CVE-2022-48906

A flaw was found in the Linux kernel MPTCP DATA_FIN timeout calculation. A large retransmit count is used as a shift exponent and can be 32 or more on a 32-bit shift, which is undefined. A local user of an MPTCP socket can trigger the bad shift.

Following issue marked as moderate with "not affected" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions. Additionally, some RHEL versions may be marked as "will not fix" due to the minimal impact of the issue, and no fix will be provided.

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.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.