In the Linux kernel, the following vulnerability has been resolved:EOL][EOL]intel_th: msu: Fix vmalloced buffers[EOL][EOL]After commit f5ff79fddf0e ("dma-mapping: remove CONFIG_DMA_REMAP") there's[EOL]a chance of DMA buffer getting allocated via vmalloc(), which messes up[EOL]the mmapping code:[EOL][EOL]> RIP: msc_mmap_fault [intel_th_msu][EOL]> Call Trace:[EOL]> <TASK>[EOL]> __do_fault[EOL]> do_fault[EOL]...[EOL][EOL]Fix this by accounting for vmalloc possibility.
CREATE(Triage):(User=lchen-cn) [CVE-2022-50142 (https://nvd.nist.gov/vuln/detail/CVE-2022-50142)