{"id":"CVE-2024-40901","revision":null,"records":[{"revision":"83a43bf368634b42be61d568b1c60c54","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-40901","aliases":[],"title":"scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory\n\nThere is a potential out-of-bounds access when using test_bit() on a single\nword. The test_bit() and set_bit() functions operate on long values, and\nwhen testing or setting a single word, they can exceed the word\nboundary. KASAN detects this issue and produces a dump:\n\n\t BUG: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas\n\n\t Write of size 8 at addr ffff8881d26e3c60 by task kworker/u1536:2/2965\n\nFor full log, please look at [1].\n\nMake the allocation at least the size of sizeof(unsigned long) so that\nset_bit() and test_bit() have sufficient room for read/write operations\nwithout overwriting unallocated memory.\n\n[1] Link: https://lore.kernel.org/all/ZkNcALr3W3KGYYJG@gmail.com/","state":0,"publishedAt":"2024-07-12T12:20:42.859+00:00","modifiedAt":"2026-10-15T00:44:54.665+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/scsi/mpt3sas/mpt3sas_base.c\"\n ],\n \"versions\": [\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"19649e49a6df07cd2e03e0a11396fd3a99485ec2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"521f333e644c4246ca04a4fc4772edc53dd2a801\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"46bab2bcd771e725ff5ca3a68ba68cfeac45676c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"9079338c5a0d1f1fee34fb1c9e99b754efe414c5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"18abb5db0aa9b2d48f7037a88b41af2eef821674\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c696f7b83edeac804e898952058089143f49ca0a\",\n \"lessThan\": \"4254dfeda82f20844299dca6c38cbffcfd499f41\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/scsi/mpt3sas/mpt3sas_base.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.10\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.10\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.317\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.279\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.221\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.162\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.95\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.35\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.9.6\",\n \"lessThanOrEqual\": \"6.9.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.10\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H","score":7.3,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee","https://git.kernel.org/stable/c/19649e49a6df07cd2e03e0a11396fd3a99485ec2","https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16","https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801","https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c","https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5","https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674","https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-40901","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-40901","identifiers":["CVE-2024-40901"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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