{"cve":"CVE-2024-27406","nvd":{"published":"2024-05-17T12:15:10.757","modified":"2026-06-17T07:19:50.533","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlib/Kconfig.debug: TEST_IOV_ITER depends on MMU\n\nTrying to run the iov_iter unit test on a nommu system such as the qemu\nkc705-nommu emulation results in a crash.\n\n    KTAP version 1\n    # Subtest: iov_iter\n    # module: kunit_iov_iter\n    1..9\nBUG: failure at mm/nommu.c:318/vmap()!\nKernel panic - not syncing: BUG!\n\nThe test calls vmap() directly, but vmap() is not supported on nommu\nsystems, causing the crash.  TEST_IOV_ITER therefore needs to depend on\nMMU.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/1eb1e984379e2da04361763f66eec90dd75cf63e","https://git.kernel.org/stable/c/9e6e541b97762d5b1143070067f7c68f39a408f8","https://git.kernel.org/stable/c/e6316749d603fe9c4c91f6ec3694e06e4de632a3","https://git.kernel.org/stable/c/1eb1e984379e2da04361763f66eec90dd75cf63e","https://git.kernel.org/stable/c/9e6e541b97762d5b1143070067f7c68f39a408f8"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2024-27406","score":0.00237,"percentile":0.1481,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}