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CVE-2025-68811 is a Linux kernel memory-safety flaw in the svcrdma component's svc_rdma_copy_inline_range function. The function used rc_curpage, a page index, as an offset added to a page base for memcpy operations, rather than using rc_pageoff, the byte offset within the current page. This incorrect offset calculation can cause a copy to land outside its intended current page. The upstream fix replaces rc_curpage with rc_pageoff for the memcpy byte offset.
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A Linux kernel svcrdma flaw involving use of rc_pageoff for a memcpy byte offset. Red Hat rated the overall kernel security update Moderate.
A Linux kernel svcrdma memcpy byte-offset handling issue.
A Linux kernel vulnerability in svcrdma related to incorrect byte offset handling in memcpy.
A Linux kernel svcrdma flaw in which svc_rdma_copy_inline_range used the current-page index (rc_curpage) rather than the byte offset (rc_pageoff) for memcpy operations, potentially causing copies to use an incorrect location rather than remain within the current page.
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