SUSE: CVE-2019-15031: SUSE Linux Security Advisory
Description
In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process, because MSR_TM_ACTIVE is misused in arch/powerpc/kernel/process.c.
Solution(s)
- suse-upgrade-cluster-md-kmp-default
- suse-upgrade-dlm-kmp-default
- suse-upgrade-gfs2-kmp-default
- suse-upgrade-kernel-default
- suse-upgrade-kernel-default-extra
- suse-upgrade-kernel-docs
- suse-upgrade-kernel-obs-build
- suse-upgrade-ocfs2-kmp-default
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