Race Condition Affecting kernel-rt-kvm package, versions <0:3.10.0-862.rt56.804.el7
Threat Intelligence
EPSS
0.04% (11th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRTKVM-2099106
- published 26 Jul 2021
- disclosed 1 Nov 2017
How to fix?
Upgrade Centos:7 kernel-rt-kvm to version 0:3.10.0-862.rt56.804.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 dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices.
References
- http://www.securityfocus.com/bid/103184
- https://access.redhat.com/security/cve/CVE-2017-18203
- https://www.debian.org/security/2018/dsa-4187
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf8104812626ef85dc56ee8a60ed
- https://github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60ed
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://access.redhat.com/errata/RHSA-2018:0676
- 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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