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 the use of smpprocessorid in preemptible code, which could lead to null pointer dereferences...

SUSE CVE-2023-53419

In the Linux kernel, the following vulnerability has been resolved: rcu: Protect rcuprinttaskexpstall -exptasks access For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL-pointer dereference: CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall if...

CVE-2023-53419

In the Linux kernel, the following vulnerability has been resolved: rcu: Protect rcuprinttaskexpstall -exptasks access For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL-pointer dereference: CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall if...

CVE-2023-53419 rcu: Protect rcu_print_task_exp_stall() ->exp_tasks access

In the Linux kernel, the following vulnerability has been resolved: rcu: Protect rcuprinttaskexpstall -exptasks access For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL-pointer dereference: CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall if...

CVE-2023-53419

CVE-2023-53419 : Linux kernel fix for a NULL-pointer dereference in PREEMPT_RT RCU code. The vulnerability arises when CPU2 reads rnp->exp_tasks without holding rnp->lock while CPU1 may update rnp->exp_tasks to NULL, leading to a dereference of a NULL pointer. The documented fix is to ho...

netfilter: flowtable_offload: fix using __this_cpu_add in preemptible

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Linux Distros Unpatched Vulnerability : CVE-2025-38522

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: sched/ext: Prevent updatelockedrq calls with NULL rq Avoid invoking updatelockedrq when the...

CVE-2025-38522

In the Linux kernel, the following vulnerability has been resolved: sched/ext: Prevent updatelockedrq calls with NULL rq Avoid invoking updatelockedrq when the runqueue rq pointer is NULL in the SCXCALLOP and SCXCALLOPRET macros. Previously, calling updatelockedrqNULL with preemption enabled coul...

CVE-2025-38522 sched/ext: Prevent update_locked_rq() calls with NULL rq

In the Linux kernel, the following vulnerability has been resolved: sched/ext: Prevent updatelockedrq calls with NULL rq Avoid invoking updatelockedrq when the runqueue rq pointer is NULL in the SCXCALLOP and SCXCALLOPRET macros. Previously, calling updatelockedrqNULL with preemption enabled coul...

CVE-2025-38522

In the Linux kernel, the following vulnerability has been resolved: sched/ext: Prevent updatelockedrq calls with NULL rq Avoid invoking updatelockedrq when the runqueue rq pointer is NULL in the SCXCALLOP and SCXCALLOPRET macros. Previously, calling updatelockedrqNULL with preemption enabled coul...

CVE-2025-38522 sched/ext: Prevent update_locked_rq() calls with NULL rq

In the Linux kernel, the following vulnerability has been resolved: sched/ext: Prevent updatelockedrq calls with NULL rq Avoid invoking updatelockedrq when the runqueue rq pointer is NULL in the SCXCALLOP and SCXCALLOPRET macros. Previously, calling updatelockedrqNULL with preemption enabled coul...

CVE-2025-38522

CVE-2025-38522 fixes a Linux kernel issue in sched/ext where update_locked_rq() could be called with a NULL runqueue (rq). The patch ensures update_locked_rq() is invoked only when rq is non-NULL, preventing unsafe __this_cpu_write() usage in preemptible contexts. The vulnerability description no...

PT-2025-33565 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: The Linux kernel contains a flaw within the scheduler extension sched/ext related to calls to the update locked rq function with a NULL runqueue rq pointer. Invoking update locked rqNU...

Linux Distros Unpatched Vulnerability : CVE-2024-44968

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: tick/broadcast: Move per CPU pointer access into the atomic section The recent fix for makin...

Linux Distros Unpatched Vulnerability : CVE-2025-38295

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: perf/amlogic: Replace smpprocessorid with rawsmpprocessorid in mesonddrpmucreate The Amlogic...

SUSE CVE-2025-38288

In the Linux kernel, the following vulnerability has been resolved: scsi: smartpqi: Fix smpprocessorid call trace for preemptible kernels Correct kernel call trace when calling smpprocessorid when called in preemptible kernels by using rawsmpprocessorid. smpprocessorid checks to see if preemption...

SUSE CVE-2025-38295

In the Linux kernel, the following vulnerability has been resolved: perf/amlogic: Replace smpprocessorid with rawsmpprocessorid in mesonddrpmucreate The Amlogic DDR PMU driver mesonddrpmucreate function incorrectly uses smpprocessorid, which assumes disabled preemption. This leads to kernel...

DEBIAN-CVE-2025-38295

In the Linux kernel, the following vulnerability has been resolved: perf/amlogic: Replace smpprocessorid with rawsmpprocessorid in mesonddrpmucreate The Amlogic DDR PMU driver mesonddrpmucreate function incorrectly uses smpprocessorid, which assumes disabled preemption. This leads to kernel...

CVE-2025-38288

In the Linux kernel, the following vulnerability has been resolved: scsi: smartpqi: Fix smpprocessorid call trace for preemptible kernels Correct kernel call trace when calling smpprocessorid when called in preemptible kernels by using rawsmpprocessorid. smpprocessorid checks to see if preemption...

DEBIAN-CVE-2025-38288

In the Linux kernel, the following vulnerability has been resolved: scsi: smartpqi: Fix smpprocessorid call trace for preemptible kernels Correct kernel call trace when calling smpprocessorid when called in preemptible kernels by using rawsmpprocessorid. smpprocessorid checks to see if preemption...