Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Properly handles tunneled traffic when using GSO fallback for IPV6CSUM. NETIFFIPV6CSUM only indicates support for packet checksum offloading without IPv6 extension headers. Packets with extension headers must rely on...

Linux kernel nft_inner: IPv6 inner_thoff desynchronization causes firewall bypass

Linux kernel nftinner: IPv6 innerthoff desynchronization causes firewall bypass Vulnerability Overview In the Linux kernel netfilter nftables inner expression, when parsing an inner IPv6 packet, ipv6findhdr first correctly computes the transport-layer offset including extension headers, but the...

SUSE CVE-2026-43057

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

CVE-2026-43057

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

CVE-2026-43057

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

CVE-2026-43057

CVE-2026-43057 concerns the Linux kernel networking stack. The issue arises in how IPv6 traffic with extension headers or with no inner IP protocol is processed when using IPV6_CSUM GSO fallback. The fix, described in the CVE entry and corroborated by Debian/Red Hat advisories, changes the fallba...

EUVD-2026-26656

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

CVE-2026-43057

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

CVE-2026-43057 net: correctly handle tunneled traffic on IPV6_CSUM GSO fallback

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

CVE-2026-43057: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

PT-2026-36474

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the network subsystem regarding the handling of tunneled traffic during IPV6 CSUM GSO fallback. The NETIF F IPV6 CSUM flag only supports checksum offload for packets...