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CVE-2025-68741 is a Linux kernel vulnerability in the qla2xxx SCSI driver, specifically in qla2xxx_process_purls_iocb() in the qla_nvme code path. The function allocates a purex item through qla27xx_copy_multiple_pkt(), which internally uses qla24xx_alloc_purex_item(). That allocator may either return dynamically allocated memory or a pre-allocated item from a per-adapter pool for small allocations. In an error-handling path, qla2xxx_process_purls_iocb() incorrectly releases the returned item with kfree(). When the object originated from the pre-allocated pool rather than heap allocation, this results in an invalid free and can corrupt kernel memory. The flaw was fixed by replacing the incorrect deallocation with qla24xx_free_purex_item(), which correctly handles both pooled and dynamically allocated items.
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A Linux kernel vulnerability in the qla2xxx SCSI driver involving improper freeing of a purex item.
A Linux kernel vulnerability in the qla2xxx SCSI driver involving improper freeing of a purex item.
A Linux kernel vulnerability in scsi qla2xxx involving improper freeing of a purex item.
A Linux kernel qla2xxx SCSI driver vulnerability caused by improper freeing of a purex item, where kfree() could be called on a pre-allocated pool item, leading to memory corruption.
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Cross-references every affected SKU, including bundled OEM variants.
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