Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-rt-kvm package, versions <0:3.10.0-957.rt56.910.el7
Threat Intelligence
EPSS
0.04% (11th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRTKVM-2110449
- published 26 Jul 2021
- disclosed 30 Nov 2017
Introduced: 30 Nov 2017
CVE-2017-18208 Open this link in a new tabHow to fix?
Upgrade Centos:7 kernel-rt-kvm to version 0:3.10.0-957.rt56.910.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-kvm package and not the kernel-rt-kvm package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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
- https://access.redhat.com/security/cve/CVE-2017-18208
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91
- https://github.com/torvalds/linux/commit/6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4
- https://access.redhat.com/errata/RHSA-2018:3096
- https://usn.ubuntu.com/3619-1/
- https://usn.ubuntu.com/3619-2/
- https://usn.ubuntu.com/3653-1/
- https://usn.ubuntu.com/3653-2/
- https://usn.ubuntu.com/3655-1/
- https://usn.ubuntu.com/3655-2/
- https://usn.ubuntu.com/3657-1/
CVSS Scores
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