CVE-2022-49731

A flaw was found in the libata module in the Linux kernel. A NULL pointer dereference can be triggered in the unlikely case that the PPI, an array of ATA port_info, argument of the ata_host_alloc_pinfo function is NULL. This issue causes a crash and results in a denial of service.

This issue has been fixed in Red Hat Enterprise Linux 9.3 via RHSA-2023:6583 [1].

[1]. https://access.redhat.com/errata/RHSA-2023:6583

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.