CWE
119
Advisory Published

USN-2049-1: Linux kernel vulnerabilities

First published: Sat Dec 07 2013(Updated: )

Miroslav Vadkerti discovered a flaw in how the permissions for network sysctls are handled in the Linux kernel. An unprivileged local user could exploit this flaw to have privileged access to files in /proc/sys/net/. (CVE-2013-4270) A flaw was discovered in the Linux kernel's dm snapshot facility. A remote authenticated user could exploit this flaw to obtain sensitive information or modify/corrupt data. (CVE-2013-4299) Wannes Rombouts reported a vulnerability in the networking tuntap interface of the Linux kernel. A local user with the CAP_NET_ADMIN capability could leverage this flaw to gain full admin privileges. (CVE-2013-4343) Alan Chester reported a flaw in the IPv6 Stream Control Transmission Protocol (SCTP) of the Linux kernel. A remote attacker could exploit this flaw to obtain sensitive information by sniffing network traffic. (CVE-2013-4350) Dmitry Vyukov reported a flaw in the Linux kernel's handling of IPv6 UDP Fragmentation Offload (UFO) processing. A remote attacker could leverage this flaw to cause a denial of service (system crash). (CVE-2013-4387) Hannes Frederic Sowa discovered a flaw in the Linux kernel's UDP Fragmentation Offload (UFO). An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2013-4470) A flaw was discovered in the Linux kernel's fib6 error-code encoding for IPv6. A local user with the CAT_NET_ADMIN capability could exploit this flaw to cause a denial of service (system crash). (CVE-2013-6431) Evan Huus reported a buffer overflow in the Linux kernel's radiotap header parsing. A remote attacker could cause a denial of service (buffer over- read) via a specially crafted header. (CVE-2013-7027) An information leak was discovered in the Linux kernel's SIOCWANDEV ioctl call. A local user with the CAP_NET_ADMIN capability could exploit this flaw to obtain potentially sensitive information from kernel memory. (CVE-2014-1444) An information leak was discovered in the wanxl ioctl function the Linux kernel. A local user could exploit this flaw to obtain potentially sensitive information from kernel memory. (CVE-2014-1445)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.11.0-14-generic<3.11.0-14.21
3.11.0-14.21
=13.10
All of
ubuntu/linux-image-3.11.0-14-generic-lpae<3.11.0-14.21
3.11.0-14.21
=13.10

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