drm/amd/display: Bound VBIOS record-chain walk loops

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CVE-2026-53138

A flaw was found in the Linux kernel's AMD display drm/amd/display driver. A malformed VBIOS image can cause unbounded processing loops, leading to an out-of-bounds read. This could result in information disclosure or a system crash...

HPESBHF05017 rev.1 - Certain HPE SimpliVity Servers Using Certain Intel Processors, INTEL-SA-01396, 2026.1 IPU, Intel Processor Firmware Advisory, Local Escalation of Privilege Vulnerability

Potential Security Impact: Local: Escalation of Privilege SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE SimpliVity 380 Gen11 - Prior to SimpliVity Gen11 Support Pack 20260605 HPE SimpliVity 380 Gen10 Plus - Prior to SimpliVity Gen10 Support Pack 20260605 CVSS Scores: | CVE |...

EUVD-2026-39343

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Bound VBIOS record-chain walk loops Why & How All record-chain walk loops in biosparser.c and biosparser2.c use for;; and only terminate on a 0xFF recordtype sentinel or zero recordsize. A malformed VBIOS image...

EUVD-2026-39341

In the Linux kernel, the following vulnerability has been resolved: 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 Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C...

CVE-2026-53138

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Bound VBIOS record-chain walk loops Why & How All record-chain walk loops in biosparser.c and biosparser2.c use for;; and only terminate on a 0xFF recordtype sentinel or zero recordsize. A malformed VBIOS image...

CVE-2026-53136

In the Linux kernel, the following vulnerability has been resolved: 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 Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C...

CVE-2026-53136

In the Linux kernel, the following vulnerability has been resolved: 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 Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C...

CVE-2026-53138

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Bound VBIOS record-chain walk loops Why & How All record-chain walk loops in biosparser.c and biosparser2.c use for;; and only terminate on a 0xFF recordtype sentinel or zero recordsize. A malformed VBIOS image...

CVE-2026-53138 drm/amd/display: Bound VBIOS record-chain walk loops

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Bound VBIOS record-chain walk loops Why & How All record-chain walk loops in biosparser.c and biosparser2.c use for;; and only terminate on a 0xFF recordtype sentinel or zero recordsize. A malformed VBIOS image...

CVE-2026-53138

The CVE-2026-53138 issue affects the Linux kernel’s drm/amd/display driver. A malformed VBIOS image can cause unbounded record-chain walk loops in bios_parser.c and bios_parser2.c due to for(;;) loops that terminate only on a 0xFF sentinel or zero record_size. This can lead to a large number of i...

CVE-2026-53138 drm/amd/display: Bound VBIOS record-chain walk loops

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Bound VBIOS record-chain walk loops Why & How All record-chain walk loops in biosparser.c and biosparser2.c use for;; and only terminate on a 0xFF recordtype sentinel or zero recordsize. A malformed VBIOS image...

CVE-2026-53136

In the Linux kernel, the following vulnerability has been resolved: 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 Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C...

CVE-2026-53136 drm/amd/display: Clamp VBIOS HDMI retimer register count to array size

In the Linux kernel, the following vulnerability has been resolved: 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 Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C...

CVE-2026-53136

The CVE-2026-53136 issue affects the Linux kernel in the DRM AMD display driver. It arises from VBIOS info fields HdmiRegNum and Hdmi6GRegNum being used as loop bounds to copy retimer I2C settings into fixed-size arrays without validation, enabling an out-of-bounds heap write during driver probe....

CVE-2026-53136 drm/amd/display: Clamp VBIOS HDMI retimer register count to array size

In the Linux kernel, the following vulnerability has been resolved: 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 Hdmi6GRegNum fields that are used as loop bounds when copying retimer I2C...

PT-2026-52234

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel within the drm/amd/display component. Record-chain walk loops in bios parser.c and bios parser2.c utilize for;; loops that only terminate upon...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: APEI/GHES: ARM processor Error: Do not go beyond the allocated memory If the BIOS generates a very small ARM Processor Error, or an incomplete one, the current logic will fail to deferrence err-sectionlength and ctxinfo-size...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: hp-bioscfg: Fixed warnings regarding empty attribute names in kobjects. The hp-bioscfg driver attempts to register kobjects with empty names when the HP BIOS returns attributes with empty name strings. This causes...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Platform/x86: hp-bioscfg: Fixed kernel panic in the GETINSTANCEID macro. The GETINSTANCEID macro caused a kernel panic when accessing sysfs attributes. 1. Off-by-one error: The loop condition used name without checking whether...