVE-2014-9322
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6f442be2fb22be02cafa606f1769fa1e6f894441
https://bugzilla.redhat.com/show_bug.cgi?id=1172806
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.5
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://rhn.redhat.com/errata/RHSA-2014-2008.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
http://rhn.redhat.com/errata/RHSA-2014-2028.html
http://marc.info/?l=bugtraq&m=142722450701342&w=2
http://osvdb.org/show/osvdb/115919
https://access.redhat.com/security/cve/CVE-2014-9322
http://secunia.com/advisories/62336
https://www.mend.io/vulnerability-database/CVE-2014-9322

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Improper Privilege Management

CWE-269

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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