Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfc: nci: fixed a circular locking dependency in nciclosedevice. The nciclosedevice function flushes the rxwq and txwq queues while holding the reqlock. This causes a circular locking dependency, as the ncirxwork function...

The vulnerability of the nci_close_device() function in the net/nfc/nci/core.c module, which is part of the NFC NCI support for Linux operating systems, allows a hacker to cause a service failure.

The vulnerability of the nciclosedevice function in the net/nfc/nci/core.c module, which is part of the NFC NCI support in Linux operating systems, is related to synchronization errors when using shared resources. Exploiting this vulnerability could allow an attacker to cause service failures...

AZL-83336 CVE-2026-31509 affecting package kernel for versions less than 6.6.134.1-2

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fix circular locking dependency in nciclosedevice nciclosedevice flushes rxwq and txwq while holding reqlock. This causes a circular locking dependency because ncirxwork running on rxwq can end up taking reqlock too:...

CVE-2026-31509: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fix circular locking dependency in nciclosedevice nciclosedevice flushes rxwq and txwq while holding reqlock. This causes a circular locking dependency because ncirxwork running on rxwq can end up taking reqlock too:...

CVE-2026-23330: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: complete pending data exchange on device close In nciclosedevice, complete any pending data exchange before closing. The data exchange callback e.g. rawsockdataexchangecomplete holds a socket reference. NIPA occasionall...

CVE-2026-23167

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix race between rfkill and nciunregisterdevice. syzbot reported the splat below 0 without a repro. It indicates that struct ncidev.cmdwq had been destroyed before nciclosedevice was called via rfkill. ncidev.cmdwq is...

EUVD-2026-5871

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix race between rfkill and nciunregisterdevice. syzbot reported the splat below 0 without a repro. It indicates that struct ncidev.cmdwq had been destroyed before nciclosedevice was called via rfkill. ncidev.cmdwq is...