Unrated severityNVD Advisory· Published Feb 22, 2019· Updated Aug 5, 2024
CVE-2018-20784
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
29- Range: <4.20.2
- Range: < 4.20.2
- osv-coords27 versionspkg:rpm/suse/kernel-default&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/kernel-source&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/kernel-syms&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_45&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_45&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_45&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_45&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_45&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208
< 4.4.180-94.164.3+ 26 more
- (no CPE)range: < 4.4.180-94.164.3
- (no CPE)range: < 4.4.180-94.164.3
- (no CPE)range: < 4.4.121-92.175.2
- (no CPE)range: < 4.4.180-94.164.3
- (no CPE)range: < 4.4.180-94.164.3
- (no CPE)range: < 4.4.180-94.164.3
- (no CPE)range: < 4.4.180-94.164.3
- (no CPE)range: < 4.4.180-94.164.3
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.121-92.175.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.121-92.175.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 4.4.180-94.164.2
- (no CPE)range: < 1-4.3.2
- (no CPE)range: < 1-4.3.2
- (no CPE)range: < 1-4.3.2
- (no CPE)range: < 1-4.3.2
- (no CPE)range: < 1-4.3.2
Patches
Vulnerability mechanics
References
9- access.redhat.com/errata/RHSA-2019:1959mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2019:1971mitrevendor-advisoryx_refsource_REDHAT
- usn.ubuntu.com/4115-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4118-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4211-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4211-2/mitrevendor-advisoryx_refsource_UBUNTU
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/mitrex_refsource_MISC
- cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2mitrex_refsource_MISC
- github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c497d0mitrex_refsource_MISC
News mentions
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