CVE-2026-53031 bpf: Validate node_id in arena_alloc_pages()

In the Linux kernel, the following vulnerability has been resolved: bpf: Validate nodeid in arenaallocpages arenaallocpages accepts a plain int nodeid and forwards it through the entire allocation chain without any bounds checking. Validate nodeid before passing it down the allocation chain in...

PT-2026-51925

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF Berkeley Packet Filter subsystem where the arena alloc pages function accepts an integer node id and forwards it through the allocation chain without performin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a use-after-free in arenavmclose when processing forks. The arenavmopen function only increments vml-mmapcount, but never registers the child VMA in arena-vmalist. vml-vma always points to the parent VMA; therefore,...

CVE-2026-6608

A vulnerability was detected in lm-sys fastchat up to 0.2.36. Impacted is the function addtext of the component Arena Side-by-Side View Handler. The manipulation results in incorrect control flow. The attack can be launched remotely. The exploit is now public and may be used. The root cause was...

CVE-2026-48040

The CVE-2026-48040 entry concerns netty-incubator-codec.bhttp prior to 0.0.22.Final, where a fallback path for direct ByteBufs is taken when Unsafe is unavailable. Under these conditions, an unauthenticated network attacker can trigger cryptographic operations via crafted OHTTP requests, causing ...

SUSE 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

A flaw was found in the Linux kernel. A use-after-free vulnerability exists in the arenavmclose function during a fork operation. This occurs because the child's Virtual Memory Area VMA is not correctly registered, leading to a dangling pointer. If a child process attempts to access this stale...

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...

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...

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

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...

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 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 ...

PT-2026-43671

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the arena vm close function during a fork operation. The arena vm open function increments the vml-mmap count but fails to register the child Virtual...

Linux Distros Unpatched Vulnerability : CVE-2026-45837

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 poin...

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...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel. This vulnerability arises from arenavmopen only increasing vml-mmapcount without registering the sub-VMA regions in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the remap of the arena. The BPF arena logic did not account for the mremap operation. Added a reference count for multiple mmap events to prevent use-after-free in arenavmclose...