Security Advisory

CVE-2020-10702

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-06-04 17:31:05

Last updated 2024-08-04 11:06:11

Assigner redhat

State PUBLISHED

Description

A flaw was found in QEMU in the implementation of the Pointer Authentication (PAuth) support for ARM introduced in version 4.0 and fixed in version 5.0.0. A general failure of the signature generation process caused every PAuth-enforced pointer to be signed with the same signature. A local attacker could obtain the signature of a protected pointer and abuse this flaw to bypass PAuth protection for all programs running on QEMU.

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