ISOMAN

CVE

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_blocked_averages) or possibly have unspecified other impact by inducing a high load.

Severity
CRITICAL
CVSS
9.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0
  2. https://access.redhat.com/errata/RHSA-2019:1959
  3. https://access.redhat.com/errata/RHSA-2019:1971
  4. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2
  5. https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0
  6. https://usn.ubuntu.com/4115-1/
  7. https://usn.ubuntu.com/4118-1/
  8. https://usn.ubuntu.com/4211-1/
  9. https://usn.ubuntu.com/4211-2/
  10. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0
  11. https://access.redhat.com/errata/RHSA-2019:1959
  12. https://access.redhat.com/errata/RHSA-2019:1971
  13. https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2
  14. https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0
  15. https://usn.ubuntu.com/4115-1/
  16. https://usn.ubuntu.com/4118-1/
  17. https://usn.ubuntu.com/4211-1/
  18. https://usn.ubuntu.com/4211-2/