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CVE-2014-7841

Status Candidate

Overview

A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change (ASCONF). A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system.

Related Files

Red Hat Security Advisory 2015-0695-01
Posted Mar 18, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0695-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change. A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system. It was found that the Linux kernel's Infiniband subsystem did not properly sanitize input parameters while registering memory regions from user space via the verbs API. A local user with access to a /dev/infiniband/uverbsX device could use this flaw to crash the system or, potentially, escalate their privileges on the system.

tags | advisory, remote, kernel, local
systems | linux, redhat
advisories | CVE-2013-2596, CVE-2014-5471, CVE-2014-5472, CVE-2014-7841, CVE-2014-8159
SHA-256 | 25724757ff5aee8a16c253eb7a578ac07bfa56bdb2e5d75fa8c0d5db6a98c13b
Red Hat Security Advisory 2015-0285-01
Posted Mar 3, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0285-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change. A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system. This issue was discovered by Liu Wei of Red Hat.

tags | advisory, remote, kernel
systems | linux, redhat
advisories | CVE-2014-7841
SHA-256 | 050b6bc184d04b6b384540b1f5f5fff667ee6134690305e100aad6ef86bfe93a
Red Hat Security Advisory 2015-0284-03
Posted Mar 3, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0284-03 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A race condition flaw was found in the way the Linux kernel's KVM subsystem handled PIT emulation. A guest user who has access to the PIT I/O ports could use this flaw to crash the host. A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change. A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system.

tags | advisory, remote, kernel
systems | linux, redhat
advisories | CVE-2013-4483, CVE-2014-3185, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-7841, CVE-2014-8160
SHA-256 | 3a23bafa7ff0984a430f6377352c08ac1cc9765d54947d73d20afde3035fbc0c
Red Hat Security Advisory 2015-0102-01
Posted Jan 29, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0102-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change. A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system. A race condition flaw was found in the way the Linux kernel's mmap, madvise, and fallocate system calls interacted with each other while operating on virtual memory file system files. A local user could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2014-4171, CVE-2014-5471, CVE-2014-5472, CVE-2014-7145, CVE-2014-7822, CVE-2014-7841
SHA-256 | d6cb35f9eec16000c013c4d690821d03205cdba86b1d5048733ff6c4beccc835
Red Hat Security Advisory 2015-0087-01
Posted Jan 28, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0087-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change. A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system. An integer overflow flaw was found in the way the Linux kernel's Advanced Linux Sound Architecture implementation handled user controls. A local, privileged user could use this flaw to crash the system.

tags | advisory, remote, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2014-4656, CVE-2014-7841
SHA-256 | 56294e658e5f97118916c849531a69eb62aaa3d6bf0ea85f9f9081df3abed7a4
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-2468-1
Posted Jan 13, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2468-1 - A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-7841, CVE-2014-7842, CVE-2014-7843, CVE-2014-8884
SHA-256 | b87ad3513b1b14897c08a8fa67c7f83ae209118a25480a7387424398b46ff1eb
Ubuntu Security Notice USN-2467-1
Posted Jan 13, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2467-1 - A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-7841, CVE-2014-7842, CVE-2014-7843, CVE-2014-8884
SHA-256 | 6db7378aa52f1ea3d0d471f8fffba697ae4faed7d96f6528cf50a5bb6e55846e
Ubuntu Security Notice USN-2466-1
Posted Jan 13, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2466-1 - A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-7841, CVE-2014-7842, CVE-2014-7843, CVE-2014-8884
SHA-256 | 72ab799039264b012fe56154c3779f8c3a2e0239f77320cbea5170fef033aff4
Ubuntu Security Notice USN-2465-1
Posted Jan 13, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2465-1 - A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-7841, CVE-2014-7842, CVE-2014-7843, CVE-2014-8884
SHA-256 | 07d103f30d4ad42e9fbba5870ef5da6e4ed83ec02f5cd414821e6b547da1c15b
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
SHA-256 | 8d55b495c08c469f393a908849b08199e4e913ec6381b4b38d921293f81b5df4
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
SHA-256 | cf6047ccb1b24e003bd8fa8a4bde8410e0623e015f81104c409931c57084f548
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
SHA-256 | 288267c834792a8e3246504ad1734c3fe48f348a5065045fb6df325ec1dcf9ee
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
SHA-256 | 351ac93482ab04f44a623a4251f21fe15ca92d2c32eaf98a44a99b4d5a247b0e
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
SHA-256 | 57232cc982d5b56a3a4484ad03202481e9d82dcc2130c361d364a0329773cbdd
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