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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0 ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0 ↗
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2 ↗
- https://access.redhat.com/errata/RHSA-2019:1959 ↗
- https://access.redhat.com/errata/RHSA-2019:1971 ↗
- https://usn.ubuntu.com/4115-1/ ↗
- https://usn.ubuntu.com/4118-1/ ↗
- https://usn.ubuntu.com/4211-2/ ↗
- https://usn.ubuntu.com/4211-1/ ↗