PT-2026-51758

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Linux kernel due to a missing zerocopy reference in the pskb carve inside header and pskb carve inside nonlinear functions. Both functions copy the s...

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-6.1.168-202.320

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-6.1.168-202.320 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel6.18

Issue Overview: 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 been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c CVE-2026-31786 In the Linux...

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...

Important: kernel-livepatch-6.1.163-186.299

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-6.1.163-186.299 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.170-213.321

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-6.1.170-213.321 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.74-98.124

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-6.12.74-98.124 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.80-106.156

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-6.12.80-106.156 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.15-14.217

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-6.18.15-14.217 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-5.10.252-250.992

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-5.10.252-250.992 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Important: kernel-livepatch-6.1.168-203.330

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-6.1.168-203.330 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Exploit for CVE-2026-43494

SLEY — PinTheft PoC CVE-2026-43494 Proof o...

SUSE CVE-2026-43502

In the Linux kernel, the following vulnerability has been resolved: net/rds: handle zerocopy send cleanup before the message is queued A zerocopy send can fail after user pages have been pinned but before the message is attached to the sending socket. The purge path currently infers zerocopy stat...

Linux Distros Unpatched Vulnerability : CVE-2026-43502

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/rds: handle zerocopy send cleanup before the message is queued A zerocopy send can fail after user pages have been pinned but before the message is attached...

CVE-2026-43502

A flaw was found in the Linux kernel, specifically within the Remote Direct Memory Access RDMA subsystem's handling of zerocopy send operations. When a zerocopy send fails before the message is attached to the sending socket, the kernel may incorrectly clean up the associated memory. This can lea...

CVE-2026-43494

A flaw was found in the Linux kernel, specifically within the net/rds module. When a zerocopy page pin operation fails, a counter used for memory management opnents is not correctly reset. This can result in a double-free vulnerability, where the same memory is released twice. A local attacker...

CVE-2026-43502

In the Linux kernel, the following vulnerability has been resolved: net/rds: handle zerocopy send cleanup before the message is queued A zerocopy send can fail after user pages have been pinned but before the message is attached to the sending socket. The purge path currently infers zerocopy stat...

CVE-2026-43502

In the Linux kernel, the following vulnerability has been resolved: net/rds: handle zerocopy send cleanup before the message is queued A zerocopy send can fail after user pages have been pinned but before the message is attached to the sending socket. The purge path currently infers zerocopy stat...

UBUNTU-CVE-2026-43502

In the Linux kernel, the following vulnerability has been resolved: net/rds: handle zerocopy send cleanup before the message is queued A zerocopy send can fail after user pages have been pinned but before the message is attached to the sending socket. The purge path currently infers zerocopy stat...