vulnerability
Ubuntu: (Multiple Advisories) (CVE-2018-20784): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Feb 22, 2019 | Sep 3, 2019 | Aug 18, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Feb 22, 2019
Added
Sep 3, 2019
Modified
Aug 18, 2025
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.
Solutions
ubuntu-upgrade-linux-image-4-15-0-1022-oracleubuntu-upgrade-linux-image-4-15-0-1041-gcpubuntu-upgrade-linux-image-4-15-0-1041-gkeubuntu-upgrade-linux-image-4-15-0-1043-kvmubuntu-upgrade-linux-image-4-15-0-1044-raspi2ubuntu-upgrade-linux-image-4-15-0-1047-awsubuntu-upgrade-linux-image-4-15-0-1056-azureubuntu-upgrade-linux-image-4-15-0-60-genericubuntu-upgrade-linux-image-4-15-0-60-generic-lpaeubuntu-upgrade-linux-image-4-15-0-60-lowlatencyubuntu-upgrade-linux-image-4-4-0-1059-awsubuntu-upgrade-linux-image-4-4-0-1063-kvmubuntu-upgrade-linux-image-4-4-0-1099-awsubuntu-upgrade-linux-image-4-4-0-1126-raspi2ubuntu-upgrade-linux-image-4-4-0-1130-snapdragonubuntu-upgrade-linux-image-4-4-0-170-genericubuntu-upgrade-linux-image-4-4-0-170-generic-lpaeubuntu-upgrade-linux-image-4-4-0-170-lowlatencyubuntu-upgrade-linux-image-4-4-0-170-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-170-powerpc-smpubuntu-upgrade-linux-image-4-4-0-170-powerpc64-embubuntu-upgrade-linux-image-4-4-0-170-powerpc64-smpubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-lts-xenial
References
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