vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-3669): Linux kernel (Azure) vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Aug 26, 2022 | Mar 22, 2023 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Aug 26, 2022
Added
Mar 22, 2023
Modified
Mar 27, 2026
Description
A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.
Solutions
ubuntu-upgrade-linux-image-4-15-0-1062-dell300xubuntu-upgrade-linux-image-4-15-0-1116-oracleubuntu-upgrade-linux-image-4-15-0-1129-raspi2ubuntu-upgrade-linux-image-4-15-0-1137-kvmubuntu-upgrade-linux-image-4-15-0-1147-gcpubuntu-upgrade-linux-image-4-15-0-1148-snapdragonubuntu-upgrade-linux-image-4-15-0-1153-awsubuntu-upgrade-linux-image-4-15-0-1162-azureubuntu-upgrade-linux-image-4-15-0-208-genericubuntu-upgrade-linux-image-4-15-0-208-generic-lpaeubuntu-upgrade-linux-image-4-15-0-208-lowlatencyubuntu-upgrade-linux-image-4-4-0-1117-awsubuntu-upgrade-linux-image-4-4-0-1118-kvmubuntu-upgrade-linux-image-4-4-0-1155-awsubuntu-upgrade-linux-image-4-4-0-239-genericubuntu-upgrade-linux-image-4-4-0-239-lowlatencyubuntu-upgrade-linux-image-5-4-0-1023-xilinx-zynqmpubuntu-upgrade-linux-image-5-4-0-1046-ibmubuntu-upgrade-linux-image-5-4-0-1060-bluefieldubuntu-upgrade-linux-image-5-4-0-1066-gkeopubuntu-upgrade-linux-image-5-4-0-1082-raspiubuntu-upgrade-linux-image-5-4-0-1088-kvmubuntu-upgrade-linux-image-5-4-0-1096-gkeubuntu-upgrade-linux-image-5-4-0-1098-oracleubuntu-upgrade-linux-image-5-4-0-1099-awsubuntu-upgrade-linux-image-5-4-0-1102-gcpubuntu-upgrade-linux-image-5-4-0-1105-azureubuntu-upgrade-linux-image-5-4-0-146-genericubuntu-upgrade-linux-image-5-4-0-146-generic-lpaeubuntu-upgrade-linux-image-5-4-0-146-lowlatencyubuntu-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-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lts-xenialubuntu-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-lts-xenialubuntu-upgrade-linux-image-oemubuntu-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-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-lts-xenial
References
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.