Description
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.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- 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.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=142722450701342&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=142722544401658&w=2Mailing List, Third Party Advisory
- http://osvdb.org/show/osvdb/115919Broken Link
- http://rhn.redhat.com/errata/RHSA-2014-1998.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-2008.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-2028.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-2031.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0009.htmlThird Party Advisory
- http://secunia.com/advisories/62336Broken Link
- http://source.android.com/security/bulletin/2016-04-02.htmlPatch, Third Party Advisory
- http://www.exploit-db.com/exploits/36266Exploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2014/12/15/6Mailing List, Patch, Third Party Advisory
- http://www.ubuntu.com/usn/USN-2491-1Third Party Advisory
- http://www.zerodayinitiative.com/advisories/ZDI-16-170Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1172806Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/6f442be2fb22be02cafa606f1769fa1e6f894441Patch, Third Party Advisory
- https://help.joyent.com/entries/98788667-Security-Advisory-ZDI-CAN-3263-ZDI-CAN-3284-and-ZDI-CAN-3364-VulnerabilitiesPermissions Required, Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.5Mailing List, Patch, Vendor Advisory
- 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.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=142722450701342&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=142722544401658&w=2Mailing List, Third Party Advisory
- http://osvdb.org/show/osvdb/115919Broken Link
- http://rhn.redhat.com/errata/RHSA-2014-1998.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-2008.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-2028.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-2031.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0009.htmlThird Party Advisory
- http://secunia.com/advisories/62336Broken Link
- http://source.android.com/security/bulletin/2016-04-02.htmlPatch, Third Party Advisory
- http://www.exploit-db.com/exploits/36266Exploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2014/12/15/6Mailing List, Patch, Third Party Advisory
- http://www.ubuntu.com/usn/USN-2491-1Third Party Advisory
- http://www.zerodayinitiative.com/advisories/ZDI-16-170Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1172806Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/6f442be2fb22be02cafa606f1769fa1e6f894441Patch, Third Party Advisory
- https://help.joyent.com/entries/98788667-Security-Advisory-ZDI-CAN-3263-ZDI-CAN-3284-and-ZDI-CAN-3364-VulnerabilitiesPermissions Required, Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.5Mailing List, Patch, Vendor Advisory
Timeline
- Published
- Dec 17, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified