UBUNTU-CVE-2023-53272

In the Linux kernel, the following vulnerability has been resolved: net: ena: fix shift-out-of-bounds in exponential backoff The ENA adapters on our instances occasionally reset. Once recently logged a UBSAN failure to console in the process: UBSAN: shift-out-of-bounds in...

CVE-2023-53272

CVE-2023-53272 relates to the Linux kernel ENA driver (net: ena) where a UBSAN shift-out-of-bounds in the exponential backoff was observed during device reset. The issue stems from exponent calculations that could overflow 32-bit types, causing UBSAN panics when backoff delays grow large. The adv...