UBUNTU-CVE-2025-71126

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 --------------------------------------------...

UBUNTU-CVE-2025-71117

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...

CVE-2025-71117

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...

CVE-2025-71126

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-2025-71126

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-2025-71126 mptcp: avoid deadlock on fallback while reinjecting

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-2025-71126

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-2025-71126

CVE-2025-71126 concerns the Linux kernel’s MPTCP implementation. The vulnerability is a deadlock during the fallback reinjection path. Specifically, a thread (mptcp_connect/20858) may attempt to acquire msk->fallback_lock while it is already held by another path (as shown in the trace: __mptcp...

CVE-2025-71126 mptcp: avoid deadlock on fallback while reinjecting

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

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...

CVE-2025-71117

CVE-2025-71117 corresponds to a Linux kernel fix that removes queue freezing from several sysfs store callbacks to prevent deadlocks (notably with dm-multipath and the queue_if_no_path option). Affected sysfs attributes include io_poll_delay, io_timeout, nomerges, read_ahead_kb, and rq_affinity. ...

CVE-2025-71117

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...

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...

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...

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...

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...

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...

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...

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...