Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed a use-after-free in the neigh update handler for the encap entry. The function mlx5erepneighupdate was not updated to accommodate the removal of the rtnl lock from the TC filter update path, and it did not...

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

In the Linux kernel, the following vulnerabilities have been resolved: rose: Fixed dangling neighbor pointer issues in rosertdevicedown. There are two bugs in rosertdevicedown that can lead to use-after-free situations: 1. The loop variable t-count is modified within the loop, which can cause the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mctp: Fixed an error handling path in mctpinit. If mctpneighinit returns an error, the route resources should be released during the error handling path. Otherwise, some resources may be leaked...

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

In the Linux kernel, the following vulnerability has been resolved: The neighnotify function can be called without RTNL or RCU protection. Use RCU protection to avoid potential Universal Atomic Faults UAF...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - mctp i2c: Handle the NULL header address. - daddr can be NULL if there is no neighbour table entry present; in that case, the TX packet should be discarded. - saddr is usually set by the MCTP core, but check for NULL in case...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/smc: The issue of neighbor data leaks and rtable leaks in smcibfindroute has been fixed. In smcibfindroute, the neighbor data found by neighlookup and the rtable data resolved by iprouteoutputflow are not properly released or...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: The neighbour field allows NUDNOARP entries to be forced to be garbage-collected. IFFPOINTOPOINT interfaces use NUDNOARP entries for IPv6. It’s possible to fill up the neighbour table with enough entries that it will overflow for...

AZL-99428 CVE-2026-80792 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix use-after-free in ip6finishoutput2 ip6finishoutput2 caches a pointer to the IPv6 destination address daddr before invoking lwtunnelxmit. The LWT-BPF transmit path or other encapsulation operations within lwtunnelxmit ca...

CVE-2026-80792

CVE-2026-80792 is a use-after-free vulnerability in the Linux kernel 's IPv6 output path. In ip6_finish_output2(), a pointer to the IPv6 destination address (daddr ) is cached before calling lwtunnel_xmit(). Because the LWT-BPF transmit path or other encapsulation operations can reallocate the sk...

PT-2026-85633

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix use-after-free in ip6 finish output2 ip6 finish output2 caches a pointer to the IPv6 destination address daddr before invoking lwtunnel xmit. The LWT-BPF transmit path or other encapsulation operations within lwtunnel...

Linux Distros Unpatched Vulnerability : CVE-2026-80792

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: fix use-after-free in ip6finishoutput2 ip6finishoutput2 caches a pointer to the IPv6 destination address daddr before invoking lwtunnelxmit. The LWT-BPF...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098713)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098713 advisory. In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumrouter: Fix neighbour use-after-free We sometimes observe use-after-free when...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098943)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098943 advisory. In the Linux kernel, the following vulnerability has been resolved: neigh: let neighxmit take skb ownership neighxmit always releases the skb, except when no neighbo...

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: mlxsw: spectrumrouter: Fix neighbor use-after-free We sometimes encounter situations where a use-after-free occurs when dereferencing a neighbor pointer. The issue seems to arise because the driver stores a pointer to the neighbo...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: The cleanup of neighbor information has been moved to the profile cleanuptx callback. For IP tunnel encapsulation in ECMP Equal-Cost Multipath mode, since the flow is duplicated to the peer eswitch, the related neighbo...

AZL-96015 CVE-2026-74475 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: vxlan: use neighhasnapshot in routeshortcircuit The neighbour hardware address n-ha can be updated asynchronously by the neighbour subsystem, protected by n-halock seqlock. Reading n-ha without holding the seqlock loop can lead t...

CVE-2026-74475

In the Linux kernel, the following vulnerability has been resolved: vxlan: use neighhasnapshot in routeshortcircuit The neighbour hardware address n-ha can be updated asynchronously by the neighbour subsystem, protected by n-halock seqlock. Reading n-ha without holding the seqlock loop can lead t...

CVE-2026-74475 vxlan: use neigh_ha_snapshot() in route_shortcircuit()

In the Linux kernel, the following vulnerability has been resolved: vxlan: use neighhasnapshot in routeshortcircuit The neighbour hardware address n-ha can be updated asynchronously by the neighbour subsystem, protected by n-halock seqlock. Reading n-ha without holding the seqlock loop can lead t...

CVE-2026-74475 vxlan: use neigh_ha_snapshot() in route_shortcircuit()

In the Linux kernel, the following vulnerability has been resolved: vxlan: use neighhasnapshot in routeshortcircuit The neighbour hardware address n-ha can be updated asynchronously by the neighbour subsystem, protected by n-halock seqlock. Reading n-ha without holding the seqlock loop can lead t...

EUVD-2026-59668

In the Linux kernel, the following vulnerability has been resolved: vxlan: use neighhasnapshot in routeshortcircuit The neighbour hardware address n-ha can be updated asynchronously by the neighbour subsystem, protected by n-halock seqlock. Reading n-ha without holding the seqlock loop can lead t...