vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-3759): Linux kernel (OEM) vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Sep 16, 2021 | Oct 21, 2021 | Aug 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Sep 16, 2021
Added
Oct 21, 2021
Modified
Aug 18, 2025
Description
A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.
Solutions
ubuntu-upgrade-linux-image-4-15-0-1030-dell300xubuntu-upgrade-linux-image-4-15-0-1083-oracleubuntu-upgrade-linux-image-4-15-0-1098-raspi2ubuntu-upgrade-linux-image-4-15-0-1102-kvmubuntu-upgrade-linux-image-4-15-0-1111-gcpubuntu-upgrade-linux-image-4-15-0-1115-awsubuntu-upgrade-linux-image-4-15-0-1115-snapdragonubuntu-upgrade-linux-image-4-15-0-1126-azureubuntu-upgrade-linux-image-4-15-0-162-genericubuntu-upgrade-linux-image-4-15-0-162-generic-lpaeubuntu-upgrade-linux-image-4-15-0-162-lowlatencyubuntu-upgrade-linux-image-5-10-0-1050-oemubuntu-upgrade-linux-image-5-11-0-1019-kvmubuntu-upgrade-linux-image-5-11-0-1021-awsubuntu-upgrade-linux-image-5-11-0-1021-azureubuntu-upgrade-linux-image-5-11-0-1021-oracleubuntu-upgrade-linux-image-5-11-0-1022-gcpubuntu-upgrade-linux-image-5-11-0-1022-raspiubuntu-upgrade-linux-image-5-11-0-1022-raspi-nolpaeubuntu-upgrade-linux-image-5-11-0-40-genericubuntu-upgrade-linux-image-5-11-0-40-generic-64kubuntu-upgrade-linux-image-5-11-0-40-generic-lpaeubuntu-upgrade-linux-image-5-11-0-40-lowlatencyubuntu-upgrade-linux-image-5-13-0-1005-kvmubuntu-upgrade-linux-image-5-13-0-1006-awsubuntu-upgrade-linux-image-5-13-0-1006-gcpubuntu-upgrade-linux-image-5-13-0-1007-azureubuntu-upgrade-linux-image-5-13-0-1009-oracleubuntu-upgrade-linux-image-5-13-0-1010-raspiubuntu-upgrade-linux-image-5-13-0-1010-raspi-nolpaeubuntu-upgrade-linux-image-5-13-0-1017-oemubuntu-upgrade-linux-image-5-13-0-1019-oemubuntu-upgrade-linux-image-5-13-0-21-genericubuntu-upgrade-linux-image-5-13-0-21-generic-64kubuntu-upgrade-linux-image-5-13-0-21-generic-lpaeubuntu-upgrade-linux-image-5-13-0-21-lowlatencyubuntu-upgrade-linux-image-5-4-0-1007-ibmubuntu-upgrade-linux-image-5-4-0-1021-bluefieldubuntu-upgrade-linux-image-5-4-0-1026-gkeopubuntu-upgrade-linux-image-5-4-0-1046-raspiubuntu-upgrade-linux-image-5-4-0-1049-kvmubuntu-upgrade-linux-image-5-4-0-1055-gkeubuntu-upgrade-linux-image-5-4-0-1057-gcpubuntu-upgrade-linux-image-5-4-0-1057-oracleubuntu-upgrade-linux-image-5-4-0-1059-awsubuntu-upgrade-linux-image-5-4-0-1063-azureubuntu-upgrade-linux-image-5-4-0-90-genericubuntu-upgrade-linux-image-5-4-0-90-generic-lpaeubuntu-upgrade-linux-image-5-4-0-90-lowlatencyubuntu-upgrade-linux-image-5-8-0-1043-azureubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-dell300xubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-oracle-lts-20-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-hwe-20-04
References
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