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CVE-2019-15030 PUBLISHED

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.

EPSS 0.07% · 22.1th percentile

Risk Scores

EPSS Score
0.07%
22.1th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSlinux-hwe4.15.0-36.39~16.04.1, 4.15.0-39.42~16.04.1, 4.15.0-38.41~16.04.1
Ubuntu:20.04:LTSlinux-riscv5.4.0-31.35, 5.4.0-30.34, 5.4.0-28.32
Ubuntu:16.04:LTSlinux-gcp0, 4.10.0-1004.4, 4.10.0-1006.6
Ubuntu:24.04:LTSlinux-raspi-realtime0, 6.8.0-2019.20
Ubuntu:18.04:LTSlinux-oem-osp15.0.0-1010.11, 0, 5.0.0-1020.22
Ubuntu:18.04:LTSlinux0, 4.15.0-48.51, 4.15.0-47.50
Ubuntu:22.04:LTSlinux-riscv5.13.0-1004.4, 5.13.0-1007.7+22.04.1, 5.13.0-1010.11+22.04.1
Ubuntu:Pro:FIPS:18.04:LTSlinux-gcp-fips4.15.0-1001.1, 0
Ubuntu:18.04:LTSlinux-gke-5.00, 5.0.0-1015.15~18.04.1, 5.0.0-1013.13~18.04.1
Ubuntu:18.04:LTSlinux-hwe4.18.0-22.23~18.04.1, 4.18.0-13.14~18.04.1, 4.18.0-14.15~18.04.1
Ubuntu:Pro:FIPS:18.04:LTSlinux-aws-fips0, 4.15.0-2000.4
Ubuntu:22.04:LTSlinux-intel-iot-realtime5.15.0-1073.75, 0
Ubuntu:20.04:LTSlinux-azure-fde5.4.0-1069.72+cvm1.1, 5.4.0-1068.71+cvm1.1, 5.4.0-1067.70+cvm1.1
Ubuntu:18.04:LTSlinux-oem4.15.0-1034.39, 4.15.0-1012.15, 4.15.0-1009.12
Ubuntu:Pro:FIPS-updates:18.04:LTSlinux-aws-fips4.15.0-2000.4, 0
Ubuntu:18.04:LTSlinux-gcp4.15.0-1021.22, 0, 4.15.0-1001.1
Ubuntu:18.04:LTSlinux-hwe-edge0, 5.0.0-15.16~18.04.1, 5.0.0-16.17~18.04.1
Ubuntu:18.04:LTSlinux-oracle4.15.0-1023.26, 4.15.0-1022.25, 4.15.0-1018.20
Ubuntu:18.04:LTSlinux-aws4.15.0-1040.42, 4.15.0-1039.41, 4.15.0-1037.39
Ubuntu:20.04:LTSlinux-gke5.4.0-1057.60, 5.4.0-1055.58, 5.4.0-1054.57

…and 12 more

Timeline

References

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