Name | CVE-2019-12817 |
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. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
References | DSA-4495-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
linux (PTS) | bullseye (security), bullseye | 5.10.223-1 | fixed |
| bookworm | 6.1.106-3 | fixed |
| bookworm (security) | 6.1.99-1 | fixed |
| trixie | 6.10.11-1 | fixed |
| sid | 6.10.12-1 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|
linux | source | jessie | (not affected) | | | |
linux | source | stretch | (not affected) | | | |
linux | source | buster | 4.19.37-5+deb10u2 | | DSA-4495-1 | |
linux | source | (unstable) | 5.2.6-1 | | | |
Notes
[stretch] - linux <not-affected> (Vulnerable code not present)
[jessie] - linux <not-affected> (Vulnerable code not present)