PT-2020-2318 · Linux+6 · Linux Kernel+6
Entropy Moe
·
Published
2020-04-01
·
Updated
2024-08-04
·
CVE-2020-11565
CVSS v3.1
6.0
Medium
| Vector | AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions through 5.6.2
Description
The issue is related to a stack-based out-of-bounds write in the
mpol parse str function in mm/mempolicy.c due to mishandling of an empty nodelist during mount option parsing. This could potentially allow for denial of service or privilege escalation. However, it is noted that the issue can only be triggered by a privileged user and does not grant any additional powers.Recommendations
For Linux kernel versions through 5.6.2, as a temporary workaround, consider disabling the
mpol parse str function until a patch is available. Restrict access to mount options to minimize the risk of exploitation. Avoid using empty nodelists in mount option parsing until the issue is resolved.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.Memory Corruption
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Centos
Linuxmint
Linux Kernel
Red Hat
Ubuntu