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CVE-2014-9322

Status Candidate

Overview

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.

Related Files

HP Security Bulletin HPSBGN03285 1
Posted Mar 25, 2015
Authored by HP | Site hp.com

HP Security Bulletin HPSBGN03285 1 - Potential security vulnerabilities have been identified with these three packages. These vulnerabilities could be exploited to allow execution of code. HP Operation Agent Virtual Appliance for monitoring VMware vSphere environments (OAVA) HP Virtualization Performance Viewer for monitoring VMware vSphere environments (vPV VA) HP Operations Manager i 10.00 Virtual (OMi VA). Revision 1 of this advisory.

tags | advisory, vulnerability
advisories | CVE-2012-6657, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-5471, CVE-2014-5472, CVE-2014-6410, CVE-2014-9322, CVE-2015-0235
SHA-256 | 172838bdb356ce6ff085acbfa8cc07719e149fed64df6c1daaa6c456b43e7a32
HP Security Bulletin HPSBGN03282 1
Posted Mar 25, 2015
Authored by HP | Site hp.com

HP Security Bulletin HPSBGN03282 1 - Potential security vulnerabilities have been identified with the underlying Linux Operating System kernel which supports these three Virtual Appliance packages. These vulnerabilities could be exploited to allow execution of code and other issues. HP Operations Agent Virtual Appliance for monitoring VMware vSphere environments (OAVA) HP Virtualization Performance Viewer Virtual appliance (vPV VA) HP Operations Manager i 10.00 Virtual (OMi VA). Revision 1 of this advisory.

tags | advisory, kernel, vulnerability
systems | linux
advisories | CVE-2012-6657, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-5471, CVE-2014-5472, CVE-2014-6410, CVE-2014-9322
SHA-256 | 864b0db9d75f4f8f952cedebeb176669331ab60bcc28a09d3c66acf6f249367d
Linux CVE-2014-9322 Proof Of Concept
Posted Mar 2, 2015
Authored by Emeric Nasi

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. This is a POC to reproduce vulnerability. No exploitation here, just simple kernel panic.

tags | exploit, x86, kernel, local
systems | linux
advisories | CVE-2014-9322
SHA-256 | 4af67f178eb58a164b5111e77b240cd7ee040f47573670c05d5a9905efc16e21
Ubuntu Security Notice USN-2491-1
Posted Feb 4, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2491-1 - Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment (SS) register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host. Various other issues were also addressed.

tags | advisory, denial of service, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-8133, CVE-2014-9322, CVE-2014-9420
SHA-256 | 19a2af96124543aaa352ea18ece1dd413cfb089cee4acb7401e035e68bc63c5c
Mandriva Linux Security Advisory 2015-027
Posted Jan 16, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-027 - Multiple vulnerabilities has been found and corrected in the Linux kernel. The SCTP implementation in the Linux kernel before 3.17.4 allows remote attackers to cause a denial of service by triggering a large number of chunks in an association's output queue, as demonstrated by ASCONF probes, related to net/sctp/inqueue.c and net/sctp/sm_statefuns.c. Various other issues have also been addressed. The updated packages provides a solution for these security issues.

tags | advisory, remote, denial of service, kernel, vulnerability
systems | linux, mandriva
advisories | CVE-2014-3688, CVE-2014-6416, CVE-2014-6417, CVE-2014-6418, CVE-2014-7841, CVE-2014-7842, CVE-2014-8133, CVE-2014-8884, CVE-2014-9090, CVE-2014-9322, CVE-2014-9419, CVE-2014-9420, CVE-2014-9529, CVE-2014-9584, CVE-2014-9585
SHA-256 | 8db2a8779b1b5045f0e914377584f2e707328f0f91ef09e5a26429ff9fa5d67c
Ubuntu Security Notice USN-2464-1
Posted Jan 13, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2464-1 - Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment (SS) register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in attacking the kernel. Various other issues were also addressed.

tags | advisory, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-7842, CVE-2014-8134, CVE-2014-8369, CVE-2014-9090, CVE-2014-9322
SHA-256 | f75d7cc0dcd4758392f8801245cba456c9322b7d08a6a0f867821d681a4df56c
Red Hat Security Advisory 2015-0009-01
Posted Jan 5, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0009-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | 20792dd2a836323ed4aa16764c419880226793382ed4a49bcd87a4f9128bf365
Red Hat Security Advisory 2014-2031-01
Posted Dec 23, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-2031-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | 807921b6b285a42f6aeea04f7e22861d6bdb76057927ac3e3280fd82814fcfae
Red Hat Security Advisory 2014-2030-01
Posted Dec 23, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-2030-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | 41d6fc46d60239c957e9dfd372456bf51bc12eb8d344430ad8515a81ee622121
Red Hat Security Advisory 2014-2029-01
Posted Dec 23, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-2029-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | b827fb50fc49c1dec1ebd62661be33a036c77dbc34b10a9e8e43425e73889637
Red Hat Security Advisory 2014-2028-01
Posted Dec 23, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-2028-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | a064ea3cf3f8d95c6081aee62a68ba7dee82642c95280d63f80cd3c68a4a0cf9
Red Hat Security Advisory 2014-2010-01
Posted Dec 18, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-2010-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | 4e4186b1cdf9f66b1e8aa88214c3a03dd064ef6d4eedf6823a6ccf5328190dd1
Red Hat Security Advisory 2014-2009-01
Posted Dec 17, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-2009-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | ffabb5127213b9d5e767b7989c9d1fc88083afdaabf91be68ad03ea1375016b9
Red Hat Security Advisory 2014-2008-01
Posted Dec 17, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-2008-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | 4969a06224595485fcb2f9e81196c0079600768eda0c43885c3f0f3f8b1bb9bf
Red Hat Security Advisory 2014-1998-01
Posted Dec 16, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1998-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-9322
SHA-256 | 885c454e2df45f10d3dd5faa7793cbefdc2fe5c65b5a3e5121114ffc38dd334b
Red Hat Security Advisory 2014-1997-01
Posted Dec 16, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1997-01 - A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system. A flaw was found in the way the Linux kernel's SCTP implementation handled malformed or duplicate Address Configuration Change Chunks. A remote attacker could use either of these flaws to crash the system. A flaw was found in the way the Linux kernel's SCTP implementation handled the association's output queue. A remote attacker could send specially crafted packets that would cause the system to use an excessive amount of memory, leading to a denial of service.

tags | advisory, remote, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2012-6657, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-5471, CVE-2014-5472, CVE-2014-6410, CVE-2014-9322
SHA-256 | 9a42bc59092af16ac1038c9e5dce06d93b232fcce0c7a1ab4cb77a0af3e0b74c
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