Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2019-3837

It was found that the netdma code in tcprecvmsg in the 2.6.32 kernel as shipped in RHEL6 is thread-unsafe. So an unprivileged multi-threaded userspace application calling recvmsg for the same network socket in parallel executed on ioatdma-enabled hardware with netdma enabled can leak the memory,...

Memory corruption

It was found that the netdma code in tcprecvmsg in the 2.6.32 kernel as shipped in RHEL6 is thread-unsafe. So an unprivileged multi-threaded userspace application calling recvmsg for the same network socket in parallel executed on ioatdma-enabled hardware with netdma enabled can leak the memory,...

CVE-2019-3837

It was found that the netdma code in tcprecvmsg in the 2.6.32 kernel as shipped in RHEL6 is thread-unsafe. So an unprivileged multi-threaded userspace application calling recvmsg for the same network socket in parallel executed on ioatdma-enabled hardware with netdma enabled can leak the memory,...

CVE-2019-3837

CVE-2019-3837 affects the 2.6.32 kernel as shipped in RHEL6. The net_dma code in tcp_recvmsg() is thread-unsafe, so an unprivileged multi-threaded userspace application calling recvmsg() for the same socket in parallel on ioatdma-enabled hardware with net_dma enabled can leak memory, crash the ho...