Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...

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A flaw was found in AMD Zen 2-based processors, affecting components such as the kernel and Xen hypervisor. Improper isolation of shared resources within the CPU operation cache could allow an attacker to corrupt instructions executed at a different privilege level. This could potentially result ...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100774)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100774 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp HDMI HDCP2 rxidlist read to buffer size Why & How During HDCP 2.x repeater...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099957)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099957 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp HDMI HDCP2 rxidlist read to buffer size Why & How During HDCP 2.x repeater...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099786)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099786 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs Why & How...

The vulnerability of the wbrf_record() function in the drivers/platform/x86/amd/wbrf.c module of the Linux operating system’s X86 device driver framework allows a hacker to cause a service failure.

The vulnerability of the wbrfrecord function in the drivers/platform/x86/amd/wbrf.c module of the Linux X86 kernel device driver lies in improper memory release memory leak. Exploiting this vulnerability could allow an attacker to cause a system failure...

The vulnerability of the remove() function in the driver/gpu/drm/amd/amdgpu/amdgpu_gmc.c file of the Direct Rendering Infrastructure (DRI) AMD GPU kernel for the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the remove function in the driver/gpu/drm/amd/amdgpu/amdgpugmc.c file of the Direct Rendering Infrastructure DRI driver for AMD GPU cores in Linux operating systems is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100553)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100553 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs Why & How...

RHEL 8 : kernel-rt (RHSA-2026:55765)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55765 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 8 : kernel (RHSA-2026:55444)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55444 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: AMD Zen 2 Processors:...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100775)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100775 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resource...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099970)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099970 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resource...

SUSE CVE-2026-74449

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix divide-by-zero in calculatemcachesetting on zero viewport If a plane reaches calculatemcachesetting with a zero-area viewport, calculatemcachesetting exits early with nummcaches == 0 and mvmpgwidth/height == ...

CVE-2026-74449

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix divide-by-zero in calculatemcachesetting on zero viewport If a plane reaches calculatemcachesetting with a zero-area viewport, calculatemcachesetting exits early with nummcaches == 0 and mvmpgwidth/height == ...

AZL-96249 CVE-2026-74450 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix pptable use-after-free amdgpudpmgetpptable returns a pointer to a driver-owned power table after dropping adev-pm.mutex. The sysfs path then copies from that pointer. A concurrent pptable write can replace and fre...

CVE-2026-74449

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix divide-by-zero in calculatemcachesetting on zero viewport If a plane reaches calculatemcachesetting with a zero-area viewport, calculatemcachesetting exits early with nummcaches == 0 and mvmpgwidth/height == ...

UBUNTU-CVE-2026-74448

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix QID bit leak in pqmcreatequeue When MES is enabled and amdgpuamdkfdallockernelmem fails during the first queue creation for a process, pqmcreatequeue returns early via 'return retval' without going through the...

UBUNTU-CVE-2026-74449

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix divide-by-zero in calculatemcachesetting on zero viewport If a plane reaches calculatemcachesetting with a zero-area viewport, calculatemcachesetting exits early with nummcaches == 0 and mvmpgwidth/height == ...

CVE-2026-74450 drm/amd/pm: fix pptable use-after-free

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix pptable use-after-free amdgpudpmgetpptable returns a pointer to a driver-owned power table after dropping adev-pm.mutex. The sysfs path then copies from that pointer. A concurrent pptable write can replace and fre...

CVE-2026-74450

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix pptable use-after-free amdgpudpmgetpptable returns a pointer to a driver-owned power table after dropping adev-pm.mutex. The sysfs path then copies from that pointer. A concurrent pptable write can replace and fre...