GHSA-HPV4-5H6F-WQR3 russh server userauth state is not reset when authentication principal changes

Summary The russh server authentication path keeps internal userauth state across SSHMSGUSERAUTHREQUEST messages without separating that state when the request principal changes. RFC 4252 allows the user name and service name fields to change between authentication requests. The issue is not that...

UBUNTU-CVE-2026-46123

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: clamp rx length before skbput virtbtrxwork calls skbputskb, len where len comes directly from virtqueuegetbuf with no validation against the buffer we posted to the device. The RX skb is allocated in...

CVE-2026-46123 Bluetooth: virtio_bt: clamp rx length before skb_put

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: clamp rx length before skbput virtbtrxwork calls skbputskb, len where len comes directly from virtqueuegetbuf with no validation against the buffer we posted to the device. The RX skb is allocated in...

SUSE CVE-2026-45923

In the Linux kernel, the following vulnerability has been resolved: net: usb: catc: enable basic endpoint checking catcprobe fills three URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbsndbulkpipeusbdev, 1 and usbrcvbulkpipeusbdev, 1 for TX/RX -...

UBUNTU-CVE-2026-45837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

CVE-2026-45837 bpf: Fix use-after-free in arena_vm_close on fork

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

CVE-2026-45837

The CVE-2026-45837 issue affects the Linux kernel BPF arena memory management during fork. The root cause is that arena_vm_open() bumps mmap_count but does not register the child VMA in arena->vma_list, leaving vml->vma to point to the parent VMA. After the parent unmaps, a use-after-free c...

CVE-2026-45837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

EUVD-2026-32163

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh

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Linux Distros Unpatched Vulnerability : CVE-2026-39832

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination...

SUSE CVE-2026-39832

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

OESA-2026-2419 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Validate L2CAPINFORSP payload length before access l2capinformationrsp checks that cmdlen covers the fixed l2capinforsp header type + result, 4...

CVE-2026-39827 Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...

CVE-2026-39832

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

CVE-2026-39832

CVE-2026-39832 concerns how remote agent constraint extensions are serialized. The issue allowed destination restrictions (e.g., [email protected]) to be stripped when forwarding keys, effectively enabling unrestricted use of the key on the remote host. The description notes th...

PT-2026-42661

Publisher note Fixed in v1.7.17. Operators running v1.7.17 should upgrade. Contract delete and upgrade host-core paths now reject execution when runtime.ReadOnly is true. The invariant is regression-tested for delete, upgrade, storage writes, value transfers, and any VM output field that can late...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/xepagefault: Reads-only VMA entries are no longer allowed for writing operations. The page fault handler should reject write/atomic access to reads-only VMA entries. Add code to handle this in xepagefaultservice after the...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed use-after-free issue Fixed a potential use-after-free in l2caplecommandrej...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...