CVE-2026-90111

A flaw was found in the Linux kernel's IPv6 multicast routing ip6mr component. This use-after-free vulnerability occurs when a non-refcounted destination entry is improperly handled after being freed. A remote attacker could potentially exploit this by sending specially crafted IPv6 multicast...

SUSE CVE-2026-90111

In the Linux kernel, the following vulnerability has been resolved: ip6mr: do not clone dst in ip6mrcachereport IPv6 input attaches a non-refcounted NOREF dst to skbs under RCU. When an ingress multicast packet misses MFC lookup, ip6mrcacheunresolved places the skb onto the unresolved queue,...

Linux Distros Unpatched Vulnerability : CVE-2026-90111

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip6mr: do not clone dst in ip6mrcachereport IPv6 input attaches a non-refcounted NOREF dst to skbs under RCU. When an ingress multicast packet misses MFC lookup...

DEBIAN-CVE-2026-90111

In the Linux kernel, the following vulnerability has been resolved: ip6mr: do not clone dst in ip6mrcachereport IPv6 input attaches a non-refcounted NOREF dst to skbs under RCU. When an ingress multicast packet misses MFC lookup, ip6mrcacheunresolved places the skb onto the unresolved queue,...

CVE-2026-90111

CVE-2026-90111 is a slab use-after-free in the Linux kernel's IPv6 multicast routing (ip6mr) subsystem. When an ingress multicast packet misses the MFC lookup, the skb is queued on the unresolved queue, escaping the receive-side RCU grace period. If the underlying route is subsequently deleted an...

CVE-2026-90111 ip6mr: do not clone dst in ip6mr_cache_report()

In the Linux kernel, the following vulnerability has been resolved: ip6mr: do not clone dst in ip6mrcachereport IPv6 input attaches a non-refcounted NOREF dst to skbs under RCU. When an ingress multicast packet misses MFC lookup, ip6mrcacheunresolved places the skb onto the unresolved queue,...

CVE-2026-90111 ip6mr: do not clone dst in ip6mr_cache_report()

In the Linux kernel, the following vulnerability has been resolved: ip6mr: do not clone dst in ip6mrcachereport IPv6 input attaches a non-refcounted NOREF dst to skbs under RCU. When an ingress multicast packet misses MFC lookup, ip6mrcacheunresolved places the skb onto the unresolved queue,...

CVE-2026-90111: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ip6mr: do not clone dst in ip6mrcachereport IPv6 input attaches a non-refcounted NOREF dst to skbs under RCU. When an ingress multicast packet misses MFC lookup, ip6mrcacheunresolved places the skb onto the unresolved queue,...

PT-2026-94459

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab use-after-free occurs in the IPv6 multicast routing component. When an ingress multicast packet misses the Multicast Forwarding Cache MFC lookup, the ip6mr cache unresolved functi...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005746)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005746 advisory. In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005666)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005666 advisory. In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005459)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005459 advisory. In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56...

SUSE SLES15 : Security update for the Linux Kernel (SUSE-SU-2025:4320-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4320-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: -...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992585)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992585 advisory. In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skbunderpanic in ip6mrcachereport skbuff: skbunderpanic: text:ffffffff88771f69 len:56...

kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()

A buffer underwrite vulnerability exists in the linux kernel in the function skbunderpanic in ip6mrcachereport, leading to an attacker, via crafting a payload, could result in damage to system availability and integrity...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()

A buffer underwrite vulnerability exists in the linux kernel in the function skbunderpanic in ip6mrcachereport, leading to an attacker, via crafting a payload, could result in damage to system availability and integrity...

RHEL 7 : kernel (RHSA-2025:22910)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22910 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use after free flaw in...

Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50116: Update config files. Disable NGSM bsc1244824 jscPED-8240. CVE-2022-50252: igb: Do not free qvector unless new one was allocated bsc1249846. CVE-2022-50381:...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...