CVE-2021-47256

A vulnerability was found in the memory_failure function in the Linux kernel's memory management system, where the system may not wait for certain pages to finish writing before performing actions on them, leading to a kernel crash.

This vulnerability is rated as a moderate severity because this issue can lead to kernel panics under specific conditions, such as improper memory handling during page writeback, but the exploitation is unlikely in normal scenarios.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.