arm: guest_physmap_remove_page not removing the p2m mappings

ISSUE DESCRIPTION The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the valid bit set. It is possible to have a vali...

UBUNTU-CVE-2018-3574

In all android releases Android for MSM, Firefox OS for MSM, QRD Android from CAF using the linux kernel, userspace can request ION cache maintenance on a secure ION buffer for which the IONFLAGSECURE ion flag is not set and cause the kernel to attempt to perform cache maintenance on memory which...

CVE-2018-3574

CVE-2018-3574 describes a vulnerability in CAF Android kernel userspace cache maintenance for ION buffers where the ION_FLAG_SECURE flag is not set, causing the kernel to perform cache maintenance on memory that does not belong to HLOS. The provided sources (NVD entry and Debian/Ubuntu security t...

CVE-2018-3574

In all android releases Android for MSM, Firefox OS for MSM, QRD Android from CAF using the linux kernel, userspace can request ION cache maintenance on a secure ION buffer for which the IONFLAGSECURE ion flag is not set and cause the kernel to attempt to perform cache maintenance on memory which...

Design/Logic Flaw

User process can perform the kernel DOS in ashmem when doing cache maintenance operation in all Android releasesAndroid for MSM, Firefox OS for MSM, QRD Android from CAF using the Linux kernel...

CVE-2017-18169

User process can perform the kernel DOS in ashmem when doing cache maintenance operation in all Android releasesAndroid for MSM, Firefox OS for MSM, QRD Android from CAF using the Linux kernel...

UBUNTU-CVE-2017-18169

User process can perform the kernel DOS in ashmem when doing cache maintenance operation in all Android releasesAndroid for MSM, Firefox OS for MSM, QRD Android from CAF using the Linux kernel...

CVE-2017-18169

User process can perform the kernel DOS in ashmem when doing cache maintenance operation in all Android releasesAndroid for MSM, Firefox OS for MSM, QRD Android from CAF using the Linux kernel...

CVE-2017-9724

In all Qualcomm products with Android releases from CAF using the Linux kernel, user-level permissions can be used to gain access to kernel memory, specifically the ION cache maintenance code is writing to a user supplied address...

CVE-2017-9724

In all Qualcomm products with Android releases from CAF using the Linux kernel, user-level permissions can be used to gain access to kernel memory, specifically the ION cache maintenance code is writing to a user supplied address...

CVE-2017-9724

CVE-2017-9724 affects Qualcomm products running CAF Android builds with the Linux kernel. The root cause is in the ION cache maintenance code, where kernel memory could be written from a user-supplied address due to user-level permissions. This allows a local attacker to Access kernel memory (loc...