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 |
---|---|
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://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2 | Release Notes Vendor Advisory |
https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0 | Patch 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/4211-1/ | Third Party Advisory |
https://usn.ubuntu.com/4211-2/ | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2019-02-22T15:00:00
Updated: 2019-12-10T01:06:03
Reserved: 2019-02-22T00:00:00
Link: CVE-2018-20784
JSON object: View
NVD Information
Status : Analyzed
Published: 2019-02-22T15:29:00.237
Modified: 2021-06-02T15:28:24.530
Link: CVE-2018-20784
JSON object: View
Redhat Information
No data.
CWE