CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2021-3669
Medium (5.5). EPSS 0.3% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-770, CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- ibm:spectrum_copy_data_management
- ibm:spectrum_protect_plus
- linux:linux_kernel
- redhat:build_of_quarkus
- redhat:codeready_linux_builder
- redhat:developer_tools
- redhat:enterprise_linux
- redhat:enterprise_linux_aus
- redhat:enterprise_linux_for_ibm_z_systems
- redhat:enterprise_linux_for_ibm_z_systems_eus
- redhat:enterprise_linux_for_power_little_endian
- redhat:enterprise_linux_for_power_little_endian_eus
- redhat:enterprise_linux_for_real_time
- redhat:enterprise_linux_for_real_time_for_nfv
- redhat:enterprise_linux_for_real_time_for_nfv_tus
- redhat:enterprise_linux_for_real_time_tus
- redhat:enterprise_linux_server_aus
- redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
- redhat:enterprise_linux_server_tus
- redhat:openshift_container_platform
- redhat:virtualization_host