CVE-2025-22103 net: fix NULL pointer dereference in l3mdev_l3_rcv

In the Linux kernel, the following vulnerability has been resolved: net: fix NULL pointer dereference in l3mdevl3rcv When delete l3s ipvlan: ip link del link eth0 ipvlan1 type ipvlan mode l3s This may cause a null pointer dereference: Call trace: iprcvfinish+0x48/0xd0 iprcv+0x5c/0x100...

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 null pointer dereference caused by the l3mdevl3rcv function accessing dev-l3mdevops after...

The vulnerability of the ipvlan component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the ipvlan component in the Linux operating system’s kernel is related to insufficient validation of input data. Exploiting this vulnerability can allow an attacker to cause service failures...

CVE-2025-21891

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

SUSE CVE-2025-21891

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

CVE-2025-21891

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

DEBIAN-CVE-2025-21891

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

AZL-60331 CVE-2025-21891 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

UBUNTU-CVE-2025-21891

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

CVE-2025-21891 ipvlan: ensure network headers are in skb linear part

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

CVE-2025-21891 ipvlan: ensure network headers are in skb linear part

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

CVE-2025-21891

The CVE-2025-21891 entry concerns a Linux kernel ipvlan vulnerability where outbound IPv4/IPv6 headers could be read from skb->head if the network header was not in the skb’s linear part. The fix adds pskb_network_may_pull() calls for both IPv4 and IPv6 handlers (ipvlan_core.c: ipvlan_route_v6...

CVE-2025-21891 ipvlan: ensure network headers are in skb linear part

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

CVE-2025-21891

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

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 ipvlan not ensuring that the network header is in the linear portion of the skb, which could lead to...

PT-2025-16743

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference issue has been identified in the Linux kernel, specifically in the l3mdev l3 rcv function. This issue occurs when deleting an l3s ipvlan, which can cause a nul...

ipvlan: Fix use-after-free in ipvlan_get_iflink().

...

Linux Distros Unpatched Vulnerability : CVE-2025-21652

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix use-after-free in ipvlangetiflink. syzbot presented an use-after-free report 0...

Linux Distros Unpatched Vulnerability : CVE-2023-52796

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipvlan: add ipvlanroutev6outbound helper Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlanprocessv6outboun...

Linux Distros Unpatched Vulnerability : CVE-2024-33621

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipvlan: Dont Use skb-sk in ipvlanprocessv4,6outbound Raw packet from PFPACKET socket ontop of an IPv6-backed ipvlan device will hit WARNONONCE in skmcloop throu...