Linux kernel 安全漏洞

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 the failure to cancel the work queue before it is cleared, potentially leading to reuse after...

kernel: RDMA/rxe: Fix incomplete state save in rxe_requester

An incorrect state restoration flaw was found in the Linux kernel's RDMA rxe soft-RoCE driver in the requester packet transmission logic. A local user with access to RDMA devices can trigger this issue when network layer packet drops occur during RDMA send operations, causing the work queue eleme...

CVE-2026-22980

In the Linux kernel, the following vulnerability has been resolved: nfsd: provide locking for v4endgrace Writing to v4endgrace can race with server shutdown and result in memory being accessed after it was freed - reclaimstrhashtbl in particularly. We cannot hold nfsdmutex across the nfsd4endgrac...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21859)

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-2025-21859 advisory. - In the Linux kernel, the following vulnerability has been resolved: USB: gadget: fmidi: fmidicomplete to cal...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37772)

"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-2025-37772 advisory. - In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix workqueue crash in...

SUSE 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...

CVE-2025-71073

In the Linux kernel, the following vulnerability has been resolved: Input: lkkbd - disable pending work before freeing device lkkbdinterrupt schedules lk-tq via schedulework, and the work handler lkkbdreinit dereferences the lkkbd structure and its serio/inputdev fields. lkkbddisconnect and error...

SUSE CVE-2025-68793

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix a job-pasid access race in gpu recovery Avoid a possible UAF in GPU recovery due to a race between the sched timeout callback and the tdr work queue. The gpu recovery function calls drmschedstop and later...

AZL-74354 CVE-2025-71073 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: Input: lkkbd - disable pending work before freeing device lkkbdinterrupt schedules lk-tq via schedulework, and the work handler lkkbdreinit dereferences the lkkbd structure and its serio/inputdev fields. lkkbddisconnect and error...

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...

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...

CVE-2025-71073

In the Linux kernel, the following vulnerability has been resolved: Input: lkkbd - disable pending work before freeing device lkkbdinterrupt schedules lk-tq via schedulework, and the work handler lkkbdreinit dereferences the lkkbd structure and its serio/inputdev fields. lkkbddisconnect and error...

CVE-2025-71073 Input: lkkbd - disable pending work before freeing device

In the Linux kernel, the following vulnerability has been resolved: Input: lkkbd - disable pending work before freeing device lkkbdinterrupt schedules lk-tq via schedulework, and the work handler lkkbdreinit dereferences the lkkbd structure and its serio/inputdev fields. lkkbddisconnect and error...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000520)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000520 advisory. drivers/gpu/drm/radeon/radeondisplay.c in the Linux kernel 5.2.14 does not check the allocworkqueue return value, leading to a NULL pointer dereference. NOTE: A...

SUSE CVE-2025-68762

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: initialize work queue before error checks Prevent a kernel warning when netconsole setup fails on devices with IFFDISABLENETPOLL flag. The warning at kernel/workqueue.c:4242 in flushwork occurs because the cleanup...

CVE-2025-68762

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: initialize work queue before error checks Prevent a kernel warning when netconsole setup fails on devices with IFFDISABLENETPOLL flag. The warning at kernel/workqueue.c:4242 in flushwork occurs because the cleanup...

UBUNTU-CVE-2025-68762

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: initialize work queue before error checks Prevent a kernel warning when netconsole setup fails on devices with IFFDISABLENETPOLL flag. The warning at kernel/workqueue.c:4242 in flushwork occurs because the cleanup...

CVE-2025-68762

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: initialize work queue before error checks Prevent a kernel warning when netconsole setup fails on devices with IFFDISABLENETPOLL flag. The warning at kernel/workqueue.c:4242 in flushwork occurs because the cleanup...

CVE-2025-68762 net: netpoll: initialize work queue before error checks

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: initialize work queue before error checks Prevent a kernel warning when netconsole setup fails on devices with IFFDISABLENETPOLL flag. The warning at kernel/workqueue.c:4242 in flushwork occurs because the cleanup...

CVE-2025-68762

The CVE-2025-68762 issue concerns the Linux kernel netpoll subsystem. The root cause is a cleanup path that cancels a work queue (refill_wq) which had not been initialized when a device with IFF_DISABLE_NETPOLL triggers an early failure in __netpoll_setup(). The documentation states this caused a...