{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99232","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.402Z","datePublished":"2026-11-02T16:06:39.212Z","dateUpdated":"2026-11-03T19:13:01.998Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-11-03T19:13:01.998Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/syscalls: Use copy_from_user for the faultable syscall buffer\n\nsyscall_copy_user_array() copies the buffer argument of faultable\nsyscalls (write, pwrite64, ...) with __copy_from_user(), which skips\naccess_ok(). Use copy_from_user() instead so a non-user address is\nrejected and the entry is recorded as faulted.\n\nIt could be a security concern for machines that trust perf a bit too\nmuch."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/trace_syscalls.c"],"versions":[{"version":"baa031b7bd2ce7502339174a42974321859ecd6a","lessThan":"e33e2718c62a602001ab549642a1aed0be797105","status":"affected","versionType":"git"},{"version":"baa031b7bd2ce7502339174a42974321859ecd6a","lessThan":"041d1a568a11a7ed7415ef1408d0c65041c1ad69","status":"affected","versionType":"git"},{"version":"baa031b7bd2ce7502339174a42974321859ecd6a","lessThan":"097fd0050089df17b032f2b852b9b65e548e342a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/trace_syscalls.c"],"versions":[{"version":"6.19","status":"affected"},{"version":"0","lessThan":"6.19","status":"unaffected","versionType":"semver"},{"version":"7.2.14","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3.1","lessThanOrEqual":"7.3.*","status":"unaffected","versionType":"semver"},{"version":"7.4-rc1","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":"6.19","versionEndExcluding":"7.2.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.3.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.4-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e33e2718c62a602001ab549642a1aed0be797105"},{"url":"https://git.kernel.org/stable/c/041d1a568a11a7ed7415ef1408d0c65041c1ad69"},{"url":"https://git.kernel.org/stable/c/097fd0050089df17b032f2b852b9b65e548e342a"}],"title":"tracing/syscalls: Use copy_from_user for the faultable syscall buffer","x_generator":{"engine":"bippy-1.2.0"}}}}