Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/packet: a race condition in packetsetring and packetnotifier has been fixed. When packetsetring releases po-bindlock, another thread may execute packetnotifier and process an NETDEVUP event. This race condition is similar to...

CVE-2026-80841

In the Linux kernel, the following vulnerability has been resolved: net/packet: defer vmalloc TXRING free until skbs finish AFPACKET TXRING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backed ring blocks after pgvec is freed, but they do not preserve a vmallo...

Linux Distros Unpatched Vulnerability : CVE-2026-80906

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: packet: fix wrong transportheader when sending VLAN-tagged frame In packetparseheaders, when processing a VLAN-tagged frame, skbsetnetworkheader is called ...

CVE-2026-80841: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/packet: defer vmalloc TXRING free until skbs finish AFPACKET TXRING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backed ring blocks after pgvec is freed, but they do not preserve a vmallo...

Linux Distros Unpatched Vulnerability : CVE-2026-80841

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/packet: defer vmalloc TXRING free until skbs finish AFPACKET TXRING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backe...

CVE-2026-74667 net/packet: reset the MAC header on the packet-socket transmit path

In the Linux kernel, the following vulnerability has been resolved: net/packet: reset the MAC header on the packet-socket transmit path packetparseheaders resets the MAC header only for a SOCKRAW frame whose socket did not bind a protocol. A protocol-bound SOCKRAW socket, any SOCKDGRAM frame, and...

CVE-2026-74667: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/packet: reset the MAC header on the packet-socket transmit path packetparseheaders resets the MAC header only for a SOCKRAW frame whose socket did not bind a protocol. A protocol-bound SOCKRAW socket, any SOCKDGRAM frame, and...

Linux Distros Unpatched Vulnerability : CVE-2026-74667

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/packet: reset the MAC header on the packet-socket transmit path packetparseheaders resets the MAC header only for a SOCKRAW frame whose socket did not bind ...

net/packet: avoid fanout hook re-registration after unregister

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CVE-2026-68338

In the Linux kernel, the following vulnerability has been resolved: net/packet: avoid fanout hook re-registration after unregister packetsetring temporarily detaches a socket from packet delivery while reconfiguring its ring. It records the previous running state, clears po-num, unregisters the...

CVE-2026-68338

In the Linux kernel, the following vulnerability has been resolved: net/packet: avoid fanout hook re-registration after unregister packetsetring temporarily detaches a socket from packet delivery while reconfiguring its ring. It records the previous running state, clears po-num, unregisters the...

EUVD-2026-55439

In the Linux kernel, the following vulnerability has been resolved: net/packet: avoid fanout hook re-registration after unregister packetsetring temporarily detaches a socket from packet delivery while reconfiguring its ring. It records the previous running state, clears po-num, unregisters the...

The vulnerability in the `net/packet/af_packet.c` component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the net/packet/afpacket.c component of the Linux operating system is related to the use of memory after it has been freed. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-68338: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/packet: avoid fanout hook re-registration after unregister packetsetring temporarily detaches a socket from packet delivery while reconfiguring its ring. It records the previous running state, clears po-num, unregisters the...

CVE-2026-10638

subsys/net/ip/icmpv6.c reads the network interface from a netpkt after that packet has been handed to nettrysenddata. In icmpv6handleechorequest and neticmpv6senderror, the post-send statistics update calls netpktifacereply/netpktifacepkt on the just-sent packet. The send path nettrysenddata -...

CVE-2026-10637

subsys/net/ip/ipv6mld.c:mldsend read the packet interface via netpktifacepkt after netsenddatapkt returned successfully. Per the network stack's ownership contract include/zephyr/net/netcore.h, and the explicit warning in subsys/net/ip/netcore.c:453-460 'do not use pkt after that call', a...

EUVD-2026-37115

subsys/net/ip/icmpv6.c reads the network interface from a netpkt after that packet has been handed to nettrysenddata. In icmpv6handleechorequest and neticmpv6senderror, the post-send statistics update calls netpktifacereply/netpktifacepkt on the just-sent packet. The send path nettrysenddata -...

CVE-2026-10637 Use-after-free of `net_pkt` in IPv6 MLD send path triggerable by a link-local MLD Query

subsys/net/ip/ipv6mld.c:mldsend read the packet interface via netpktifacepkt after netsenddatapkt returned successfully. Per the network stack's ownership contract include/zephyr/net/netcore.h, and the explicit warning in subsys/net/ip/netcore.c:453-460 'do not use pkt after that call', a...

CVE-2026-10637

CVE-2026-10637 describes a use-after-free in Zephyr’s IPv6 MLD path: after net_send_data(pkt) returns, the code reads net_pkt_iface(pkt) from a freed net_pkt, risking NULL or stale pointers and potential crash or memory corruption. The root cause is violating the network stack ownership contract;...

CVE-2026-10636 Use-after-free in Zephyr IPv4 IGMP send path (`igmp_send`)

In Zephyr's IPv4 IGMP implementation, igmpsend in subsys/net/ip/igmp.c read the network interface back out of the packet via netpktifacepkt after the packet had been handed to netsenddata. On the successful-send path the packet's last reference may already have been released by the L2 driver or b...