CVE-2019-15030

MediumCVSS 4.4/10Last modified Jun 17, 2026

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 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.

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Weakness enumeration

CWE-862

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/09/10/3Mailing List, Patch, Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0740
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8205d5d98ef7f155de211f5e2eb6ca03d95a5a60Exploit, Mailing List, Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory
https://usn.ubuntu.com/4135-1/Third Party Advisory
https://usn.ubuntu.com/4135-2/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/09/10/3Mailing List, Patch, Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0740
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8205d5d98ef7f155de211f5e2eb6ca03d95a5a60Exploit, Mailing List, Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/Third Party Advisory
https://usn.ubuntu.com/4135-1/Third Party Advisory
https://usn.ubuntu.com/4135-2/Third Party Advisory

Timeline

Published: Sep 13, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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