CVE-2021-3744
Medium
Description
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMar 4, 2022
First seenMar 4, 2022
Weakness typeCWE-401CWE-401
How to fix
Update
- linux linux_kernel5.15 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
- debian.org/security/2022/dsa-5096
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.15, 5.15 | 5.15 |
| fedoraproject fedora | 33, 34, 35 | — |
| debian debian_linux | 9.0, 10.0 | — |
| redhat build_of_quarkus | 2.0 | — |
| redhat codeready_linux_builder | 8.0 | — |
| redhat codeready_linux_builder_eus | 8.6 | — |
| redhat codeready_linux_builder_for_power_little_endian | 8.0 | — |
| redhat codeready_linux_builder_for_power_little_endian_eus | 8.6 | — |
| redhat developer_tools | 1.0 | — |
| redhat enterprise_linux_eus | 8.6 | — |
| redhat enterprise_linux_for_ibm_z_systems_eus | 8.6 | — |
| redhat enterprise_linux_for_power_little_endian_eus | 8.6 | — |
| redhat enterprise_linux_for_real_time | 8, 8.6 | — |
| redhat enterprise_linux_for_real_time_for_nfv | 8 | — |
| redhat enterprise_linux_for_real_time_for_nfv_tus | 8.6 | — |
| redhat enterprise_linux_server_eus | 8.6 | — |
| redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 8.6 | — |
| redhat enterprise_linux_server_tus | 8.6 | — |
| redhat enterprise_linux_server_update_services_for_sap_solutions | 8.6 | — |
| redhat virtualization_host | 4.0 | — |
| oracle communications_cloud_native_core_binding_support_function | 22.1.3 | — |
| oracle communications_cloud_native_core_network_exposure_function | 22.1.1 | — |
| oracle communications_cloud_native_core_policy | 22.2.0 | — |
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