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CVE-2015-5283

Status Candidate

Overview

The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence of protocol-initialization steps, which allows local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the steps have finished.

Related Files

Ubuntu Security Notice USN-2829-2
Posted Dec 4, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2829-2 - It was discovered that the SCTP protocol implementation in the Linux kernel performed an incorrect sequence of protocol-initialization steps. A local attacker could use this to cause a denial of service (system crash). Dmitry Vyukov discovered that the Linux kernel's keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2015-5283, CVE-2015-7872
MD5 | a85f4126d4f341bb08b7b1453fe8a5c7
Ubuntu Security Notice USN-2829-1
Posted Dec 4, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2829-1 - It was discovered that the SCTP protocol implementation in the Linux kernel performed an incorrect sequence of protocol-initialization steps. A local attacker could use this to cause a denial of service (system crash). Dmitry Vyukov discovered that the Linux kernel's keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2015-5283, CVE-2015-7872
MD5 | efcd6fb8a8b944e83c7e686aaff55a3c
Ubuntu Security Notice USN-2826-1
Posted Dec 3, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2826-1 - It was discovered that the SCTP protocol implementation in the Linux kernel performed an incorrect sequence of protocol-initialization steps. A local attacker could use this to cause a denial of service (system crash). Dmitry Vyukov discovered that the Linux kernel's keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2015-5283, CVE-2015-7872
MD5 | 7c18a32b11105e93942f2bfd8fdce219
Ubuntu Security Notice USN-2823-1
Posted Dec 1, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2823-1 - It was discovered that the SCTP protocol implementation in the Linux kernel performed an incorrect sequence of protocol-initialization steps. A local attacker could use this to cause a denial of service (system crash). Dmitry Vyukov discovered that the Linux kernel's keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service (system crash). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2015-5283, CVE-2015-7872
MD5 | efc2842fd3b0d8b8a08423636ce8db54
Red Hat Security Advisory 2015-2411-01
Posted Nov 20, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2411-01 - 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's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system. A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2013-7421, CVE-2014-8171, CVE-2014-9419, CVE-2014-9644, CVE-2015-2925, CVE-2015-3339, CVE-2015-4170, CVE-2015-5283, CVE-2015-7613, CVE-2015-7837
MD5 | 6352129f9d3299a279e67a270853b009
Red Hat Security Advisory 2015-2152-02
Posted Nov 20, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2152-02 - 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 file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system. A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2010-5313, CVE-2013-7421, CVE-2014-3647, CVE-2014-7842, CVE-2014-8171, CVE-2014-9419, CVE-2014-9644, CVE-2015-0239, CVE-2015-2925, CVE-2015-3339, CVE-2015-4170, CVE-2015-5283, CVE-2015-6526, CVE-2015-7613, CVE-2015-7837
MD5 | 09dcc91b307a4f8109578372bf885600
Ubuntu Security Notice USN-2797-1
Posted Nov 6, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2797-1 - It was discovered that the Linux kernel did not check if a new IPv6 MTU set by a user space application was valid. A remote attacker could forge a route advertisement with an invalid MTU that a user space daemon like NetworkManager would honor and apply to the kernel, causing a denial of service. It was discovered that in certain situations, a directory could be renamed outside of a bind mounted location. An attacker could use this to escape bind mount containment and gain access to sensitive information. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2015-0272, CVE-2015-2925, CVE-2015-5257, CVE-2015-5283
MD5 | d8ffa76b7a0992665a66043545f14c65
Debian Security Advisory 3372-1
Posted Oct 13, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3372-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service, unauthorised information disclosure or unauthorised information modification.

tags | advisory, denial of service, kernel, vulnerability, info disclosure
systems | linux, debian
advisories | CVE-2015-2925, CVE-2015-5257, CVE-2015-5283, CVE-2015-7613
MD5 | ffcadb74d5180c69e0353da1ed27e907
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