Linux Distros Unpatched Vulnerability : CVE-2026-53175

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - inet: frags: fix use-after-free caused by the fqdirpreexit flush On netns teardown, fqdirpreexit walks the fqdir rhashtable and flushes every fragment queue tha...

CVE-2026-53175 inet: frags: fix use-after-free caused by the fqdir_pre_exit() flush

In the Linux kernel, the following vulnerability has been resolved: inet: frags: fix use-after-free caused by the fqdirpreexit flush On netns teardown, fqdirpreexit walks the fqdir rhashtable and flushes every fragment queue that is not yet complete using inetfragqueueflush. That helper frees all...

Linux Distros Unpatched Vulnerability : CVE-2026-53089

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix use-after-free in offloaded map/prog info fill When querying info for an offloaded BPF map or program, bpfmapoffloadinfofillns and...

EUVD-2026-38957

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in offloaded map/prog info fill When querying info for an offloaded BPF map or program, bpfmapoffloadinfofillns and bpfprogoffloadinfofillns obtain the network namespace with getnetdevnetoffmap-netdev...

CVE-2026-53089

The CVE-2026-53089 issue concerns the Linux kernel BPF offload info retrieval for maps/programs. When querying offloaded map/prog info, the code previously called get_net(dev_net(offmap->netdev)) to obtain the network namespace, which could race with netns destruction. If the netns refcount ha...

PT-2026-51983

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists when querying information for an offloaded BPF map or program. The functions bpf map offload info fill ns and bpf prog offload info fill ns use get netdev...

CVE-2026-52909

A flaw was found in the Linux kernel, specifically within the IPv6 Virtual Tunnel Interface ip6vti component. This vulnerability occurs because a critical flag, netnsimmutable, is not properly set on a specific network device ip6vti0 when it is initialized. This oversight could allow the device t...

SUSE-SU-2026:2482-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38549: efivarfs: Fix memory leak of efivarfsfsinfo in fscontext error paths bsc1248235. - CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished...

Linux Distros Unpatched Vulnerability : CVE-2026-52909

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns...

CVE-2026-52909

The CVE-2026-52909 issue affects the Linux kernel’s IPv6 Virtual Tunnel Interface (ip6_vti) fallback device: ip6_vti0 may be movable between network namespaces because netns_immutable is not set during initialisation. Multiple connected advisories confirm this root cause and indicate patches have...

OESA-2026-2496 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: Revert "smb: client: fix TCP timers deadlock after rmmod" This reverts commit e9f2517a3e18a54a3943c098d2226b245d488801. Commit e9f2517a3e18 "smb: client: fix TCP...

Linux Distros Unpatched Vulnerability : CVE-2026-46120

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 net: ipv6: Use link netns in newlink of rtnllinkops, ip6erspannewlink correctly...

UBUNTU-CVE-2026-46120

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

CVE-2026-46120

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

CVE-2026-46120

Concrete details found: CVE-2026-46120 affects the Linux kernel ip6_gre machinery. The issue is in ip6erspan_changelink(), which wrongly uses dev_net(dev) instead of the correct per-netns hash resolved by link_net, after a patch series that fixed per-netns resolution in ip6erspan_newlink(). This ...

EUVD-2026-32879

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pfcp: The device is destroyed along with the udp socket’s netns structure. The pfcpnewlink function links the device to a specific netns in devnet instead of net, where an udp tunnel socket is created. Even when net is removed, t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: Fixed an issue where a use-after-free occurred in net in reqsktimerhandler. syzkaller reported a warning regarding the netns tracker 0, followed by KASAN, SPLAT 1, and another ref tracker warning 1. syzkaller was unable...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tcp: Prevent concurrent execution of tcpskexitbatch It is possible that two threads call tcpskexitbatch concurrently. This could happen either from the cleanupnetworkqueue or from a task that fails to clone a new netns. In the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: double hook unregistration in netns path nftreleasehooks is called from the prenetns exit path, which unregisters the hooks. Then, the NETDEVUNREGISTER event is triggered, which unregisters the hooks again...