critical9.8
CVE-2018-20784
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_b…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 4.13 before 4.14.93 from 4.19 before 4.19.15 from 4.20 before 4.20.2 Version 5.0 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 18.04 |
| Redhat | Enterprise Linux | Version 8.0 |
| Redhat | Enterprise Linux For Real Time | Version 8 |
Weakness classification
References
- NVD record
- CVE.org record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0
- https://access.redhat.com/errata/RHSA-2019:1959
- https://access.redhat.com/errata/RHSA-2019:1971
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2
- https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0
- https://usn.ubuntu.com/4115-1/
- https://usn.ubuntu.com/4118-1/
- https://usn.ubuntu.com/4211-1/
- https://usn.ubuntu.com/4211-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0
- https://access.redhat.com/errata/RHSA-2019:1959
- https://access.redhat.com/errata/RHSA-2019:1971
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2
- https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0
- https://usn.ubuntu.com/4115-1/
- https://usn.ubuntu.com/4118-1/
- https://usn.ubuntu.com/4211-1/
- https://usn.ubuntu.com/4211-2/