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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, testrun: Fixed an alignment issue in bpfprogtestrunskb. We encountered a syzkaller issue due to an alignment fault for aarch64 architectures when KFENCE is enabled. When the size provided by the user’s bpf program is an o...

Linux Distros Unpatched Vulnerability : CVE-2026-53074

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: reject short IPv4/IPv6 inputs in bpfprogtestrunskb bpfprogtestrunskb calls ethtypetrans first and then uses skb-protocol to initialize sk family and addres...

EUVD-2026-38979

In the Linux kernel, the following vulnerability has been resolved: bpf: testrun: Fix the null pointer dereference issue in bpflwtxmitpushencap The bpflwtxmitpushencap helper needs to access skbdstskb-dev to calculate the needed headroom: err = skbcowheadskb, len + LLRESERVEDSPACEskbdstskb-dev; B...

CVE-2026-53074 bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb

In the Linux kernel, the following vulnerability has been resolved: bpf: reject short IPv4/IPv6 inputs in bpfprogtestrunskb bpfprogtestrunskb calls ethtypetrans first and then uses skb-protocol to initialize sk family and address fields for the test run. For IPv4 and IPv6 packets, it may access...

SUSE CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

Linux Distros Unpatched Vulnerability : CVE-2026-23140

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

UBUNTU-CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

SUSE CVE-2026-22994

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix reference count leak in bpfprogtestrunxdp syzbot is reporting unregisternetdevice: waiting for sit0 to become free. Usage count = 2 problem. A debug printk patch found that a refcount is obtained at xdpconvertmdtobuff fr...

CVE-2026-22994

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix reference count leak in bpfprogtestrunxdp syzbot is reporting unregisternetdevice: waiting for sit0 to become free. Usage count = 2 problem. A debug printk patch found that a refcount is obtained at xdpconvertmdtobuff fr...

CVE-2026-22994

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix reference count leak in bpfprogtestrunxdp syzbot is reporting unregisternetdevice: waiting for sit0 to become free. Usage count = 2 problem. A debug printk patch found that a refcount is obtained at xdpconvertmdtobuff fr...

CVE-2026-22994 bpf: Fix reference count leak in bpf_prog_test_run_xdp()

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix reference count leak in bpfprogtestrunxdp syzbot is reporting unregisternetdevice: waiting for sit0 to become free. Usage count = 2 problem. A debug printk patch found that a refcount is obtained at xdpconvertmdtobuff fr...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21867)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21867 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue i...

CVE-2025-40123

In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expectedattachtype for tailcall compatibility Yinhao et al. recently reported: Our fuzzer tool discovered an uninitialized pointer issue in the bpfprogtestrunxdp function within the Linux kernel's BPF subsystem. This...

Linux Distros Unpatched Vulnerability : CVE-2022-49840

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix alignment problem in bpfprogtestrunskb We got a syzkaller problem because ...

CLSA-2025-1749568993 kernel: Fix of 24 CVEs

vsock: Keep the binding until socket destruction CVE-2025-21756 - mt76: fix use-after-free by removing a non-RCU wcid pointer CVE-2022-49328 - bpf, testrun: Fix alignment problem in bpfprogtestrunskb CVE-2022-49840 - ASoC: core: Fix use-after-free in sndsocexit CVE-2022-49842 - net: sched: Fix...

kernel: bpf: Remove tst_run from lwt_seg6local_prog_ops.

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter subsystem. This vulnerability allows BPF operations related to lwtseg6localprogops to be invoked via bpftestrun without proper initialization of a critical per-CPU variable. This could lead to a denial of service...