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prionPRIOn knowledge basePRION:CVE-2019-15030
HistorySep 13, 2019 - 1:15 p.m.

Code injection

2019-09-1313:15:00
PRIOn knowledge base
www.prio-n.com
9

5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users’ processes via a Facility Unavailable exception. 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 of a missing arch/powerpc/kernel/process.c check.

5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%