Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevents perpetual tunnel growth. Similar to the ipv4tunnel, the ipv6 version also updates dev-neededheadroom. While the growth of tunnel headroom adjustment in the commit 5ae1e9922bbd “net: iptunnel”: prevents...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011396)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011396 advisory. In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates...

CVE-2026-23140 bpf, test_run: Subtract size of xdp_frame from allowed metadata size

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2025-71085 ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...

EUVD-2025-124910

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

CVE-2025-40173

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

AZL-70019 CVE-2025-40173 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

UBUNTU-CVE-2025-40173

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

CVE-2025-40173 net/ip6_tunnel: Prevent perpetual tunnel growth

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

CVE-2025-40173 net/ip6_tunnel: Prevent perpetual tunnel growth

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

CVE-2025-40173

CVE-2025-40173 affects Linux kernel net/ip6_tunnel, which could allow perpetual tunnel headroom growth. The fix mirrors the IPv4 patch by applying a headroom limit to the IPv6 tunnel (no ceiling previously). Connected advisories show mitigation via kernel updates (AL2 ALAS-2026-3161 and related k...