kernel: iptables restriction bypass if a protocol handler kernel module not loaded

A flaw was found in the way the Linux kernel's netfilter subsystem handled generic protocol tracking. As demonstrated in the Stream Control Transmission Protocol SCTP case, a remote attacker could use this flaw to bypass intended iptables rule restrictions when the associated connection tracking...

RHEL 6 : kernel (RHSA-2015:0284)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6.5 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which gi...

Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2515-2)

USN-2515-1 fixed vulnerabilities in the Linux kernel. There was an unrelated regression in the use of the virtual counter CNTVCT on arm64 architectures. This update fixes the problem. We apologize for the inconvenience. A flaw was discovered in the Kernel Virtual Machine's KVM emulation of the...

USN-2515-2: Linux kernel (Trusty HWE) vulnerabilities regression

USN-2515-1 fixed vulnerabilities in the Linux kernel. There was an unrelated regression in the use of the virtual counter CNTVCT on arm64 architectures. This update fixes the problem. We apologize for the inconvenience. Original advisory details: A flaw was discovered in the Kernel Virtual...

CVE-2014-8160

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

CVE-2014-8160

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

DEBIAN-CVE-2014-8160

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

Design/Logic Flaw

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

CVE-2014-8160

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

CVE-2014-8160

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

CVE-2014-8160

net/netfilter/nfconntrackprotogeneric.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with...

CVE-2014-8160

CVE-2014-8160 : In the Linux kernel, net/netfilter/nf_conntrack_proto_generic.c before 3.18 generates incorrect conntrack entries when handling certain iptables rule sets for SCTP, DCCP, GRE, and UDP-Lite. This can allow remote attackers to bypass intended access restrictions by sending packets w...

Ubuntu 14.04 LTS : Linux kernel vulnerability regression (USN-2516-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2516-2 advisory. USN-2516-1 fixed vulnerabilities in the Linux kernel. There was an unrelated regression in the use of the virtual counter CNTVCT on arm64 architectures. This upda...

USN-2516-2: Linux kernel vulnerability regression

USN-2516-1 fixed vulnerabilities in the Linux kernel. There was an unrelated regression in the use of the virtual counter CNTVCT on arm64 architectures. This update fixes the problem. We apologize for the inconvenience. Original advisory details: A flaw was discovered in the Kernel Virtual...

Ubuntu: Security Advisory (USN-2517-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-2514-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-2513-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2515-1)

A flaw was discovered in the Kernel Virtual Machine's KVM emulation of the SYSTENTER instruction when the guest OS does not initialize the SYSENTER MSRs. A guest OS user could exploit this flaw to cause a denial of service of the guest OS crash or potentially gain privileges on the guest OS...

Ubuntu 12.04 LTS : linux vulnerabilities (USN-2513-1)

A flaw was discovered in the Kernel Virtual Machine's KVM emulation of the SYSTENTER instruction when the guest OS does not initialize the SYSENTER MSRs. A guest OS user could exploit this flaw to cause a denial of service of the guest OS crash or potentially gain privileges on the guest OS...

USN-2518-1: Linux kernel vulnerabilities

A flaw was discovered in the Kernel Virtual Machine's KVM emulation of the SYSTENTER instruction when the guest OS does not initialize the SYSENTER MSRs. A guest OS user could exploit this flaw to cause a denial of service of the guest OS crash or potentially gain privileges on the guest OS...