All errata/p8/ALT-PU-2019-1410-1
ALT-PU-2019-1410-1

Package update kernel-image-std-def in branch p8

Version4.9.162-alt0.M80P.1
Task#224044
Published2019-03-12
Max severityMEDIUM
Severity:

Closed issues (2)

BDU:2021-01438
MEDIUM5.5

Уязвимость функции expand_downwards ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2021-03-21Modified: 2024-06-04
CVSS 3.xMEDIUM 5.5
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0MEDIUM 4.6
CVSS:2.0/AV:L/AC:L/Au:S/C:N/I:N/A:C
References
CVE-2019-9213
MEDIUM5.5

In the Linux kernel before 4.20.14, expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which makes it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task.

Published: 2019-03-05Modified: 2024-11-21
CVSS 2.0MEDIUM 4.9
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References