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CVE-2022-50142

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CVE-2022-50142

Published: Jun 18, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: intel_th: msu: Fix vmalloced buffers After commit f5ff79fddf0e ("dma-mapping: remove CONFIG_DMA_REMAP") there's a chance of DMA buffer getting allocated via vmalloc(), which messes up the mmapping code: > RIP: msc_mmap_fault [intel_th_msu] > Call Trace: > <TASK> > __do_fault > do_fault ... Fix this by accounting for vmalloc possibility.

VendorProductVersions

Linux

Linux

affected
ba39bd8306057fb343dfb75d93a76d824b625236 - < b5d924cb4c7b952eaa61622f14427723a78137a3
affected
ba39bd8306057fb343dfb75d93a76d824b625236 - < 6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828
affected
ba39bd8306057fb343dfb75d93a76d824b625236 - < 566887bad7ff2297d6b3f9659c702ba075f3d62d
affected
ba39bd8306057fb343dfb75d93a76d824b625236 - < 0ed72c6bc632cbf8d979ac60f982ff84b7bb610a
affected
ba39bd8306057fb343dfb75d93a76d824b625236 - < 4914c50670b6a531e2cb17cd984cc565b4681312

+1 more versions

Linux

Linux

affected
5.2
unaffected
0 - < 5.2
unaffected
5.4.211 - <= 5.4.*
unaffected
5.10.137 - <= 5.10.*
unaffected
5.15.61 - <= 5.15.*

+3 more versions

References

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