SUSE CVE-2026-46266

In the Linux kernel, the following vulnerability has been resolved: inet: RAW sockets using IPPROTORAW MUST drop incoming ICMP Yizhou Zhao reported that simply having one RAW socket on protocol IPPROTORAW 255 was dangerous. socketAFINET, SOCKRAW, 255; A malicious incoming ICMP packet can set the...

CVE-2026-45844 netfilter: arp_tables: fix IEEE1394 ARP payload parsing

In the Linux kernel, the following vulnerability has been resolved: netfilter: arptables: fix IEEE1394 ARP payload parsing Weiming Shi says: "arppacketmatch unconditionally parses the ARP payload assuming two hardware addresses are present source and target. However, IPv4-over-IEEE1394 ARP RFC 27...

netfilter: xt_CT: drop pending enqueued packets on template removal

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SUSE CVE-2026-23095

In the Linux kernel, the following vulnerability has been resolved: gue: Fix skb memleak with inner IP protocol 0. syzbot reported skb memleak below. 0 The repro generated a GUE packet with its inner protocol 0. gueudprecv returns -guehdr-protoctype for "resubmit" in ipprotocoldeliverrcu, but thi...

UBUNTU-CVE-2026-23095

In the Linux kernel, the following vulnerability has been resolved: gue: Fix skb memleak with inner IP protocol 0. syzbot reported skb memleak below. 0 The repro generated a GUE packet with its inner protocol 0. gueudprecv returns -guehdr-protoctype for "resubmit" in ipprotocoldeliverrcu, but thi...

EUVD-2026-5447

In the Linux kernel, the following vulnerability has been resolved: gue: Fix skb memleak with inner IP protocol 0. syzbot reported skb memleak below. 0 The repro generated a GUE packet with its inner protocol 0. gueudprecv returns -guehdr-protoctype for "resubmit" in ipprotocoldeliverrcu, but thi...

CVE-2026-23095

In the Linux kernel, the following vulnerability has been resolved: gue: Fix skb memleak with inner IP protocol 0. syzbot reported skb memleak below. 0 The repro generated a GUE packet with its inner protocol 0. gueudprecv returns -guehdr-protoctype for "resubmit" in ipprotocoldeliverrcu, but thi...

CVE-2026-23095 gue: Fix skb memleak with inner IP protocol 0.

In the Linux kernel, the following vulnerability has been resolved: gue: Fix skb memleak with inner IP protocol 0. syzbot reported skb memleak below. 0 The repro generated a GUE packet with its inner protocol 0. gueudprecv returns -guehdr-protoctype for "resubmit" in ipprotocoldeliverrcu, but thi...

CVE-2025-68729

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix MSDU buffer types handling in RX error path Currently, packets received on the REO exception ring from unassociated peers are of MSDU buffer type, while the driver expects link descriptor type packets. These...

CVE-2025-68362 wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187_rx_cb()

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187rxcb The rtl8187rxcb calculates the rx descriptor header address by subtracting its size from the skb tail pointer. However, it does not validate if the received...

CVE-2023-53535 net: bcmgenet: Add a check for oversized packets

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Add a check for oversized packets Occasionnaly we may get oversized packets from the hardware which exceed the nomimal 2KiB buffer size we allocate SKBs with. Add an early check which drops the packet to avoid...

Configure the iptables Policies for Loopback Properly

The loopback address 127.0.0.0/8 is a special address on a server. It is irrelevant to NICs and is mainly used for the inter-process communication of a local device. Packets with the source address 127.0.0.0/8 from NICs should be discarded. If policies related to the loopback address are improper...

AZL-47804 CVE-2023-52889 affecting package kernel for versions less than 6.6.47.1-1

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix null pointer deref when receiving skb during sock creation The panic below is observed when receiving ICMP packets with secmark set while an ICMP raw socket is being created. SKCTXsk-label is updated in...

kernel: net: amd-xgbe: Fix skb data length underflow

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fix skb data length underflow There will be BUGON triggered in include/linux/skbuff.h leading to intermittent kernel panic, when the skb length underflow is detected. Fix this by dropping the packet if such length...

tinc -- Buffer overflow

tinc-vpn.org reports: Drop packets forwarded via TCP if they are too big...