{"id":"CVE-2026-99232","aliases":[],"cve":{"records":[{"id":"CVE-2026-99232","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.402Z","published":"2026-11-02T16:06:39.212Z","modified":"2026-11-03T19:13:01.998Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-11-03T19:13:01.998Z"}],"references":[{"url":"https://git.kernel.org/stable/c/e33e2718c62a602001ab549642a1aed0be797105","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/041d1a568a11a7ed7415ef1408d0c65041c1ad69","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/097fd0050089df17b032f2b852b9b65e548e342a","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"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"}]}]}]}],"prioritization":[]},"title":"tracing/syscalls: Use copy_from_user for the faultable syscall buffer","titleSource":"Linux","descriptionSource":"Linux","description":"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.","score":null,"severity":"unknown","published":"2026-11-02T16:06:39.212Z","modified":"2026-11-03T19:13:01.998Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"baa031b7bd2ce7502339174a42974321859ecd6a","status":"affected","lessThan":"e33e2718c62a602001ab549642a1aed0be797105","versionType":"git"},{"version":"baa031b7bd2ce7502339174a42974321859ecd6a","status":"affected","lessThan":"041d1a568a11a7ed7415ef1408d0c65041c1ad69","versionType":"git"},{"version":"baa031b7bd2ce7502339174a42974321859ecd6a","status":"affected","lessThan":"097fd0050089df17b032f2b852b9b65e548e342a","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99232"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"7.2.14","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3.1","status":"unaffected","lessThanOrEqual":"7.3.*","versionType":"semver"},{"version":"7.4-rc1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99232"}],"remediation":[],"references":["https://git.kernel.org/stable/c/e33e2718c62a602001ab549642a1aed0be797105","https://git.kernel.org/stable/c/041d1a568a11a7ed7415ef1408d0c65041c1ad69","https://git.kernel.org/stable/c/097fd0050089df17b032f2b852b9b65e548e342a"],"sources":[{"name":"CVE","id":"CVE-2026-99232","modified":"2026-11-03T19:13:01.998Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99232"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-11-03T19:50:34.917Z","kev":{"status":"not-listed","checkedAt":"2026-11-06T21:20:33.816Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-02T17:15:38.226Z","attemptedAt":"2026-11-02T17:15:38.226Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-02T17:15:37.852Z","attemptedAt":"2026-11-02T17:15:37.852Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-02T17:15:38.202Z","attemptedAt":"2026-11-02T17:15:38.202Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-02T17:15:38.063Z","attemptedAt":"2026-11-02T17:15:38.063Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-115274","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-115274","modified":"Nov 2, 2026, 4:06:39 PM","checkedAt":"2026-11-02T17:15:38.202Z"},{"source":"NVD","id":"CVE-2026-99232","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-99232","modified":"2026-11-02T16:17:48.247","checkedAt":"2026-11-02T17:15:38.226Z"}],"aiSummary":null}