ALSA-2026:30848 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: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-31488 kernel: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unreach CVE-2026-43038 kernel: netfilter: flowtabl...

SUSE CVE-2026-53313

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereference in dcdmubsrv error paths In dcdmubsrvlogdiagnosticdata and dcdmubsrvenabledpiatrace. Both functions check: if !dcdmubsrv || !dcdmubsrv-dmub and then call DCLOGERROR inside that block...

Linux Distros Unpatched Vulnerability : CVE-2026-53137

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: Clamp HDMI HDCP2 rxidlist read to buffer size Why & How During HDCP 2.x repeater authentication over HDMI, the driver reads the sink's RxStatus...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-53313

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: Avoid NULL dereference in dcdmubsrv error paths In dcdmubsrvlogdiagnosticdata and dcdmubsrvenabledpiatrace. Both functions check: if !dcdmubsrv...

Linux Distros Unpatched Vulnerability : CVE-2026-53136

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: Clamp VBIOS HDMI retimer register count to array size Why & How The VBIOS integrated info tables v111 and v21 contain HdmiRegNum and Hdmi6GRegN...

Linux Distros Unpatched Vulnerability : CVE-2026-53135

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: Fix NULL deref and buffer over-read in SDP debugfs Why & How dpsdpmessagedebugfswrite dereferences connector-base.state-crtc without checking f...

DEBIAN-CVE-2026-53313

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereference in dcdmubsrv error paths In dcdmubsrvlogdiagnosticdata and dcdmubsrvenabledpiatrace. Both functions check: if !dcdmubsrv || !dcdmubsrv-dmub and then call DCLOGERROR inside that block...

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-2026-53313

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereference in dcdmubsrv error paths In dcdmubsrvlogdiagnosticdata and dcdmubsrvenabledpiatrace. Both functions check: if !dcdmubsrv || !dcdmubsrv-dmub and then call DCLOGERROR inside that block...

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-2026-53313

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereference in dcdmubsrv error paths In dcdmubsrvlogdiagnosticdata and dcdmubsrvenabledpiatrace. Both functions check: if !dcdmubsrv || !dcdmubsrv-dmub and then call DCLOGERROR inside that block...

EUVD-2026-39848

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereference in dcdmubsrv error paths In dcdmubsrvlogdiagnosticdata and dcdmubsrvenabledpiatrace. Both functions check: if !dcdmubsrv || !dcdmubsrv-dmub and then call DCLOGERROR inside that block...

CVE-2026-53313

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereference in dcdmubsrv error paths In dcdmubsrvlogdiagnosticdata and dcdmubsrvenabledpiatrace. Both functions check: if !dcdmubsrv || !dcdmubsrv-dmub and then call DCLOGERROR inside that block...

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 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...