vulnerability
Red Hat: CVE-2019-12817: CVE-2019-12817 kernel: ppc: unrelated processes being able to read/write to each other's virtual memory (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Jun 25, 2019 | Sep 11, 2019 | Aug 11, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Jun 25, 2019
Added
Sep 11, 2019
Modified
Aug 11, 2025
Description
arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.
Solution
redhat-upgrade-kernel
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