{"id":"CVE-2022-50142","summary":"intel_th: msu: Fix vmalloced buffers","details":"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(), which messes up\nthe mmapping code:\n\n\u003e RIP: msc_mmap_fault [intel_th_msu]\n\u003e Call Trace:\n\u003e  \u003cTASK\u003e\n\u003e  __do_fault\n\u003e  do_fault\n...\n\nFix this by accounting for vmalloc possibility.","modified":"2026-04-03T13:14:49.134255Z","published":"2025-06-18T11:03:04.333Z","related":["SUSE-SU-2025:02264-1","SUSE-SU-2025:02308-1","SUSE-SU-2025:02320-1","SUSE-SU-2025:02321-1","SUSE-SU-2025:02322-1","SUSE-SU-2025:02537-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50142.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0ed72c6bc632cbf8d979ac60f982ff84b7bb610a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312"},{"type":"WEB","url":"https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24edd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50142.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50142"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ba39bd8306057fb343dfb75d93a76d824b625236"},{"fixed":"b5d924cb4c7b952eaa61622f14427723a78137a3"},{"fixed":"6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828"},{"fixed":"566887bad7ff2297d6b3f9659c702ba075f3d62d"},{"fixed":"0ed72c6bc632cbf8d979ac60f982ff84b7bb610a"},{"fixed":"4914c50670b6a531e2cb17cd984cc565b4681312"},{"fixed":"ac12ad3ccf6d386e64a9d6a890595a2509d24edd"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50142.json"}}],"schema_version":"1.7.5"}