Arista EOS 安全漏洞

Arista EOS is a fully programmable, highly modular, Linux-based network operating system from Arista Corporation. A security vulnerability exists in Arista EOS that stems from a malformed or truncated packet received through a VXLAN tunnel and forwarded in hardware may cause the egress port to fa...

CVE-2023-24548: Buffer Copy without Checking Size of Input

On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be unable to forward packets. The device will continue to be susceptible to the issue until remediation is in place...

Authorization

An improper authorization vulnerability in Darktrace mobile app Android prior to version 6.0.15 allows disabled and low-privilege users to control "antigena" actionsblock/unblock traffic from the mobile application. This vulnerability could create a "shutdown", blocking all ingress or egress...

Where from, Where to — The Evolution of Network Security

For the better part of the 90s and early aughts, the sysadmin handbook said, "Filter your incoming traffic, not everyone is nice out there" later coined by Gandalf as "You shall not pass". So CIOs started to supercharge their network fences with every appliance they could get to protect against...

SUSE-SU-2023:2292-1 Security update for kubernetes1.23

This update for kubernetes1.23 fixes the following issues: - add kubernetes1.18-client-common as conflicts with kubernetes-client-bash-completion - Split individual completions into separate packages Update to version 1.23.17: releng: Update images, dependencies and version to Go 1.19.6 Update...

kernel: vlan: fix memory leak in vlan_newlink()

In the Linux kernel, the following vulnerability has been resolved: vlan: fix memory leak in vlannewlink Blamed commit added back a bug I fixed in commit 9bbd917e0bec "vlan: fix memory leak in vlandevsetegresspriority" If a memory allocation fails in vlanchangelink after other allocations...

kernel: net: CPU soft lockup in TC mirred egress-to-ingress action

A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action "mirred" a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or SCTP does a...

Important: kernel-rt security and bug fix update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: stack overflow in doprocdointvec and procskipspaces CVE-2022-4378 ALSA: pcm: Move rwsem lock inside sndctlelemread to prevent UAF...

kernel: net: CPU soft lockup in TC mirred egress-to-ingress action

A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action "mirred" a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or SCTP does a...

Cryptojacking Group TeamTNT Suspected of Using Decoy Miner to Conceal Data Exfiltration

The cryptojacking group known as TeamTNT is suspected to be behind a previously undiscovered strain of malware used to mine Monero cryptocurrency on compromised systems. That's according to Cado Security, which found the sample after Sysdig detailed a sophisticated attack known as SCARLETEEL aime...

kernel: net: CPU soft lockup in TC mirred egress-to-ingress action

A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action "mirred" a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or SCTP does a...

kernel: net: CPU soft lockup in TC mirred egress-to-ingress action

A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action "mirred" a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or SCTP does a...

CVE-2022-4269

A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action "mirred" a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or SCTP does a...

CVE-2022-20870

A vulnerability in the egress MPLS packet processing function of Cisco IOS XE Software for Cisco Catalyst 3650, Catalyst 3850, and Catalyst 9000 Family Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS...

Juniper Junos OS Vulnerability (JSA69494)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA69494 advisory. - Due to an Improper Initialization vulnerability in Juniper Networks Junos OS on EX4650 devices, packets received on the management interface em0 but not destined to the...

CVE-2022-0567

A flaw was found in ovn-kubernetes. This flaw allows a system administrator or privileged attacker to create an egress network policy that bypasses existing ingress policies of other pods in a cluster, allowing network traffic to access pods that should not be reachable. This issue results in...

CVE-2022-0567

A flaw was found in ovn-kubernetes. This flaw allows a system administrator or privileged attacker to create an egress network policy that bypasses existing ingress policies of other pods in a cluster, allowing network traffic to access pods that should not be reachable. This issue results in...

Information disclosure

A flaw was found in ovn-kubernetes. This flaw allows a system administrator or privileged attacker to create an egress network policy that bypasses existing ingress policies of other pods in a cluster, allowing network traffic to access pods that should not be reachable. This issue results in...

CVE-2022-0567

CVE-2022-0567 describes a vulnerability in ovn-kubernetes where an egress network policy can bypass existing ingress policies, enabling access to pods that should be unreachable and leading to information disclosure. The primary impact is network-level exposure within a Kubernetes cluster; CVSS v...

CVE-2022-0567: Improper Input Validation

A flaw was found in ovn-kubernetes. This flaw allows a system administrator or privileged attacker to create an egress network policy that bypasses existing ingress policies of other pods in a cluster, allowing network traffic to access pods that should not be reachable. This issue results in...