kernel: Exploitable memory corruption due to UFO to non-UFO path switch

An exploitable memory corruption flaw was found in the Linux kernel. The append path can be erroneously switched from UFO to non-UFO in ipufoappenddata when building an UFO packet with MSGMORE option. If unprivileged user namespaces are available, this flaw can be exploited to gain root privilege...

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

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

SUSE-SU-2019:3183-1 Security update for permissions

This update for permissions fixes the following issues: Security issues fixed: - CVE-2019-3688: Changed wrong ownership in /usr/sbin/pinger to root:squid which could have allowed a squid user to gain persistence by changing the binary bsc1093414. - CVE-2019-3690: Fixed a privilege escalation...

Cisco IOS XE Software Zone-Based Firewall IP Fragmentation DoS (cisco-sa-20180328-fwip)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability in the Zone-Based Firewall due to the way fragmented packets in the firewall code. An unauthenticated, remote attacker can exploit this by sending fragmented IP Version 4 or IP Version 6 packets through a...

CVE-2017-9074

The IPv6 fragmentation implementation in the Linux kernel does not consider that the nexthdr field may be associated with an invalid option, which allows local users to cause a denial of service out-of-bounds read and BUG or possibly have unspecified other impact via crafted socket and send syste...

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

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

UBUNTU-CVE-2019-16410

An issue was discovered in Suricata 4.1.4. By sending multiple fragmented IPv4 packets, the function Defrag4Reassemble in defrag.c tries to access a memory region that is not allocated, because of a lack of headerlen checking...

CVE-2019-6811

An Improper Check for Unusual or Exceptional Conditions CWE-754 vulnerability exists in Modicon Quantum 140 NOE771x1 version 6.9 and earlier, which could cause denial of service when the module receives an IP fragmented packet with a length greater than 65535 bytes. The module then requires a pow...

EulerOS 2.0 SP2 : glibc (EulerOS-SA-2019-1844)

According to the versions of the glibc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Stack-based buffer overflow in the glob implementation in GNU C Library aka glibc before 2.24, when GLOBALTDIRFUNC is used, allows...

Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20190912)

Security Fixes : - kernel: Memory corruption due to incorrect socket cloning CVE-2018-9568 - kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraidsasbase.c leading to DoS CVE-2019-11810 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

FreeBSD-SA-19:22.mbuf

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-19:22.mbuf Security Advisory The FreeBSD Project Topic: IPv6 remote Denial-of-Service Category: kernel Module: net Announced: 2019-08-20 Credits: Clement Lecign...

NewStart CGSL MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0004)

The remote NewStart CGSL host, running version MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - Multiple array index errors in drivers/hid/hid-core.c in the Human Interface Device HID subsystem in the Linux kernel through 3.11 allow physically proximate...

CVE-2019-14378

CVE-2019-14378 is a heap-based buffer overflow in SLiRP (ip_reass in libslirp 4.0.0) used by QEMU’s networking, triggered by reassembling large first fragments. The issue can allow a QEMU process crash and, depending on context, may lead to code execution with the host/QEMU process privileges. Co...

BSA-2019-828

Security Advisory ID : BSA-2019-828 Component : TCP SACK Revision : 2.0 An excessive resource consumption flaw was found in the way the Linux kernel's networking subsystem processed TCP Selective Acknowledgment SACK segments. While processing SACK segments, the Linux kernel's socket buffer SKB da...

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1668-1) (SACK Panic) (SACK Slowness)

This update for the Linux Kernel 3.12.74-6064107 fixes several issues. The following security issues were fixed : CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless netwo...

SUSE-SU-2019:1674-1 Security update for the Linux Kernel (Live Patch 2 for SLE 12 SP4)

This update for the Linux Kernel 4.12.14-956 fixes several issues. The following security issues were fixed: - CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network...

SUSE-SU-2019:1588-1 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1)

This update for the Linux Kernel 4.12.14-195 fixes several issues. The following security issues were fixed: - CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network...

SUSE-SU-2019:1581-1 Security update for the Linux Kernel (Live Patch 6 for SLE 15)

This update for the Linux Kernel 4.12.14-2522 fixes several issues. The following security issues were fixed: - CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network...

DEBIAN-CVE-2019-11478

Jonathan Looney discovered that the TCP retransmission queue implementation in tcpfragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment SACK sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel...

DEBIAN-CVE-2019-11479

Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced. A remote attacker could use this to cause a denial of service. This has been fixed in stable kerne...