Linux Kernel Security Vulnerabilities

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 calling igetfailed when holding a path lock. This vulnerability may lead to an ABBA deadlock...

Azure Linux 3.0 Security Update: kernel (CVE-2024-49976)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-49976 advisory. - In the Linux kernel, the following vulnerability has been resolved: tracing/timerlat: Drop interfacelock in...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001738)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001738 advisory. A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action...

Linux Distros Unpatched Vulnerability : CVE-2025-71079

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: nfc: fix deadlock between nfcunregisterdevice and rfkillfopwrite A deadlock can occur between nfcunregisterdevice and rfkillfopwrite due to lock ordering...

Siemens SIMATIC Devices Deadlock (CVE-2022-4269)

A flaw was found in the Linux kernel Traffic Control TC subsystem. Using a specific networking configuration redirecting egress packets to ingress using TC action mirred a local unprivileged user could trigger a CPU soft lockup ABBA deadlock when the transport protocol in use TCP or SCTP does a...

SUSE CVE-2022-50549

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

Linux Distros Unpatched Vulnerability : CVE-2022-50549

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab...

CVE-2022-50549

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

UBUNTU-CVE-2022-50549

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

EUVD-2025-32815

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

CVE-2022-50549 dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

CVE-2022-50549 dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

CVE-2022-50549

CVE-2022-50549 describes an ABBA deadlock in the Linux kernel’s dm-thin path where concurrent drop_caches and dm thin worker activity can cause a deadlock between shrink_slab (holding shrinker_rwsem) and dm_pool_abort_metadata (holding dm_block/root locks). The result is a hung task as shown by t...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an ABBA deadlock between shrinkerrwsem and dmpoolabortmetadata, which could cause the system to hang...

Linux Distros Unpatched Vulnerability : CVE-2025-22030

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, the following vulnerability has been resolved: mm: zswap: fix cryptofreeacomp deadlock in zswapcpucompdead Currently, zswapcpucompdead call...

netfilter: IDLETIMER: Fix for possible ABBA deadlock

...

DEBIAN-CVE-2025-21807

In the Linux kernel, the following vulnerability has been resolved: block: fix queue freeze vs limits lock order in sysfs store methods queueattrstore always freezes a device queue before calling the attribute store operation. For attributes that control queue limits, the store operation will als...

CVE-2025-21807

In the Linux kernel, the following vulnerability has been resolved: block: fix queue freeze vs limits lock order in sysfs store methods queueattrstore always freezes a device queue before calling the attribute store operation. For attributes that control queue limits, the store operation will als...

UBUNTU-CVE-2025-21807

In the Linux kernel, the following vulnerability has been resolved: block: fix queue freeze vs limits lock order in sysfs store methods queueattrstore always freezes a device queue before calling the attribute store operation. For attributes that control queue limits, the store operation will als...

PT-2025-8998 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A potential deadlock situation exists in the Linux kernel due to the queue freeze vs limits lock order in sysfs store methods. This issue arises when a user attempts to modify a limit,...