CVE-2025-40181

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...

CVE-2025-40181 x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...

USN-7835-6: Linux kernel (AWS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7835-6 linux-aws-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990850)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990850 advisory. In the Linux kernel, the following vulnerability has been resolved: efistub/tpm: Use ACPI reclaim memory for event log to avoid corruption The TPM event log table is...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990883)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990883 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported acpievaluateobject may retu...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990834)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990834 advisory. In the Linux kernel, the following vulnerability has been resolved: ACPICA: check null return of ACPIALLOCATEZEROED in acpidbconverttopackage ACPICA commit...

kernel: acpi: typec: ucsi: Introduce a ->poll_cci method

In the Linux kernel, the following vulnerability has been resolved: acpi: typec: ucsi: Introduce a -pollcci method For the ACPI backend of UCSI the UCSI "registers" are just a memory copy of the register values in an opregion. The ACPI implementation in the BIOS ensures that the opregion contents...

kernel: acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl

In the Linux kernel, the following vulnerability has been resolved: acpi: nfit: vmalloc-out-of-bounds Read in acpinfitctl Fix an issue detected by syzbot with KASAN: BUG: KASAN: vmalloc-out-of-bounds in cmdtofunc drivers/acpi/nfit/ core.c:416 inline BUG: KASAN: vmalloc-out-of-bounds in...

kernel: acpi: typec: ucsi: Introduce a ->poll_cci method

In the Linux kernel, the following vulnerability has been resolved: acpi: typec: ucsi: Introduce a -pollcci method For the ACPI backend of UCSI the UCSI "registers" are just a memory copy of the register values in an opregion. The ACPI implementation in the BIOS ensures that the opregion contents...

kernel: acpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl

In the Linux kernel, the following vulnerability has been resolved: acpi: nfit: vmalloc-out-of-bounds Read in acpinfitctl Fix an issue detected by syzbot with KASAN: BUG: KASAN: vmalloc-out-of-bounds in cmdtofunc drivers/acpi/nfit/ core.c:416 inline BUG: KASAN: vmalloc-out-of-bounds in...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: tpm: Change to kvalloc() in eventlog/acpi.c

In the Linux kernel, the following vulnerability has been resolved: tpm: Change to kvalloc in eventlog/acpi.c The following failure was reported on HPE ProLiant D320: 10.693310 T1 tpmtis STM0925:00: 2.0 TPM device-id 0x3, rev-id 0 10.848132 T1 ------------ cut here ------------ 10.853559 T1...

RHEL 10 : kernel (RHSA-2025:20095)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:20095 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: Xen hypercall page unsa...

ALSA-2025:20095 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: Xen hypercall page unsafe against speculative attacks Xen Security Advisory 466 CVE-2024-53241 kernel: exfat: fix out-of-bounds access of directory entries CVE-2024-53147 kernel: zra...

ALSA-2025:20518 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: isotp: fix potential CAN frame reception race in isotprcv CVE-2022-48830 kernel: soc: qcom: cmd-db: Map shared memory as WC, not WB CVE-2024-46689 kernel: Squashfs: sanity check...

Updated xen packages fix security vulnerabilities

Double unlock in x86 guest IRQ handling. CVE-2024-31143 Xapi: Metadata injection attack against backup/restore functionality. CVE-2024-31144 Error handling in x86 IOMMU identity mapping. CVE-2024-31145 PCI device pass-through with shared resources. CVE-2024-31146 x86: Deadlock in vlapicerror...

MGASA-2025-0270 Updated xen packages fix security vulnerabilities

Double unlock in x86 guest IRQ handling. CVE-2024-31143 Xapi: Metadata injection attack against backup/restore functionality. CVE-2024-31144 Error handling in x86 IOMMU identity mapping. CVE-2024-31145 PCI device pass-through with shared resources. CVE-2024-31146 x86: Deadlock in vlapicerror...

USN-7835-5: Linux kernel (Oracle) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7835-5 linux-oracle-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...