RLSA-2026:88477 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: calipso: Don't call calipso functions for AFINET sk. CVE-2025-38147 kernel: ipv4: raw: reject IPHDRINCL packets with ihl 5 CVE-2026-64114 kernel: net/smc: reject CHID-0 ACCEPT that matche...

kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation

A flaw was found in the Linux kernel's DisplayPort DP Multi-Stream Transport MST subsystem. This vulnerability involves multiple buffer overflows within the drmdpsidebandappendpayload function when handling data from connected devices. A physically connected, malicious DP MST device can exploit...

OESA-2026-4436 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: drm/dp/mst: fix buffer overflows in sideband chunk accumulation drmdpsidebandappendpayload has three related bugs when processing device-provided sideband reply...

Oracle Linux 8 : kernel (ELSA-2026-82807)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-82807 advisory. - drm/amdkfd: Add TLB flush after MES queue eviction/suspension Jocelyn Falempe RHEL-262108 CVE-2026-89811 - drm/amd/display: set newstream to NULL...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_82806)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202682806 advisory. kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: ipv6: validate extension header length before copying to cmsg...

MiracleLinux 8 : kernel-4.18.0-553.173.1.el8_10 (AXSA:2026-2075:102)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-2075:102 advisory. kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: ipv6: validate extension header length before copying to cmsg...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

RLSA-2026:82806 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: ipv6: validate extension header length before copying to...

kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation

A flaw was found in the Linux kernel's DisplayPort DP Multi-Stream Transport MST subsystem. This vulnerability involves multiple buffer overflows within the drmdpsidebandappendpayload function when handling data from connected devices. A physically connected, malicious DP MST device can exploit...

kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation

A flaw was found in the Linux kernel's DisplayPort DP Multi-Stream Transport MST subsystem. This vulnerability involves multiple buffer overflows within the drmdpsidebandappendpayload function when handling data from connected devices. A physically connected, malicious DP MST device can exploit...

kernel security update

4.18.0-553.173.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

RHEL 8 : kernel (RHSA-2026:82807)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:82807 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: openvswitch: defer tunnel...

Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: ipv6: validate extension header length before copying to...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: openvswitch: defer tunnel netdevput to RCU release CVE-2026-31678 kernel: ipv6: validate extension header length before copying to cmsg CVE-2026-63920 kernel: drm/amd/display: set newstre...

kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation

A flaw was found in the Linux kernel's DisplayPort DP Multi-Stream Transport MST subsystem. This vulnerability involves multiple buffer overflows within the drmdpsidebandappendpayload function when handling data from connected devices. A physically connected, malicious DP MST device can exploit...

kernel security update

5.14.0-687.57.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

SUSE CVE-2026-68279

In the Linux kernel, the following vulnerability has been resolved: drm/dp/mst: fix OOB reads in remote DPCD/I2C sideband reply parsers drmdpsidebandparseremotedpcdread reads numbytes from the raw message and then unconditionally does: memcpybytes, &raw-msgidx, numbytes; without checking that idx...

DEBIAN-CVE-2026-68429

In the Linux kernel, the following vulnerability has been resolved: drm/dpmst: Handle torn-down topology gracefully in drmdpmsttopologyqueueprobe A hotplug or link-loss event can tear down the MST topology setting mgr-mststate = false and mgr-mstprimary = NULL concurrently with a caller invoking...

CVE-2026-68429

In the Linux kernel, the following vulnerability has been resolved: drm/dpmst: Handle torn-down topology gracefully in drmdpmsttopologyqueueprobe A hotplug or link-loss event can tear down the MST topology setting mgr-mststate = false and mgr-mstprimary = NULL concurrently with a caller invoking...

CVE-2026-68277

A flaw was found in the Linux kernel's drm/dp/mst Direct Rendering Manager/DisplayPort/Multi-Stream Transport sideband reply parsers. This out-of-bounds read vulnerability occurs when processing 2-byte fields in sideband replies, where the system attempts to read beyond the allocated buffer. A...