{"id":"CVE-2024-38587","revision":null,"records":[{"revision":"4110c46b4dc04af58a4efdbef1a21ea6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-38587","aliases":[],"title":"speakup: Fix sizeof() vs ARRAY_SIZE() bug","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nspeakup: Fix sizeof() vs ARRAY_SIZE() bug\n\nThe \"buf\" pointer is an array of u16 values. This code should be\nusing ARRAY_SIZE() (which is 256) instead of sizeof() (which is 512),\notherwise it can the still got out of bounds.","state":0,"publishedAt":"2024-06-19T13:37:42.537+00:00","modifiedAt":"2026-10-15T00:43:31.45+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/accessibility/speakup/main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"756c5cb7c09e537b87b5d3acafcb101b2ccf394f\",\n \"lessThan\": \"42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"8f6b62125befe1675446923e4171eac2c012959c\",\n \"lessThan\": \"cd7f3978c2ec741aedd1d860b2adb227314cf996\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6401038acfa24cba9c28cce410b7505efadd0222\",\n \"lessThan\": \"07ef95cc7a579731198c93beed281e3a79a0e586\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0d130158db29f5e0b3893154908cf618896450a8\",\n \"lessThan\": \"504178fb7d9f6cdb0496d5491efb05f45597e535\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"89af25bd4b4bf6a71295f07e07a8ae7dc03c6595\",\n \"lessThan\": \"3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"8defb1d22ba0395b81feb963b96e252b097ba76f\",\n \"lessThan\": \"c6e1650cf5df1bd6638eeee231a683ef30c7d4eb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0efb15c14c493263cb3a5f65f5ddfd4603d19a76\",\n \"lessThan\": \"eb1ea64328d4cc7d7a912c563f8523d5259716ef\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1\",\n \"lessThan\": \"d52c04474feac8e305814a5228e622afe481b2ef\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"c8d2f34ea96ea3bce6ba2535f867f0d4ee3b22e1\",\n \"lessThan\": \"008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4.19.313\",\n \"lessThan\": \"4.19.316\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.275\",\n \"lessThan\": \"5.4.278\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.216\",\n \"lessThan\": \"5.10.219\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.157\",\n \"lessThan\": \"5.15.161\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.88\",\n \"lessThan\": \"6.1.93\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.29\",\n \"lessThan\": \"6.6.33\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.8.8\",\n \"lessThan\": \"6.8.12\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\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/accessibility/speakup/main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.9\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.9\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.316\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.278\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.219\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.161\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.93\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.33\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.8.12\",\n \"lessThanOrEqual\": \"6.8.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.9.3\",\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:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/42f0a3f67158ed6b2908d2b9ffbf7e96d23fd358","https://git.kernel.org/stable/c/cd7f3978c2ec741aedd1d860b2adb227314cf996","https://git.kernel.org/stable/c/07ef95cc7a579731198c93beed281e3a79a0e586","https://git.kernel.org/stable/c/504178fb7d9f6cdb0496d5491efb05f45597e535","https://git.kernel.org/stable/c/3726f75a1ccc16cd335c0ccfad1d92ee08ecba5e","https://git.kernel.org/stable/c/c6e1650cf5df1bd6638eeee231a683ef30c7d4eb","https://git.kernel.org/stable/c/eb1ea64328d4cc7d7a912c563f8523d5259716ef","https://git.kernel.org/stable/c/d52c04474feac8e305814a5228e622afe481b2ef","https://git.kernel.org/stable/c/008ab3c53bc4f0b2f20013c8f6c204a3203d0b8b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-38587","license":"CVE Program Terms of 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