Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2026-31771: Bluetooth: hcievent: move wake reason storage into validated event handlers bsc1264145. CVE-2026-43038: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unrea...

SUSE CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

kernel: exit: prevent preemption of oopsing TASK_DEAD task

A flaw was found in the Linux kernel. During the exit process of a task that has encountered an error, the system can incorrectly allow the task to be interrupted. This can lead to improper management of the task's memory, potentially causing memory corruption. Such an issue could allow a local...

kernel: exit: prevent preemption of oopsing TASK_DEAD task

A flaw was found in the Linux kernel. During the exit process of a task that has encountered an error, the system can incorrectly allow the task to be interrupted. This can lead to improper management of the task's memory, potentially causing memory corruption. Such an issue could allow a local...

PT-2026-54809

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mnt ns read in may decode fh may decode fh accesses mount::mnt ns without holding any locks; that means the mount can concurrently be unmounted, and the mnt namespace can concurrently be freed...

SUSE CVE-2026-53285

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

Linux Distros Unpatched Vulnerability : CVE-2026-53285

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with...

CVE-2026-53285

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

DEBIAN-CVE-2026-53285

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

UBUNTU-CVE-2026-53285

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

CVE-2026-53285

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

UBUNTU-CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

CVE-2026-53285 drm/amd/display: Wrap DCN32 phantom-plane allocation in DC_RUN_WITH_PREEMPTION_ENABLED

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

CVE-2026-53285

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

EUVD-2026-39890

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

CVE-2026-53285

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

CVE-2026-53285

The CVE-2026-53285 issue concerns the Linux kernel drm/amd/display path, where dcn32_enable_phantom_plane() allocates ~335 KiB via kvzalloc() within an FPU-enabled, softirq-disabled region. This vmalloc flow can trigger BUG_ON(in_interrupt()), causing a kernel crash (DoS). The root cause is the l...

CVE-2026-53285 drm/amd/display: Wrap DCN32 phantom-plane allocation in DC_RUN_WITH_PREEMPTION_ENABLED

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap DCN32 phantom-plane allocation in DCRUNWITHPREEMPTIONENABLED Why dcn32validatebandwidth wraps dcn32internalvalidatebw with DCFPSTART/DCFPEND. In x86 non-RT, DCFPSTART takes fpregslock, which disables local...

PT-2026-52924

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/amd/display component where the dcn32 validate bandwidth function wraps dcn32 internal validate bw using DC FP START and DC FP END. On x86 non-RT systems, DC F...