Linux Distros Unpatched Vulnerability : CVE-2026-64545

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that help...

UBUNTU-CVE-2026-64545

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

EUVD-2026-49596

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64545

The CVE-2026-64545 issue is in the Linux kernel’s XDP path: xdp_master_redirect() dereferences the result of netdev_master_upper_dev_get_rcu() without checking for NULL. The helper can return NULL when the receiving device has no upper-master adjacency, and a race window during bond slave release...

CVE-2026-64545 net, bpf: check master for NULL in xdp_master_redirect()

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64545 net, bpf: check master for NULL in xdp_master_redirect()

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64545

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

PT-2026-65220

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdp master redirect xdp master redirect dereferences the result of netdev master upper dev get rcu without a NULL check, but that helper returns NULL when the receiving device has no upper-maste...

SUSE CVE-2026-64355

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

CVE-2026-64355

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

UBUNTU-CVE-2026-64355

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

CVE-2026-64355 bpf: Reject fragmented frames in devmap

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

Linux Distros Unpatched Vulnerability : CVE-2026-64355

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies onl...

K000162379: Linux Kernel vulnerabilities CVE-2026-23310, CVE-2026-23336, CVE-2026-23340, and CVE-2026-23343

Security Advisory Description CVE-2026-23310 In the Linux kernel, the following vulnerability has been resolved: bpf/bonding: reject vlan+srcmac xmithashpolicy change when XDP is loaded bondoptionmodeset already rejects mode changes that would make a loaded XDP program incompatible via...

CVE-2026-64035

A flaw was found in the Linux kernel's igc network driver. The igcfpeinitsmdframe function, responsible for initializing transmit TX buffer fields for Stream-based Data SMD frames, does not correctly set the buffer type. This can result in stale XDP eXpress Data Path or XSK AFXDP socket types...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract the size of xdpframe from the allowed metadata size. The xdpframe structure occupies part of the XDP frame header space, thereby limiting the size of the metadata. However, in bpftestrun, we do not take thi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed a reference count leak in bpfprogtestrunxdp syzbot reports: unregisternetdevice: Waiting for sit0 to become available. Usage count = 2. A debug printk patch revealed that a reference count is obtained at...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xsk: Fixed a race condition in the AFXDP generic RX path. The rxlock function was moved from xsksocket to xskbuffpool. Synchronization issues were fixed for the shared umem mode in the generic RX path, where multiple sockets...

SUSE CVE-2026-53094

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stale offload-prog pointer after constant blinding When a dev-bound-only BPF program BPFFXDPDEVBOUNDONLY undergoes JIT compilation with constant blinding enabled bpfjitharden = 2, bpfjitblindconstants clones the program...

SUSE-SU-2026:2238-1 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-2023-20585: x86/CPU: Fix FPDSS on Zen1 bsc1243603. - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. -...