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ubuntucveUbuntu.comUB:CVE-2019-15030
HistorySep 09, 2019 - 12:00 a.m.

CVE-2019-15030

2019-09-0900:00:00
ubuntu.com
ubuntu.com
33

0.0004 Low

EPSS

Percentile

5.2%

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.

Bugs

Notes

Author Note
sbeattie powerpc arches only
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-64.73UNKNOWN
ubuntu19.04noarchlinux< 5.0.0-29.31UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1050.52UNKNOWN
ubuntu19.04noarchlinux-aws< 5.0.0-1016.18UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1050.52~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 5.0.0-1020.21~18.04.1UNKNOWN
ubuntu19.04noarchlinux-azure< 5.0.0-1020.21UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1059.64~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1059.64UNKNOWN
ubuntu18.04noarchlinux-azure-edge< 5.0.0-1020.21~18.04.1UNKNOWN
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