CVE-2026-53070 sctp: disable BH before calling udp_tunnel_xmit_skb()

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda "add xmit recursion limit to tunnel xmit functions", on the path:...

Unbreakable Enterprise kernel security update

6.12.0-200.74.27.2 - ipv6: use RCU in ip6xmit Eric Dumazet Orabug: 39186444 CVE-2025-40135 - netfilter: nftables: fix use-after-free in nftablesaddchain Inseo An Orabug: 39181102 CVE-2026-23231 - dst: fix races in rt6uncachedlistdel and rtdeluncachedlist Eric Dumazet Orabug: 39181101 CVE-2026-230...

Moderate: kernel-rt security 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: vsock/vmci: Clear the vmci transport packet properly when initializing it CVE-2025-38403 kernel: net: use dstdevrcu in sksetupcaps...

kernel: ipv6: use RCU in ip6_xmit()

A use-after-free flaw was found in ip6autoflowlabel in the Linux kernel's net/ipv6/ip6output.c code. In this flaw an attacker can cause a denial of service DoS attack...

CVE-2025-40135

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6xmit Use RCU in ip6xmit in order to use dstdevrcu to prevent possible UAF...

SUSE CVE-2024-44985

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UAF in ip6xmit If skbexpandhead returns NULL, skb has been freed and the associated dst/idev could also have been freed. We must use rcureadlock to prevent a possible UAF...