CVE-2026-52940 tun: zero the whole vnet header in tun_put_user()

In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb, virtionethdrtnlfromskb only initializes the first 10 bytes sizeofstruct...

EUVD-2026-38710

In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb, virtionethdrtnlfromskb only initializes the first 10 bytes sizeofstruct...

EUVD-2026-38728

In the Linux kernel, the following vulnerability has been resolved: vrf: Fix a potential NPD when removing a port from a VRF RCU readers that identified a net device as a VRF port using netifisl3slave assume that a subsequent call to netdevmasterupperdevgetrcu will return a VRF device. They then...

CVE-2026-52925

In the Linux kernel, the following vulnerability has been resolved: vrf: Fix a potential NPD when removing a port from a VRF RCU readers that identified a net device as a VRF port using netifisl3slave assume that a subsequent call to netdevmasterupperdevgetrcu will return a VRF device. They then...

CVE-2026-52925 vrf: Fix a potential NPD when removing a port from a VRF

In the Linux kernel, the following vulnerability has been resolved: vrf: Fix a potential NPD when removing a port from a VRF RCU readers that identified a net device as a VRF port using netifisl3slave assume that a subsequent call to netdevmasterupperdevgetrcu will return a VRF device. They then...

[SECURITY] Fedora 44 Update: grout-0.16.0-1.fc44

grout stands for Graph Router. In English, "grout" refers to thin mortar that hardens to fill gaps between tiles. grout is a DPDK based network processing application. It uses the rtegraph library for data path processing. Its main purpose is to simulate a network function or a physical router fo...

PT-2026-51912

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the f2fs file system where the kernel may incorrectly initiate I/O to read pages that have already been updated during Garbage Collection GC. This occurs when a page i...

Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50337)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50337 advisory. - Limit recursion in ri-records CVE-2021-3622 resolves: rhbz1976194 - Bounds check for block exceeding page length CVE-2021-3504 resolves: rhbz1950501...

PT-2026-51718

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Null Pointer Dereference NPD can occur when removing a port from a Virtual Routing and Forwarding VRF instance. RCU readers using netif is l3 slave may incorrectly assume that netdev...

PT-2026-51948

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/msm component where a wrong argument caused objects involved in UNMAP operations to not be consistently locked. This behavior specifically affects non- NO SHAR...

PT-2026-51888

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the vsock/virtio implementation regarding MSG ZEROCOPY pinned-pages accounting. The function virtio transport init zcopy skb uses iter-count as the size argument for m...

PT-2026-51921

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the NTFS3 file system where the attr data get block locked function fails to load runs for vcn0 when it resides in a different attribute segment than vcn. This occurs...

PT-2026-51999

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the mt7925 WiFi driver. The issue occurs in the mt7925 mac write txwi function, where the vif variable is accessed via ieee80211 vif is mldvif withou...

PT-2026-51663

Name of the Vulnerable Software and Affected Versions libslirp versions prior to v4.9.2 Description An integer underflow and out-of-bounds heap read exist in the TCP urgent data handling sosendoob within hypervisor host environments, such as QEMU. A privileged guest VM attacker with root or CAP N...

CVE-2026-7574

Anthropic Claude Desktop Cowork VM image handling confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0 validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local...

CVE-2026-7574

Anthropic Claude Desktop Cowork VM images (v1.1348.0–v1.2278.0) do not validate the contents of rootfs.img at time-of-use; only file presence and a version marker are checked. A local, unprivileged macOS user can modify the VM root filesystem image and have it trusted on subsequent Cowork VM boot...

CVE-2026-7574 Anthropic Claude Desktop Cowork VM Image Contents Not Validated Before Use

Anthropic Claude Desktop Cowork VM image handling confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0 validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local...

CVE-2026-47141

A flaw was found in vm2, an open-source virtual machine VM sandbox for Node.js. Prior to version 3.11.4, NodeVM, a component of vm2, improperly exposed certain process-wide observability builtins, such as diagnosticschannel, asynchooks, and perfhooks. These builtins, which are designed for...

[SECURITY] Fedora 44 Update: tigervnc-1.16.2-4.fc44

Virtual Network Computing VNC is a remote display system which allows you to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. This package contains a client which will allow you ...

PT-2026-51611

Name of the Vulnerable Software and Affected Versions Anthropic Claude Desktop Cowork VM versions 1.1348.0 through 1.2278.0 Description The Cowork VM image handling process validates only the presence of the file and a version marker string before booting rootfs.img, failing to verify the integri...