Description
The madvise_willneed function in mm/madvise.c in the Linux kernel before 4.14.4 allows local users to cause a denial of service (infinite loop) by triggering use of MADVISE_WILLNEED for a DAX mapping.
References (16)
Core 16
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3083
Vendor Advisory x_refsource_misc
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3619-2/
Vendor Advisory x_refsource_misc
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2948
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3653-2/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3655-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3655-2/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3653-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3657-1/
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3096
Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3619-1/
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3967
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:4058
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:4057
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
15.5%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-835
Status
published
Products (1)
linux/linux_kernel
< 4.14.4
Published
Mar 01, 2018
Tracked Since
Feb 18, 2026