{"id":"CVE-2024-27406","state":"PUBLISHED","title":"lib/Kconfig.debug: TEST_IOV_ITER depends on MMU","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.","publishedAt":"2024-05-17T11:40:28.608Z","updatedAt":"2026-05-11T20:10:24.341Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96","status":"affected","lessThan":"e6316749d603fe9c4c91f6ec3694e06e4de632a3","versionType":"git"},{"version":"2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96","status":"affected","lessThan":"9e6e541b97762d5b1143070067f7c68f39a408f8","versionType":"git"},{"version":"2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96","status":"affected","lessThan":"1eb1e984379e2da04361763f66eec90dd75cf63e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/Kconfig.debug"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.19","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.7","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/Kconfig.debug"]}],"references":["https://git.kernel.org/stable/c/e6316749d603fe9c4c91f6ec3694e06e4de632a3","https://git.kernel.org/stable/c/9e6e541b97762d5b1143070067f7c68f39a408f8","https://git.kernel.org/stable/c/1eb1e984379e2da04361763f66eec90dd75cf63e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/27xxx/CVE-2024-27406.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-27406","state":"PUBLISHED","datePublished":"2024-05-17T11:40:28.608Z","dateUpdated":"2026-05-11T20:10:24.341Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-25T13:47:42.681Z"},"containers":{"cna":{"title":"lib/Kconfig.debug: TEST_IOV_ITER depends on MMU","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96","status":"affected","lessThan":"e6316749d603fe9c4c91f6ec3694e06e4de632a3","versionType":"git"},{"version":"2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96","status":"affected","lessThan":"9e6e541b97762d5b1143070067f7c68f39a408f8","versionType":"git"},{"version":"2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96","status":"affected","lessThan":"1eb1e984379e2da04361763f66eec90dd75cf63e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/Kconfig.debug"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.19","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.7","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/Kconfig.debug"]}],"references":[{"url":"https://git.kernel.org/stable/c/e6316749d603fe9c4c91f6ec3694e06e4de632a3"},{"url":"https://git.kernel.org/stable/c/9e6e541b97762d5b1143070067f7c68f39a408f8"},{"url":"https://git.kernel.org/stable/c/1eb1e984379e2da04361763f66eec90dd75cf63e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:10:24.341Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.7.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-27406","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-17T17:17:04.256288Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:47:28.200Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/e6316749d603fe9c4c91f6ec3694e06e4de632a3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9e6e541b97762d5b1143070067f7c68f39a408f8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1eb1e984379e2da04361763f66eec90dd75cf63e","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T00:34:52.087Z"}}]}}}