CVE-2018-20784

Description

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

https://usn.ubuntu.com/4211-2/

https://usn.ubuntu.com/4211-1/

https://usn.ubuntu.com/4118-1/

https://usn.ubuntu.com/4115-1/

https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2

https://access.redhat.com/errata/RHSA-2019:1971

https://access.redhat.com/errata/RHSA-2019:1959

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3