CVE-2021-46912

A flaw was found in the network sub-component in the Linux Kernel. The tcpallowedcongestioncontrol is global and writable, and writing to it in any net namespace will leak into all other net namespaces...

UBUNTU-CVE-2021-46912

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

CVE-2021-46912

The CVE-2021-46912 entry describes a Linux kernel vulnerability where tcp_allowed_congestion_control is global and writable, allowing cross-namespace leakage. A fix was applied to make tcp_allowed_congestion_control readonly in non-init netns, addressing the per-net IPv4 congestion control sysctl...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-001)

The version of kernel installed on the remote host is prior to 5.10.35-31.135. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2022-001 advisory. 2024-05-23: CVE-2021-46972 was added to this advisory. 2024-05-23: CVE-2021-46974 was added to this...