In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfs_rq's, which allows attackers to cause a denial of service (infinite loop in update_blocked_averages) or possibly have unspecified other impact by inducing a high load.
References
Link | Resource |
---|---|
https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0 | Patch Third Party Advisory |
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2 | Release Notes Vendor Advisory |
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0 | Patch Vendor Advisory |
https://access.redhat.com/errata/RHSA-2019:1959 | Third Party Advisory |
https://access.redhat.com/errata/RHSA-2019:1971 | Third Party Advisory |
https://usn.ubuntu.com/4115-1/ | Third Party Advisory |
https://usn.ubuntu.com/4118-1/ | Third Party Advisory |
https://usn.ubuntu.com/4211-2/ | Third Party Advisory |
https://usn.ubuntu.com/4211-1/ | Third Party Advisory |
Configurations
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Information
Published : 2019-02-22 07:29
Updated : 2021-06-02 08:28
NVD link : CVE-2018-20784
Mitre link : CVE-2018-20784
JSON object : View
CWE
CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
Products Affected
redhat
- enterprise_linux
- enterprise_linux_for_real_time
canonical
- ubuntu_linux
linux
- linux_kernel