CVE-2022-50780 net: fix UAF issue in nfqnl_nf_hook_drop() when ops_init() failed

In the Linux kernel, the following vulnerability has been resolved: net: fix UAF issue in nfqnlnfhookdrop when opsinit failed When the opsinit interface is invoked to initialize the net, but ops-init fails, data is released. However, the ptr pointer in net-gen is invalid. In this case, when...

CVE-2023-53992 wifi: cfg80211: ocb: don't leave if not joined

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: ocb: don't leave if not joined If there's no OCB state, don't ask the driver/mac80211 to leave, since that's just confusing. Since set/clear the chandef state, that's a simple check...

CVE-2025-68379 RDMA/rxe: Fix null deref on srq->rq.queue after resize failure

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix null deref on srq-rq.queue after resize failure A NULL pointer dereference can occur in rxesrqchkattr when ibvmodifysrq is invoked twice in succession under certain error conditions. The first call may fail in...

CVE-2025-68360 wifi: mt76: wed: use proper wed reference in mt76 wed driver callabacks

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: wed: use proper wed reference in mt76 wed driver callabacks MT7996 driver can use both wed and wedhif2 devices to offload traffic from/to the wireless NIC. In the current codebase we assume to always use the primary w...

PT-2025-53143

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak exists in the xgmiitorgmii probe function within the networking subsystem of the Linux kernel. The of phy find device function returns a device node with an...

The vulnerability in the implementation of IPSec protocols for Cisco SD-WAN vEdge software allows a attacker to induce a service failure.

The vulnerability of the implementation of IPSec protocol-based microprogramming software for Cisco SD-WAN vEdge routers is related to buffer overflow attacks. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-50253: bpf: make sure skb-len != 0 when redirecting to a tunneling device bsc1249912. CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in...

SUSE-SU-2026:20012-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2022-50253: bpf: make sure skb-len != 0 when redirecting to a tunneling device bsc1249912. - CVE-2025-37916: pdscore: remove write-after-free of clientid bsc1243474. -...

[SECURITY] Fedora 43 Update: containernetworking-plugins-1.9.0-1.fc43

Reference and example networking plugins, maintained by the CNI team. The CNI Container Network Interface project consists of a specification and libraries for writing plugins to configure network interfaces in Linux containers, along with a number of supported plugins. CNI concerns itself only...

[SECURITY] Fedora 42 Update: containernetworking-plugins-1.9.0-1.fc42

Reference and example networking plugins, maintained by the CNI team. The CNI Container Network Interface project consists of a specification and libraries for writing plugins to configure network interfaces in Linux containers, along with a number of supported plugins. CNI concerns itself only...

[SECURITY] Fedora 43 Update: nebula-1.10.0-2.fc43

A scalable overlay networking tool with a focus on performance, simplicity and security...

EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2025-2581)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : KVM: VMX: Do all initialization before exposing /dev/kvm to userspaceCVE-2022-49932 drivers:md:fix a potential use-after-free...

kernel: net: sched: sfb: fix null pointer access issue when sfb_init() fails

A null pointer dereference exists in the linux kernel, such that when sfbinit fails qdisc is NULL, and it will cause gpf issue, leading to damage to the availability of the system...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7939-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7939-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor...

USN-7939-2 linux-azure-fips vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7939-1 linux-azure, linux-azure-5.4 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

EUVD-2025-203757

In the Linux kernel, the following vulnerability has been resolved: usbnet: Prevents free active kevent The root cause of this issue are: 1. When probing the usbnet device, executing usbnetlinkchangedev, 0, 0; put the kevent work in global workqueue. However, the kevent has not yet been scheduled...

Security Bulletin: Vulnerability in Java SE affects IBM Netezza Appliance

Summary The Java SE package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEs CVE-2024-21208, CVE-2024-21210, CVE-2024-21217, CVE-2024-21235 Vulnerability Details CVEID:CVE-2024-21208 DESCRIPTION: Vulnerability in Java SE component: Networking. Difficult t...

Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-7930-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7930-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Thinking Outside The Box [dusted off draft from 2017]

Posted by Jann Horn Preface Hello from the future! This is a blogpost I originally drafted in early 2017. I wrote what I intended to be the first half of this post about escaping from the VM to the VirtualBox host userspace process with CVE-2017-3558, but I never got around to writing the second...