vulnerability
Ubuntu: USN-4031-1 (CVE-2019-12817): Linux kernel vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Jun 24, 2019 | Jun 24, 2019 | Aug 18, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Jun 24, 2019
Added
Jun 24, 2019
Modified
Aug 18, 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.
Solutions
ubuntu-upgrade-linux-image-4-18-0-24-genericubuntu-upgrade-linux-image-5-0-0-19-genericubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-18-04
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