CVE-2019-12817

 

Published at: - 25-06-2019 02:15

Last modified: - 26-10-2022 01:44

Total changes: - 5

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.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15
• USN-4031-1-Third Party Advisory
• [oss-security] 20190625 CVE-2019-12817: Linux kernel: powerpc: Unrelated processes may be able to read/write to each other's virtual memory-Mailing List, Third Party Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca72d88378b2f2444d3ec145dd442d449d3fefbc
• 108884-Broken Link
• FEDORA-2019-6817686c4d-Mailing List, Third Party Advisory
• FEDORA-2019-69c132b061-Mailing List, Third Party Advisory
• openSUSE-SU-2019:1757-Mailing List, Third Party Advisory
• DSA-4495-Third Party Advisory
• 20190812 [SECURITY] [DSA 4495-1] linux security update-Mailing List, Third Party Advisory
• https://support.f5.com/csp/article/K12876166
• RHSA-2019:2703-Third Party Advisory
• https://support.f5.com/csp/article/K12876166?utm_source=f5support&utm_medium=RSS

 

Keywords

NVD

 

CVE-2019-12817

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures