CVE-2022-49599 tcp: Fix data-races around sysctl_tcp_l3mdev_accept.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpl3mdevaccept. While reading sysctltcpl3mdevaccept, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49597 tcp: Fix data-races around sysctl_tcp_base_mss.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpbasemss. While reading sysctltcpbasemss, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49572 tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpslowstartafteridle. While reading sysctltcpslowstartafteridle, it can be changed concurrently. Thus, we need to add READONCE to its readers...

IPv6 enabled on IPv4-only network interfaces

In 26.0.0 and 26.0.1, IPv6 is not disabled on network interfaces, including those belonging to networks where --ipv6=false. Impact A container with an ipvlan or macvlan interface will normally be configured to share an external network link with the host machine. Because of this direct access, wi...

Linux: ICMP Redirect (accept)

ICMP Redirects are used to update a hosts routing information, if e.g. an alternative and possible more direct route is available. If the host does not act as a router, ICMP Redirects are not needed. Further more, an attacker could use corrupt routing to have users access a system set up by the...

Linux: IP Forwarding

The net.ipv4.ipforward and net.ipv6.conf.all.forwarding flags are used to tell the system whether it can forward packets or not. SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

CVE-2018-17156

In FreeBSD before 11.2-STABLEr340268 and 11.2-RELEASE-p5, due to incorrectly accounting for padding on 64-bit platforms, a buffer underwrite could occur when constructing an ICMP reply packet when using a non-standard value for the net.inet.icmp.quotelen sysctl...

openSUSE Security Update : qemu (openSUSE-2017-349)

This update for qemu fixes several issues. These security issues were fixed : - CVE-2017-5898: The CCID Card device emulator support was vulnerable to an integer overflow flaw allowing a privileged user to crash the Qemu process on the host resulting in DoS bsc1023907. - CVE-2017-5857: The Virtio...