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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.0:rc1:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:*

History

21 Nov 2024, 04:02

Type Values Removed Values Added
References () http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0 - Patch, Vendor Advisory () http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40f7d74c741a907cfaeb73a7697081881c497d0 - Patch, Vendor Advisory
References () https://access.redhat.com/errata/RHSA-2019:1959 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2019:1959 - Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2019:1971 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2019:1971 - Third Party Advisory
References () https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2 - Release Notes, Vendor Advisory () https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2 - Release Notes, Vendor Advisory
References () https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0 - Patch, Third Party Advisory () https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0 - Patch, Third Party Advisory
References () https://usn.ubuntu.com/4115-1/ - Third Party Advisory () https://usn.ubuntu.com/4115-1/ - Third Party Advisory
References () https://usn.ubuntu.com/4118-1/ - Third Party Advisory () https://usn.ubuntu.com/4118-1/ - Third Party Advisory
References () https://usn.ubuntu.com/4211-1/ - Third Party Advisory () https://usn.ubuntu.com/4211-1/ - Third Party Advisory
References () https://usn.ubuntu.com/4211-2/ - Third Party Advisory () https://usn.ubuntu.com/4211-2/ - Third Party Advisory

Information

Published : 2019-02-22 15:29

Updated : 2024-11-21 04:02


NVD link : CVE-2018-20784

Mitre link : CVE-2018-20784

CVE.ORG link : CVE-2018-20784


JSON object : View

Products Affected

canonical

  • ubuntu_linux

linux

  • linux_kernel

redhat

  • enterprise_linux
  • enterprise_linux_for_real_time
CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')