CVE-2014-9322
HIGH severity · CVSS 7.8 · Improper privilege management
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6f442be2fb22be02cafa606f1769fa1e6f894441
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlAdvisory
- http://marc.info/?l=bugtraq&m=142722450701342&w=2Advisory
- http://marc.info/?l=bugtraq&m=142722544401658&w=2Advisory
- http://osvdb.org/show/osvdb/115919
- http://rhn.redhat.com/errata/RHSA-2014-1998.htmlAdvisory