CVE-2026-45995 io_uring/zcrx: fix user_struct uaf

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix userstruct uaf iofreerbufring usees a struct userstruct, which iozcrxifqfree puts it down before destroying the ring...

CVE-2026-45995

A CVE-2026-45995 has been resolved in the Linux kernel for a local, low-privilege UAF issue in io_uring zcrx handling (io_free_rbuf_ring with a user_struct, freed by io_zcrx_ifq_free before ring destruction). The advisory for openSUSE Tumbleweed indicates the fix is delivered via kernel-devel-7.0...

CVE-2026-45995

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix userstruct uaf iofreerbufring usees a struct userstruct, which iozcrxifqfree puts it down before destroying the ring...

CVE-2026-45975

CVE-2026-45975 is a Linux kernel vulnerability in the ublk subsystem where a race condition can occur reading struct ublksrv_ctrl_cmd from userspace-mapped memory in the io_uring_sqe. The fix uses READ_ONCE() to copy ublksrv_ctrl_cmd from the io_uring_sqe to a local stack copy and then operates o...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the iofreerbufring function in iouring zcrx. This function releases user structures before...

Linux Distros Unpatched Vulnerability : CVE-2022-29582

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel before 5.17.3, fs/iouring.c has a use-after-free due to a race condition in iouring timeouts. This can be triggered by a local user who has ...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1754 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate CVE-2026-31589 In the Linux kernel, the following vulnerability has bee...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 In the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner 'getdumpable' logic CVE-2026-46333 Affected Packages:...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c CVE-2026-31786 In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix double free via VMA splitting CVE-2026-31787 In the Linux kernel,...

Important: kernel-livepatch-5.10.253-252.1016

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-5.10.253-252.1016 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Important: kernel-livepatch-6.18.20-41.237

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.18.20-41.237 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.170-210.320

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.1.170-210.320 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.164-196.303

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.1.164-196.303 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-5.10.253-251.1014

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-5.10.253-251.1014 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Important: kernel-livepatch-6.12.79-101.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.12.79-101.147 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.77-99.140

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.12.77-99.140 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.73-95.123

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-6.12.73-95.123 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix race between concurrent split and refault CVE-2026-31456 In the Linux kernel, the following vulnerability has been resolved: fuse: reject oversized dirents in page cache CVE-2026-31694 In the Linu...

Important: kernel-livepatch-6.18.25-55.108

Issue Overview: PinTheft is a Linux local privilege escalation exploit for an RDS zerocopy double-free that can be turned into a page-cache overwrite through iouring fixed buffers. Affected Packages: kernel-livepatch-6.18.25-55.108 Issue Correction: Please ensure you have live patching enabled. R...

Important: kernel-livepatch-5.10.252-250.1016

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494 Affected Packages: kernel-livepatch-5.10.252-250.1016 Issue Correction: Please ensure you have live patching enabled. Run yum update...