Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: fix OOB reads parsing symlink error response CVE-2026-31613 kernel: Buffer overflow in drivers/xen/sys-hypervisor.c CVE-2026-31786 kernel: Linux kernel: smb: client: reject...

glitchtip-gzip-decompression-poc

GlitchTip gzip decompression PoC This PoC demonstrates that c...

PYSEC-2026-215

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...

PYSEC-0000-CVE-2026-45409

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...

UBUNTU-CVE-2026-45409

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...

EUVD-2026-34921

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...

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...

batman-adv: reject new tp_meter sessions during teardown

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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

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...

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

CVE-2026-45837 : In the Linux kernel, a use-after-free in arena_vm_close on fork was fixed. The root cause is that arena_vm_open() only bumps vml->mmap_count and does not register the child VMA in arena->vma_list, so vml->vma continues to point to the parent VMA after fork. If the child ...

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...

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...