Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the tunneling device MTU value not being integrity-checked, which could result in an underflow value...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992383)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992383 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992240)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992240 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger...

Linux Distros Unpatched Vulnerability : CVE-2022-50253

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit:...

CVE-2022-50253

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

DEBIAN-CVE-2022-50253

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

UBUNTU-CVE-2022-50253

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

CVE-2022-50253 bpf: make sure skb->len != 0 when redirecting to a tunneling device

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

CVE-2022-50253

CVE-2022-50253 is a Linux kernel issue where bpf code did not ensure skb->len was non-zero when redirecting to a tunneling device, leading to a length underflow/invalid skb handling path after __skb_pull in certain redirect paths. The vulnerability is exploited via BPF/XDP filtering paths that...

CVE-2022-50253 bpf: make sure skb->len != 0 when redirecting to a tunneling device

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly handling the case where skb-len is zero, which could cause a warning to be triggered when the...

PT-2025-37507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw was discovered in the Linux kernel related to the handling of socket buffers skb when redirecting packets to a tunneling device. Specifically, the issue arises when the skb-len...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a data contention in the tunneling device's lockless access to dev-neededheadroom...

GSD-2023-1000585 bpf: make sure skb->len != 0 when redirecting to a tunneling device

bpf: make sure skb-len != 0 when redirecting to a tunneling device This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.16 by commit...

PT-2023-34093 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.86 Description: The issue is related to the bpf component in the Linux Kernel, specifically when redirecting to a tunneling device. It ensures that skb-len is not equal to 0. The actual impact and attack...

kernel: denial of service via ioctl call in network tun handling

A flaw was found in the Linux kernel's implementation of networking tunnel device ioctl. A local attacker can cause a denial of service NULL pointer dereference and panic via an ioctl TUNSETIFF call with a dev name containing a / character...