USN-2513-1: 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...

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...

UBUNTU-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...

PT-2014-8434 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 3.18 Description: The issue generates incorrect conntrack entries during the handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols. This allows remote attackers to bypass intende...

kernel: netfilter: nf_conntrack_dccp: incorrect skb_header_pointer API usages

net/netfilter/nfconntrackprotodccp.c in the Linux kernel through 3.13.6 uses a DCCP header pointer incorrectly, which allows remote attackers to cause a denial of service system crash or possibly execute arbitrary code via a DCCP packet that triggers a call to the 1 dccpnew, 2 dccppacket, or 3...

Linux kernel security vulnerabilities

ptrace information leakage, debug functions privilege escalation, cprng weak PRNG, networking dissector DoS, multiple integer overflows, buffer overlows in WiMax, USB and different devices drivers, UDP fragmentation offload uninitialized memory, privilege escalations. NAT conntrack information...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix one security issue and three bugs are now available for Red Hat Enterprise Linux 6.1 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which...

kernel: netfilter: null pointer dereference in nf_ct_frag6_reasm()

net/ipv6/netfilter/nfconntrackreasm.c in the Linux kernel before 2.6.34, when the nfconntrackipv6 module is enabled, allows remote attackers to cause a denial of service NULL pointer dereference and system crash via certain types of fragmented IPv6 packets...

kernel: netfilter: null pointer dereference in nf_ct_frag6_reasm()

net/ipv6/netfilter/nfconntrackreasm.c in the Linux kernel before 2.6.34, when the nfconntrackipv6 module is enabled, allows remote attackers to cause a denial of service NULL pointer dereference and system crash via certain types of fragmented IPv6 packets...

kernel: netfilter: null pointer dereference in nf_ct_frag6_reasm()

net/ipv6/netfilter/nfconntrackreasm.c in the Linux kernel before 2.6.34, when the nfconntrackipv6 module is enabled, allows remote attackers to cause a denial of service NULL pointer dereference and system crash via certain types of fragmented IPv6 packets...

PT-2012-4231 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 2.6.34 Description: The issue allows remote attackers to cause a denial of service, resulting in a system crash due to a NULL pointer dereference. This occurs when the nf conntrack ipv6 module is enabled and the...

Ubuntu 5.04 / 5.10 / 6.06 LTS : linux-source-2.6.10/-2.6.12/-2.6.15 vulnerabilities (USN-346-1)

A Denial of service vulnerability was reported in iptables' SCTP conntrack module. On computers which use this iptables module, a remote attacker could exploit this to trigger a kernel crash. CVE-2006-2934 A buffer overflow has been discovered in the dvdreadbca function. By inserting a specially...

Ubuntu 6.06 LTS : linux-source-2.6.15 vulnerabilities (USN-331-1)

A Denial of service vulnerability was reported in iptables' SCTP conntrack module. On computers which use this iptables module, a remote attacker could exploit this to trigger a kernel crash. CVE-2006-2934 A buffer overflow has been discovered in the dvdreadbca function. By inserting a specially...

IPv6 fragments bypass in nf_conntrack netfilter code

nfconntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IPCTESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments...

Fedora Core 5 : kernel-2.6.16-1.2107_FC5 (2006-499)

An update to the latest upstream -stable snapshot 2.6.16.13 Among quite a few bug-fixes, are two security related fixes : Don't allow a backslash in a path component CVE-2006-1863 NETFILTER: SCTP conntrack: fix infinite loop CVE-2006-1527 Detailed changelogs of the last few point releases can be...

Mandrake Linux Security Advisory : kernel (MDKSA-2006:151)

A number of vulnerabilities were discovered and corrected in the Linux 2.6 kernel : Prior to and including 2.6.16-rc2, when running on x8664 systems with preemption enabled, local users can cause a DoS oops via multiple ptrace tasks that perform single steps CVE-2006-1066. Prior to 2.6.16, a...

USN-331-1: Linux kernel vulnerabilities

A Denial of service vulnerability was reported in iptables' SCTP conntrack module. On computers which use this iptables module, a remote attacker could expoit this to trigger a kernel crash. CVE-2006-2934 A buffer overflow has been discovered in the dvdreadbca function. By inserting a specially...

Null pointer dereference

SCTP conntrack ipconntrackprotosctp.c in netfilter for Linux kernel 2.6.17 before 2.6.17.3 and 2.6.16 before 2.6.16.23 allows remote attackers to cause a denial of service crash via a packet without any chunks, which causes a variable to contain an invalid value that is later used to dereference ...

CVE-2006-2934

SCTP conntrack ipconntrackprotosctp.c in netfilter for Linux kernel 2.6.17 before 2.6.17.3 and 2.6.16 before 2.6.16.23 allows remote attackers to cause a denial of service crash via a packet without any chunks, which causes a variable to contain an invalid value that is later used to dereference ...

CVE-2006-2934

CVE-2006-2934 is a kernel-level DoS in SCTP conntrack (netfilter) for Linux kernels 2.6.17 before 2.6.17.3 and 2.6.16 before 2.6.16.23, where a crafted packet without chunks can trigger a value bug leading to a NULL dereference and crash. The connected advisories reference upstream kernel patches...