CVE-2026-89587 ACPI: pfr_update: fix stack buffer overflow in query_capability()

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

CVE-2026-89587

CVE-2026-89587 is a stack buffer overflow in the Linux kernel's ACPI Platform Firmware Runtime Update (pfr_update) driver. The query_capability() function uses memcpy to copy four firmware-supplied ACPI buffer objects (code_type, drv_type, platform_id, oem_id) into fixed-size u8[16] fields of the...

CVE-2026-89588

In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: GHES: fix ARM section length accounting after header In gheshandlearmhwerror, after skipping the cpersecprocarm header with err + 1, the remaining length was reduced by sizeoferr pointer size instead of sizeoferr...

EUVD-2026-76500

In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: GHES: fix ARM section length accounting after header In gheshandlearmhwerror, after skipping the cpersecprocarm header with err + 1, the remaining length was reduced by sizeoferr pointer size instead of sizeoferr...

CVE-2026-89588 ACPI: APEI: GHES: fix ARM section length accounting after header

In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: GHES: fix ARM section length accounting after header In gheshandlearmhwerror, after skipping the cpersecprocarm header with err + 1, the remaining length was reduced by sizeoferr pointer size instead of sizeoferr...

CVE-2026-89587

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

CVE-2026-89436 platform/x86: panasonic-laptop: Fix sentinel write past pcc->sinf[]

In the Linux kernel, the following vulnerability has been resolved: platform/x86: panasonic-laptop: Fix sentinel write past pcc-sinf acpipccretrievebiosdata rejects SINF packages only when pcc-numsifr is strictly less than hkey-package.count, then unconditionally writes a trailing sentinel at...

CVE-2026-81011 platform/x86: hp-bioscfg: pass validated element count to package parsers

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: pass validated element count to package parsers The per-type package parsers are handed the wrong element count. hpinitbiospackageattribute validates obj-package.count and then calls one of the five...

CVE-2026-81011 platform/x86: hp-bioscfg: pass validated element count to package parsers

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: pass validated element count to package parsers The per-type package parsers are handed the wrong element count. hpinitbiospackageattribute validates obj-package.count and then calls one of the five...

CVE-2026-81011

CVE-2026-81011 affects the Linux kernel's hp-bioscfg platform driver (platform/x86). The per-type package parsers derive the element count from elements[0] (the ACPI NAME field, always a string) rather than the validated obj->package.count, causing them to bound against the name string length ...

PT-2026-90303

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfr update: fix stack buffer overflow in query capability query capability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfru update cap info using memcpy with the...

CVE-2026-89587: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

PT-2026-90141

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: pass validated element count to package parsers The per-type package parsers are handed the wrong element count. hp init bios package attribute validates obj-package.count and then calls one of the five ...

CVE-2026-89589: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: acpi/apei/ghes: Use rawspinlockt for CXL CPER work locks The CXL CPER work registration and unregistration helpers acquire cxlcperworklock and cxlcperproterrworklock with a spinlock guard, which leaves local interrupts enabled. T...

CVE-2026-89588: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: GHES: fix ARM section length accounting after header In gheshandlearmhwerror, after skipping the cpersecprocarm header with err + 1, the remaining length was reduced by sizeoferr pointer size instead of sizeoferr...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107270)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107270 advisory. In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpifetchacpidev return value The return value of acpifetchacpidev...

The vulnerability of the uniwill_init() function in the drivers/platform/x86/uniwill/uniwill-acpi.c driver for X86 processors in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the uniwillinit function in the drivers/platform/x86/uniwill/uniwill-acp.c driver for X86 devices in the Linux operating system is related to improper energy consumption restrictions. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the acpi_button_remove() function in the drivers/acpi/button.c driver of the ACPI configuration and power management extended interface for the Linux operating system allows a attacker to compromise the integrity of protected information or cause service failures.

The vulnerability of the acpibuttonremove function in the drivers/acpi/button.c driver of the Linux ACPI configuration and power management extension framework is related to the re-release of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053437)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053437 advisory. In the Linux kernel, the following vulnerability has been resolved: ACPI: sysfs: validate return type of STR method Only buffer objects are valid return values of ST...

The vulnerability of the acpi_ecremove_query_handlers() function in the drivers/acpi/ec.c file of the ACPI configuration and power management extended interface driver for the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the acpiecremovequeryhandlers function in the drivers/acpi/ec.c file of the ACPI configuration and power management extended interface driver for the Linux operating system is related to the race condition that occurs when a common resource is used. Exploiting this...