vulnerability
CentOS Linux: CVE-2019-15030: Important: kernel-alt security and bug fix update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:N/A:P) | Sep 13, 2019 | Mar 12, 2020 | May 25, 2023 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:P)
Published
Sep 13, 2019
Added
Mar 12, 2020
Modified
May 25, 2023
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.
Solution
centos-upgrade-kernel
References
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