Bugs in dynamic height handling for AMD IOMMU pagetables

ISSUE DESCRIPTION When running on AMD systems with an IOMMU, Xen attempted to dynamically adapt the number of levels of pagetables the pagetable height in the IOMMU according to the guest's address space size. The code to select and update the height had several bugs. Notably, the update was done...

CVE-2019-5098

An exploitable out-of-bounds read vulnerability exists in AMD ATIDXX64.DLL driver, version 26.20.13001.29010. A specially crafted pixel shader can cause out-of-bounds memory read. An attacker can provide a specially crafted shader file to trigger this vulnerability. This vulnerability can be...

CVE-2019-5098

An exploitable out-of-bounds read vulnerability exists in AMD ATIDXX64.DLL driver, version 26.20.13001.29010. A specially crafted pixel shader can cause out-of-bounds memory read. An attacker can provide a specially crafted shader file to trigger this vulnerability. This vulnerability can be...

Out-of-bounds

An exploitable out-of-bounds read vulnerability exists in AMD ATIDXX64.DLL driver, version 26.20.13001.29010. A specially crafted pixel shader can cause out-of-bounds memory read. An attacker can provide a specially crafted shader file to trigger this vulnerability. This vulnerability can be...

CVE-2019-5098

CVE-2019-5098 is an exploitable out-of-bounds read in the AMD ATI Radeon ATIDXX64.DLL shader path (version 26.20.13001.29010). A malformed pixel shader within a VMware guest can trigger an out-of-bounds memory read, potentially impacting the VM host process (vmware-vmx.exe). Technical details fro...

CVE-2019-5098

An exploitable out-of-bounds read vulnerability exists in AMD ATIDXX64.DLL driver, version 26.20.13001.29010. A specially crafted pixel shader can cause out-of-bounds memory read. An attacker can provide a specially crafted shader file to trigger this vulnerability. This vulnerability can be...

UBUNTU-CVE-2019-19602

fpregsstatevalid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service memory corruption or possibly have unspecified other impact because of incorrect fpufpregsownerctx caching, as demonstrated...

Vulnerability Spotlight: AMD ATI Radeon ATIDXX64.DLL shader functionality sincos denial-of-service vulnerability

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a denial-of-service vulnerability in a specific dll inside of the AMD ATI Radeon line of video cards. This vulnerability can be triggered by supplying a malformed pixel shader inside a...

AMD ATI Radeon ATIDXX64.DLL shader functionality sincos denial-of-service vulnerability

Summary An exploitable out-of-bounds read vulnerability exists in AMD ATIDXX64.DLL driver, version 26.20.13001.29010. A specially crafted pixel shader can cause out-of-bounds memory read. An attacker can provide a specially crafted shader file to trigger this vulnerability. This vulnerability can...

AMD 'ATIDXX64.DLL' Driver CVE-2019-5098 Denial of Service Vulnerability

Description An AMD ATI driver is prone to denial-of-service vulnerability. An attacker can exploit this issue to cause a denial-of-service condition. Due to the nature of this issue, code execution may be possible but this has not been confirmed. Technologies Affected AMD ATI Radeon AMD ATI Radeo...

USN-4208-1: Linux kernel vulnerabilities

Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux kernel did not properly handle reference counting during memory mapping operations when used in conjunction with AUFS. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary...

DEBIAN-CVE-2019-19083

Memory leaks in clocksourcecreate functions under drivers/gpu/drm/amd/display/dc in the Linux kernel before 5.3.8 allow attackers to cause a denial of service memory consumption. This affects the dce112clocksourcecreate function in drivers/gpu/drm/amd/display/dc/dce112/dce112resource.c, the...

CVE-2019-19083

Memory leaks in clocksourcecreate functions under drivers/gpu/drm/amd/display/dc in the Linux kernel before 5.3.8 allow attackers to cause a denial of service memory consumption. This affects the dce112clocksourcecreate function in drivers/gpu/drm/amd/display/dc/dce112/dce112resource.c, the...

DEBIAN-CVE-2019-19067

Four memory leaks in the acphwinit function in drivers/gpu/drm/amd/amdgpu/amdgpuacp.c in the Linux kernel before 5.3.8 allow attackers to cause a denial of service memory consumption by triggering mfdaddhotplugdevices or pmgenpdadddevice failures, aka CID-57be09c6e874. NOTE: third parties dispute...

UBUNTU-CVE-2019-19083

Memory leaks in clocksourcecreate functions under drivers/gpu/drm/amd/display/dc in the Linux kernel before 5.3.8 allow attackers to cause a denial of service memory consumption. This affects the dce112clocksourcecreate function in drivers/gpu/drm/amd/display/dc/dce112/dce112resource.c, the...

Design/Logic Flaw

Memory leaks in clocksourcecreate functions under drivers/gpu/drm/amd/display/dc in the Linux kernel before 5.3.8 allow attackers to cause a denial of service memory consumption. This affects the dce112clocksourcecreate function in drivers/gpu/drm/amd/display/dc/dce112/dce112resource.c, the...

CVE-2019-19083

CVE-2019-19083: In Linux kernel before 5.3.8, memory leaks in clock_source_create() under drivers/gpu/drm/amd/display/dc can cause memory exhaustion and DoS. Affects dce112_clock_source_create(), dce100_clock_source_create(), dcn10_clock_source_create(), dcn20_clock_source_create(), dce120_clock_...

CVE-2019-19082

CVE-2019-19082 : Memory leaks in the Linux kernel’s AMD display driver DC code allow memory exhaustion/DoS via multiple create_resource_pool() variants (dce120/dce110/dce100/dcn10/dce112_resource.c; CID-104c307147ad). Affects kernel up to 5.3.11; exploitation would be local and relies on resource...

CVE-2019-19067

Summary (CVE-2019-19067) Four memory leaks in the acp_hw_init() function of amdgpu/acp.c in the Linux kernel (before 5.3.8) can cause memory consumption and denial of service when mfd_add_hotplug_devices() or pm_genpd_add_device() fail. The issue is reported as exploitable by a local attacker wit...

Linux kernel memory leak vulnerability (CNVD-2019-41274)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A memory leak vulnerability exists in the clocksourcecreate function under drivers/gpu/drm/amd/display/dc in Linux...