Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

A vulnerability was found in the Linux kernel's Controller Area Network CAN protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939sockslock, activesessionlistlock, and sksessionqueuelock. This issue...

SUSE CVE-2025-71065

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

SUSE CVE-2025-71079

In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix deadlock between nfcunregisterdevice and rfkillfopwrite A deadlock can occur between nfcunregisterdevice and rfkillfopwrite due to lock ordering inversion between devicelock and rfkillglobalmutex. The problematic lo...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

A vulnerability was found in the Linux kernel's Controller Area Network CAN protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939sockslock, activesessionlistlock, and sksessionqueuelock. This issue...

Linux Distros Unpatched Vulnerability : CVE-2025-71117

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - block: Remove queue freezing from several sysfs store callbacks Freezing the request queue from inside sysfs store callbacks may cause a deadlock in combination...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000990)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000990 advisory. net/sctp/smsideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a lock and a socket, which allows local users to cause a...

Linux Kernel Security Vulnerabilities

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 improper freezing of the request queue, which could result in a deadlock or slow system startup...

Linux Kernel Security Vulnerabilities

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 improper lock acquisition during a fallback, which could lead to a deadlock...

CVE-2025-71126: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid deadlock on fallback while reinjecting Jakub reported an MPTCP deadlock at fallback time: WARNING: possible recursive locking detected 6.18.0-rc7-virtme 1 Not tainted --------------------------------------------...

CVE-2025-71117: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: block: Remove queue freezing from several sysfs store callbacks Freezing the request queue from inside sysfs store callbacks may cause a deadlock in combination with the dm-multipath driver and the queueifnopath option...

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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001762)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001762 advisory. A denial of service vulnerability due to a deadlock was found in sctpautoasconfinit in net/sctp/socket.c in the Linux kernels SCTP subsystem. This flaw allows guests...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001127)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001127 advisory. The Serial Attached SCSI SAS implementation in the Linux kernel through 4.15.9 mishandles a mutex within libsas, which allows local users to cause a denial of servic...

CVE-2025-71079

In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix deadlock between nfcunregisterdevice and rfkillfopwrite A deadlock can occur between nfcunregisterdevice and rfkillfopwrite due to lock ordering inversion between devicelock and rfkillglobalmutex. The problematic lo...

CVE-2025-71065

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

AZL-74384 CVE-2025-71065 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

CVE-2025-68821

In the Linux kernel, the following vulnerability has been resolved: fuse: fix readahead reclaim deadlock Commit e26ee4efbc79 "fuse: allocate ff-releaseargs only if release is needed" skips allocating ff-releaseargs if the server does not implement open. However in doing so, fusepreparerelease now...

CVE-2025-68823

In the Linux kernel, the following vulnerability has been resolved: ublk: fix deadlock when reading partition table When one processsuch as udev opens ublk block device e.g., to read the partition table via bdevopen, a deadlock1 can occur: 1. bdevopen grabs disk-openmutex 2. The process issues re...