Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a security issue in net veth...

SUSE CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

DEBIAN-CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

UBUNTU-CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099 veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099 veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47099

CVE-2021-47099 relates to a Linux kernel issue where, under GRO in a veth device, shared or cloned skbs could bypass the share check and enter the GRO path when no XDP program is attached. The root cause described in the CVE notes is that when GRO is enabled on a veth pair and the peer has TSO di...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a security issue in veth...

kernel: veth: Fix use after free in XDP_REDIRECT

A use-after-free vulnerability has been identified within the vethconvertskbtoxdpbuff function of the Linux kernel's veth driver. The flaw stems from improper memory management during packet headroom expansion for XDP eXpress Data Path. Specifically, when the pskbexpandhead function allocates new...

kernel: Linux kernel: netfilter use-after-free vulnerability leading to denial of service

A flaw was found in the Linux kernel's netfilter component. When a virtual Ethernet veth device is released, the associated network namespace netns device memory may be prematurely freed. This can lead to a use-after-free vulnerability during the unregistration of netdev hooks. A local attacker...

kernel: net: openvswitch: fix race on port output

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix race on port output assume the following setup on a single machine: 1. An openvswitch instance with one bridge and default flows 2. two network namespaces "server" and "client" 3. two ovs interfaces "server"...

PT-2025-18871 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.1.4-cloudflare-kasan-2023.1.2 Description: A use-after-free issue has been identified in the Linux kernel, specifically in the veth module. This issue arises when the pskb expand head function is used to expan...

AfEth withdrawing will not work when ratio will be 0

Lines of code Vulnerability details Impact AfEth withdrawing will not work when ratio will be 0. It will be not possible to withdraw. Proof of Concept Any ratio for the 2 tokens of afEth can be set by owner. AfEth.withdraw function will not work in case if ratio will be 0, which means that safEth...

K39655464: Linux kernel vulnerability CVE-2013-2017

Security Advisory Description The veth aka virtual Ethernet driver in the Linux kernel before 2.6.34 does not properly manage skbs during congestion, which allows remote attackers to cause a denial of service system crash by leveraging lack of skb consumption in conjunction with a double-free...

nmstate bug fix and enhancement update

An update is available for nmstate. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Nmstate is a library with an accompanying command line tool that manages host...