{"id":"CVE-2022-50142","state":"PUBLISHED","title":"intel_th: msu: Fix vmalloced buffers","description":"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> 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.","publishedAt":"2025-06-18T11:03:04.333Z","updatedAt":"2026-05-11T19:13:38.153Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"b5d924cb4c7b952eaa61622f14427723a78137a3","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"566887bad7ff2297d6b3f9659c702ba075f3d62d","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"0ed72c6bc632cbf8d979ac60f982ff84b7bb610a","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"4914c50670b6a531e2cb17cd984cc565b4681312","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"ac12ad3ccf6d386e64a9d6a890595a2509d24edd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hwtracing/intel_th/msu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hwtracing/intel_th/msu.c"]}],"references":["https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3","https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828","https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62d","https://git.kernel.org/stable/c/0ed72c6bc632cbf8d979ac60f982ff84b7bb610a","https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312","https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24edd"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50142.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50142","state":"PUBLISHED","datePublished":"2025-06-18T11:03:04.333Z","dateUpdated":"2026-05-11T19:13:38.153Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.423Z"},"containers":{"cna":{"title":"intel_th: msu: Fix vmalloced buffers","descriptions":[{"lang":"en","value":"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> 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"b5d924cb4c7b952eaa61622f14427723a78137a3","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"566887bad7ff2297d6b3f9659c702ba075f3d62d","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"0ed72c6bc632cbf8d979ac60f982ff84b7bb610a","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"4914c50670b6a531e2cb17cd984cc565b4681312","versionType":"git"},{"version":"ba39bd8306057fb343dfb75d93a76d824b625236","status":"affected","lessThan":"ac12ad3ccf6d386e64a9d6a890595a2509d24edd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hwtracing/intel_th/msu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.137","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hwtracing/intel_th/msu.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:13:38.153Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}