title: Mali GPU Userspace Driver can make an Out-of-Bounds access
description: Out-of-bounds Write vulnerability in Arm Ltd Midgard GPU Userspace Driver, Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a local non-privileged user to write a constant pattern to a limited amount of memory not allocated by the user space driver.This issue affects Midgard GPU Userspace Driver: from r0p0 through r32p0; Bifrost GPU Userspace Driver: from r0p0 through r44p0; Valhall GPU Userspace Driver: from r19p0 through r44p0; Arm 5th Gen GPU Architecture Userspace Driver: from r41p0 through r44p0.
problem types: CWE-787 Out-of-bounds Write
affected:
{
defaultStatus: unaffected
product: Midgard GPU Userspace Driver
vendor: Arm Ltd
versions:
lessThanOrEqual: r32p0, status: affected, version: r0p0, versionType: patch
}
{
defaultStatus: unaffected
product: Bifrost GPU Userspace Driver
vendor: Arm Ltd
versions:
changes: [at: r44p1, status: unaffected], lessThanOrEqual: r44p0, status: affected, version: r0p0, versionType: patch
}
{
defaultStatus: unaffected
product: Valhall GPU Userspace Driver
vendor: Arm Ltd
versions:
changes: [at: r44p1, status: unaffected], lessThanOrEqual: r44p0, status: affected, version: r19p0, versionType: patch
}
{
defaultStatus: unaffected
product: Arm 5th Gen GPU Architecture Userspace Driver
vendor: Arm Ltd
versions:
changes: [at: r44p1, status: unaffected], lessThanOrEqual: r44p0, status: affected, version: r41p0, versionType: patch
}
solutions: This issue is fixed in Bifrost, Valhall and Arm 5th Gen GPU Architecture Userspace Driver r44p1 and r45p0. Users are recommended to upgrade if they are impacted by this issue. Please contact Arm support for Midgard GPUs.