CVE-2022-48795

A flaw was found in the sba_unmap_sg function in PA-RISC in the Linux kernel, causing a kernel panic due to a null pointer dereference. This occurrs because the code checked sg_dma_len(sglist) before verifying if there were remaining entries (nents), leading to overruns and crashes when crossing page boundaries.

Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.

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.