Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfrm: fixed the race condition in ipRtbug for icmpRouteLookup reverse path icmpRouteLookup performs multiple route lookups to find a suitable route for sending ICMP error messages, with special handling for XFRM IPsec policies. T...

UBUNTU-CVE-2026-45905

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix iprtbug race in icmproutelookup reverse path icmproutelookup performs multiple route lookups to find a suitable route for sending ICMP error messages, with special handling for XFRM IPsec policies. The lookup sequence i...

CVE-2026-45905

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix iprtbug race in icmproutelookup reverse path icmproutelookup performs multiple route lookups to find a suitable route for sending ICMP error messages, with special handling for XFRM IPsec policies. The lookup sequence i...

CVE-2026-45905

CVE-2026-45905 is a Linux kernel networking vulnerability in the xfrm/icmp_route_lookup reverse path. The race occurs during ICMP error handling when a concurrent address change may cause ip_route_input() to return a LOCAL route with a dst that can trigger a WARN_ON in ip_rt_bug. The fix checks t...

CVE-2026-45905 xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix iprtbug race in icmproutelookup reverse path icmproutelookup performs multiple route lookups to find a suitable route for sending ICMP error messages, with special handling for XFRM IPsec policies. The lookup sequence i...

CVE-2026-45905 xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix iprtbug race in icmproutelookup reverse path icmproutelookup performs multiple route lookups to find a suitable route for sending ICMP error messages, with special handling for XFRM IPsec policies. The lookup sequence i...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a race condition in the reverse path handling during ICMP routing searches. This vulnerability ma...

Linux Distros Unpatched Vulnerability : CVE-2026-45905

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: fix iprtbug race in icmproutelookup reverse path icmproutelookup performs multiple route lookups to find a suitable route for sending ICMP error messages,...

SUSE-SU-2026:20858-1 Security update for the Linux Kernel (Live Patch 6 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-28.1 fixes various security issues The following security issues were fixed: - CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds bsc1257629. - CVE-2025-38488: smb: client: fix use-after-free in cryptmessag...

PT-2026-43772

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the icmp route lookup function during the reverse path process for sending ICMP error messages with XFRM IPsec policies. When the system acts as a forwarding...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001251)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001251 advisory. An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land an...

net: Fix icmp host relookup triggering ip_rt_bug

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kernel: net: Fix icmp host relookup triggering ip_rt_bug

A denial of service vulnerability was found in the Linux kernel. icmproutelookup creates input routes for locally generated packets during xfrm relookup ICMP traffic. Then it will set the input route dst-out = iprtbug to skb for DESTUNREACH, leading to loss of availability of the system...

AZL-54815 CVE-2024-56647 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering iprtbug arp link failure may trigger iprtbug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 iprtbug+0x14/0x20 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm...

CVE-2024-56647 net: Fix icmp host relookup triggering ip_rt_bug

In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering iprtbug arp link failure may trigger iprtbug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 iprtbug+0x14/0x20 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm...

CVE-2024-56647 net: Fix icmp host relookup triggering ip_rt_bug

In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering iprtbug arp link failure may trigger iprtbug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 iprtbug+0x14/0x20 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm...