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

In the Linux kernel, the following vulnerability has been resolved: rpl: Fix use-after-free in rpldosrhinline. Running lwtdstcacherefloop.sh in selftest with KASAN triggers the splat below 0. rpldosrhinline fetches ipv6hdrskb and accesses it after skbcowhead, which is illegal as the header could ...

CVE-2026-72442

A flaw was found in the Linux kernel's netfilter flowtable, which manages network packet processing. The system incorrectly handled IPv6-in-IPv6 IP6IP6 tunneled packets, specifically in how it processed the outer IPv6 header. This could lead to improper network traffic management, potentially...

CVE-2026-68127 ila: reload IPv6 header after pskb_may_pull in checksum adjust

In the Linux kernel, the following vulnerability has been resolved: ila: reload IPv6 header after pskbmaypull in checksum adjust ilacsumadjusttransport caches ip6h = ipv6hdrskb before calling pskbmaypull. On a non-linear skb whose transport header sits in a page fragment, pskbmaypull can call...

EUVD-2026-55508

In the Linux kernel, the following vulnerability has been resolved: ila: reload IPv6 header after pskbmaypull in checksum adjust ilacsumadjusttransport caches ip6h = ipv6hdrskb before calling pskbmaypull. On a non-linear skb whose transport header sits in a page fragment, pskbmaypull can call...

CVE-2026-68127

CVE-2026-68127 describes a Linux kernel flaw in the Identifier-Locator Addressing (ILA) subsystem where a slab-use-after-free can occur during IPv6 packet processing if a transport-header-based path is used. Specifically, ila_csum_adjust_transport() caches ip6h before pskb_may_pull(), and non-lin...

SUSE SLED15 / SLES15 Security Update : nmap (SUSE-SU-2026:3340-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3340-1 advisory. This update for nmap fixes the following issue: - CVE-2026-58058: crafted IPv6 response with a truncated extension head...

SUSE SLES12 Security Update : nmap (SUSE-SU-2026:3333-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:3333-1 advisory. This update for nmap fixes the following issue - CVE-2026-58058: crafted IPv6 response with a truncated extension header can trigger out-of-bounds read...

Security update for nmap

This update for nmap fixes the following issue: CVE-2026-58058: crafted IPv6 response with a truncated extension header can trigger out-of-bounds reads and a crash bsc1269570. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...

Linux Distros Unpatched Vulnerability : CVE-2026-63984

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: fix hdrlen overflow in ipv6rplsrhdecompress ipv6rplsrhdecompress computes:...

CVE-2026-63994

In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skbcow in iptunnelpmtudbuildicmpv6 Sashiko found that iptunnelpmtudbuildicmp and iptunnelpmtudbuildicmpv6 were caching iphdr and ipv6hdr before an skbcow call which can reallocate skb-head. Fix...

EUVD-2026-45817

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: refresh hdr pointer before ioam6event Reported by Sashiko: In ipv6hopioam, the hdr pointer is initialized to point into the skb's linear data buffer. Later, the code calls skbensurewritable, which might reallocate the...

CVE-2026-63994 tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]()

In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skbcow in iptunnelpmtudbuildicmpv6 Sashiko found that iptunnelpmtudbuildicmp and iptunnelpmtudbuildicmpv6 were caching iphdr and ipv6hdr before an skbcow call which can reallocate skb-head. Fix...

Linux Distros Unpatched Vulnerability : CVE-2026-53228

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: sit: reload inner IPv6 header after GSO offloads ipip6tunnelxmit caches the inner IPv6 header pointer at function entry and continues using it after...

CVE-2026-53228 ipv6: sit: reload inner IPv6 header after GSO offloads

In the Linux kernel, the following vulnerability has been resolved: ipv6: sit: reload inner IPv6 header after GSO offloads ipip6tunnelxmit caches the inner IPv6 header pointer at function entry and continues using it after iptunnelhandleoffloads. For GSO skbs, iptunnelhandleoffloads calls...

CVE-2026-53006

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in icmpv6rcv Caching saddr and daddr before pskbpull is problematic since skb-head can change. Remove these temporary variables: - We only access &ipv6;hdrskb-saddr and &ipv6;hdrskb-daddr when...

CVE-2026-53006 ipv6: fix possible UAF in icmpv6_rcv()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in icmpv6rcv Caching saddr and daddr before pskbpull is problematic since skb-head can change. Remove these temporary variables: - We only access &ipv6hdrskb-saddr and &ipv6hdrskb-daddr when netdbgratelimit...

PT-2026-46007

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.2 and later Description A desynchronization issue exists in the nft inner parse l2l3 function when processing inner IPv6 packets. While the ipv6 find hdr function correctly calculates the transport header offset by...

CVE-2026-31685 netfilter: ip6t_eui64: reject invalid MAC header for all packets

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6teui64: reject invalid MAC header for all packets eui64mt6 derives a modified EUI-64 from the Ethernet source address and compares it with the low 64 bits of the IPv6 source address. The existing guard only rejects ...

CVE-2025-15176 Open5GS PFCP Session Establishment Request rule-match.c ogs_pfcp_pdr_rule_find_by_packet assertion

A flaw has been found in Open5GS up to 2.7.5. This affects the function decodeipv6header/ogspfcppdrrulefindbypacket of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. Executing a manipulation can lead to reachable assertion. It is possible to launch the...

EUVD-2025-205559

A flaw has been found in Open5GS up to 2.7.5. This affects the function decodeipv6header/ogspfcppdrrulefindbypacket of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. Executing manipulation can lead to reachable assertion. It is possible to launch the...