CVE-2025-68333

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and not disable-irq, if the rq returned by containerof is current CPU's rq,...

UBUNTU-CVE-2025-68333

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and not disable-irq, if the rq returned by containerof is current CPU's rq,...

CVE-2025-68333

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and not disable-irq, if the rq returned by containerof is current CPU's rq,...

CVE-2025-68333 sched_ext: Fix possible deadlock in the deferred_irq_workfn()

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and not disable-irq, if the rq returned by containerof is current CPU's rq,...

CVE-2025-68333 sched_ext: Fix possible deadlock in the deferred_irq_workfn()

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and not disable-irq, if the rq returned by containerof is current CPU's rq,...

CVE-2025-68333

The CVE-2025-68333 issue affects the Linux kernel, specifically a potential deadlock in sched_ext deferred_irq_workfn() on PREEMPT_RT=y configurations. The root cause is that deferred_irq_workfn() could run in a non-disable-irq context, leading to a lock sequence like lock(&rq->__lock); interr...

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 a possible deadlock in deferredirqworkfn in the PREEMPTRT=y kernel...

CVE-2025-68333

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and not disable-irq, if the rq returned by containerof is current CPU's rq,...

Linux Distros Unpatched Vulnerability : CVE-2025-68333

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and no...

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 unfinished deferred work leading to post-release reuse, potentially resulting in memory corruption...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: iommufd: Fix race during abort for file descriptors

A flaw was found in the Linux kernel such that the IOMMU file-descriptor subsystem, when aborting the allocation of a new object before installing the file descriptor, the code calls fput on the file and then immediately frees the associated object kfree, but the object is still referenced by the...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: iommufd: Fix race during abort for file descriptors

A flaw was found in the Linux kernel such that the IOMMU file-descriptor subsystem, when aborting the allocation of a new object before installing the file descriptor, the code calls fput on the file and then immediately frees the associated object kfree, but the object is still referenced by the...

kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

Moderate: 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...