CVE-2026-97531

/// Technical description

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: Skip vport under deletion in report ID acquisition

qla24xx_report_id_acquisition() format-1 handling walks ha->vp_list under

vport_slock, takes a vref_count on the matching vport and calls

qla_update_host_map() to register its port id.

A vport teardown via qla24xx_vport_delete() sets VPORT_DELETE, then

qla24xx_disable_vp() removes the vport from the host_map btree and zeroes

vha->d_id (RESET_AL_PA). The vport is only unlinked from vp_list later,

in qla24xx_deallocate_vp_id(), which clears vp_map[idx] (RESET_VP_IDX)

but does not touch host_map. In the window in between, report ID

acquisition can still find the vport on vp_list and call

qla_update_host_map(); with d_id already zeroed it takes the

btree_insert32() path and re-inserts the dying vport into host_map.

Nothing cleans that entry afterwards, so once scsi_host_put() frees the

vha a later host_map lookup dereferences freed memory.

Skip a vport t

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References