CentOS Linux 8.4 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2024:1707478061)

"The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2024:1707478061 advisory. - In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdmaaddrcancel happens before issuing more...

CVE-2021-47391

CVE-2021-47391 – Linux kernel RDMA CMA race (use-after-free risk) Vulnerability summary from connected advisories: The RDMA/cma component can allow a second rdma_resolve_ip() for the same id_priv due to an invariant violation when the FSM cycles between RDMA_CM_IDLE, RDMA_CM_ADDR_QUERY and RDMA_C...

CVE-2021-47391 RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdmaaddrcancel happens before issuing more requests The FSM can run in a circle allowing rdmaresolveip to be called twice on the same idpriv. While this cannot happen without going through the work, it violates t...

CVE-2021-47391: Use After Free

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdmaaddrcancel happens before issuing more requests The FSM can run in a circle allowing rdmaresolveip to be called twice on the same idpriv. While this cannot happen without going through the work, it violates t...