{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23236","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.988Z","datePublished":"2026-03-04T14:36:40.162Z","dateUpdated":"2026-05-11T22:02:57.406Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:02:57.406Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: smscufx: properly copy ioctl memory to kernelspace\n\nThe UFX_IOCTL_REPORT_DAMAGE ioctl does not properly copy data from\nuserspace to kernelspace, and instead directly references the memory,\nwhich can cause problems if invalid data is passed from userspace.  Fix\nthis all up by correctly copying the memory before accessing it within\nthe kernel."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H","baseScore":7.3,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/smscufx.c"],"versions":[{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"061cfeb560aa3ddc174153dbe5be9d0b55eb7248","status":"affected","versionType":"git"},{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"6167af934f956d3ae1e06d61f45cd0d1004bbe1a","status":"affected","versionType":"git"},{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"a0321e6e58facb39fe191caa0e52ed9aab6a48fe","status":"affected","versionType":"git"},{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"0634e8d650993602fc5b389ff7ac525f6542e141","status":"affected","versionType":"git"},{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"52917e265aa5f848212f60fc50fc504d8ef12866","status":"affected","versionType":"git"},{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"1c008ad0f0d1c1523902b9cdb08e404129677bfc","status":"affected","versionType":"git"},{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"f1e91bd4efeae48b0f42caed7e8ce2e3a0d05b02","status":"affected","versionType":"git"},{"version":"3c8a63e22a0802fd56380f6ab305b419f18eb6f5","lessThan":"120adae7b42faa641179270c067864544a50ab69","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/smscufx.c"],"versions":[{"version":"3.2","status":"affected"},{"version":"0","lessThan":"3.2","status":"unaffected","versionType":"semver"},{"version":"5.10.251","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.201","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.164","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.127","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.74","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.13","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.3","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.10.251"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.15.201"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.1.164"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.6.127"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.12.74"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.18.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.19.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/061cfeb560aa3ddc174153dbe5be9d0b55eb7248"},{"url":"https://git.kernel.org/stable/c/6167af934f956d3ae1e06d61f45cd0d1004bbe1a"},{"url":"https://git.kernel.org/stable/c/a0321e6e58facb39fe191caa0e52ed9aab6a48fe"},{"url":"https://git.kernel.org/stable/c/0634e8d650993602fc5b389ff7ac525f6542e141"},{"url":"https://git.kernel.org/stable/c/52917e265aa5f848212f60fc50fc504d8ef12866"},{"url":"https://git.kernel.org/stable/c/1c008ad0f0d1c1523902b9cdb08e404129677bfc"},{"url":"https://git.kernel.org/stable/c/f1e91bd4efeae48b0f42caed7e8ce2e3a0d05b02"},{"url":"https://git.kernel.org/stable/c/120adae7b42faa641179270c067864544a50ab69"}],"title":"fbdev: smscufx: properly copy ioctl memory to kernelspace","x_generator":{"engine":"bippy-1.2.0"}}}}