DEBIAN-CVE-2019-12817

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2019-12817
Downstream
DSA-4495-1
Published: 25 Jun 2019, 12:15
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Jun 2019, 12:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•linux

    < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1

References (1)