{"id":"CVE-2022-50142","title":"intel_th: msu: Fix vmalloced buffers","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nintel_th: msu: Fix vmalloced buffers\n\nAfter commit f5ff79fddf0e (\"dma-mapping: remove CONFIG_DMA_REMAP\") there's\na chance of DMA buffer getting allocated via vmalloc(),…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < b5d924cb4c7b952eaa61622f14427723a78137a3","Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828","Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 566887bad7ff2297d6b3f9659c702ba075f3d62d","Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 0ed72c6bc632cbf8d979ac60f982ff84b7bb610a","Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 4914c50670b6a531e2cb17cd984cc565b4681312","Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < ac12ad3ccf6d386e64a9d6a890595a2509d24edd","Linux 5.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T19:55:09.763418Z"},"published":"2025-06-18","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:00:18.507Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50142","references":[{"url":"https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3"},{"url":"https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828"},{"url":"https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62d"},{"url":"https://git.kernel.org/stable/c/0ed72c6bc632cbf8d979ac60f982ff84b7bb610a"},{"url":"https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312"},{"url":"https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24edd"}],"tags":["cve.org"],"epss":0.00204,"epssPercentile":0.10489,"ingestedAt":"2026-11-05T22:38:31.686Z","slug":"CVE-2022-50142","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nintel_th: msu: Fix vmalloced buffers\n\nAfter commit f5ff79fddf0e (\"dma-mapping: remove CONFIG_DMA_REMAP\") there's\na chance of DMA buffer getting allocated via vmalloc(), which messes up\nthe mmapping code:\n\n> RIP: msc_mmap_fault [intel_th_msu]\n> Call Trace:\n>  <TASK>\n>  __do_fault\n>  do_fault\n...\n\nFix this by accounting for vmalloc possibility.\n\n## Affected\n\n- `Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < b5d924cb4c7b952eaa61622f14427723a78137a3`\n- `Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828`\n- `Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 566887bad7ff2297d6b3f9659c702ba075f3d62d`\n- `Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 0ed72c6bc632cbf8d979ac60f982ff84b7bb610a`\n- `Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < 4914c50670b6a531e2cb17cd984cc565b4681312`\n- `Linux >= ba39bd8306057fb343dfb75d93a76d824b625236 < ac12ad3ccf6d386e64a9d6a890595a2509d24edd`\n- `Linux 5.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}