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CVE-2014-9090

Status Candidate

Overview

The do_double_fault function in arch/x86/kernel/traps.c in the Linux kernel through 3.17.4 does not properly handle faults associated with the Stack Segment (SS) segment register, which allows local users to cause a denial of service (panic) via a modify_ldt system call, as demonstrated by sigreturn_32 in the linux-clock-tests test suite.

Related Files

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
MD5 | e4c9a93dcfe1e53e942185ebdbbe502e
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
MD5 | e457a668e3126d7170b972bd85b03514
Ubuntu Security Notice USN-2448-2
Posted Dec 20, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2448-2 - USN-2448-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7825, CVE-2014-7826, CVE-2014-7970, CVE-2014-8086, CVE-2014-8134, CVE-2014-8369, CVE-2014-9090
MD5 | a9714f14043ebbd90c277a112cfe2d36
Ubuntu Security Notice USN-2447-2
Posted Dec 20, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2447-2 - USN-2447-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7825, CVE-2014-7826, CVE-2014-7970, CVE-2014-8086, CVE-2014-8134, CVE-2014-8369, CVE-2014-9090
MD5 | 03cab965090f0ce4772db75751fe74ab
Ubuntu Security Notice USN-2448-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2448-1 - 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7825, CVE-2014-7826, CVE-2014-7970, CVE-2014-8086, CVE-2014-8134, CVE-2014-8369, CVE-2014-9090
MD5 | a8ecea701a96907e4e51218eb5d81681
Ubuntu Security Notice USN-2444-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2444-1 - 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-7825, CVE-2014-7826, CVE-2014-7841, CVE-2014-8134, CVE-2014-8884, CVE-2014-9090
MD5 | df7e369d1de360702c1dbb1c82bc3e83
Ubuntu Security Notice USN-2447-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2447-1 - 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7825, CVE-2014-7826, CVE-2014-7970, CVE-2014-8086, CVE-2014-8134, CVE-2014-8369, CVE-2014-9090
MD5 | d4b0b043b7bb1531ca068176505d49c6
Ubuntu Security Notice USN-2446-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2446-1 - 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7825, CVE-2014-7826, CVE-2014-8134, CVE-2014-8369, CVE-2014-9090
MD5 | 4bbc3f4444f42bbc5d32f32bca07f5f1
Ubuntu Security Notice USN-2445-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2445-1 - 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7825, CVE-2014-7826, CVE-2014-8134, CVE-2014-8369, CVE-2014-9090
MD5 | 776117a788dd5707e994d88ae2befa33
Ubuntu Security Notice USN-2443-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2443-1 - 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. Rabin Vincent, Robert Swiecki, Russell King discovered that the ftrace subsystem of the Linux kernel does not properly handle private syscall numbers. A local user could exploit this flaw to cause a denial of service (OOPS). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-7825, CVE-2014-7826, CVE-2014-7841, CVE-2014-8134, CVE-2014-8884, CVE-2014-9090
MD5 | 385a8e69e579e05b67b4bd8e0aa93867
Ubuntu Security Notice USN-2442-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2442-1 - 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. A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. A remote attacker could exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, protocol
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7841, CVE-2014-8134, CVE-2014-8709, CVE-2014-8884, CVE-2014-9090
MD5 | 01e5b144fdc1b3a34c2dc1b705ab1489
Ubuntu Security Notice USN-2441-1
Posted Dec 12, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2441-1 - 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. A flaw in the handling of malformed ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. A remote attacker could exploit this flaw to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, protocol
systems | linux, ubuntu
advisories | CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-7841, CVE-2014-8134, CVE-2014-8709, CVE-2014-8884, CVE-2014-9090
MD5 | d0339023f19d1e966b466e0e35e8b4e9
Debian Security Advisory 3093-1
Posted Dec 9, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3093-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2014-7841, CVE-2014-8369, CVE-2014-8884, CVE-2014-9090
MD5 | 1646dae0dc0e6a22651c4801f4ac683e
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