7

CVE-2019-12817

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.10
Canonical ≫ Ubuntu Linux Version19.04
Linux ≫ Linux Kernel Version < 5.1.15
Fedoraproject ≫ Fedora Version29
Fedoraproject ≫ Fedora Version30
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Opensuse ≫ Leap Version15.1
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Eus Version8.1
Redhat ≫ Enterprise Linux Eus Version8.2
Redhat ≫ Enterprise Linux Eus Version8.4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.07% 0.209
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://seclists.org/bugtraq/2019/Aug/13
Third Party Advisory
Mailing List
https://usn.ubuntu.com/4031-1/
Third Party Advisory