{"id":"CVE-2024-49994","revision":null,"records":[{"revision":"c6c8009fdff944cdac1632433c8c8f88","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-49994","aliases":[],"title":"block: fix integer overflow in BLKSECDISCARD","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix integer overflow in BLKSECDISCARD\n\nI independently rediscovered\n\n\tcommit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155\n\tblock: fix overflow in blk_ioctl_discard()\n\nbut for secure erase.\n\nSame problem:\n\n\tuint64_t r[2] = {512, 18446744073709551104ULL};\n\tioctl(fd, BLKSECDISCARD, r);\n\nwill enter near infinite loop inside blkdev_issue_secure_erase():\n\n\ta.out: attempt to access beyond end of device\n\tloop0: rw=5, sector=3399043073, nr_sectors = 1024 limit=2048\n\tbio_check_eod: 3286214 callbacks suppressed","state":0,"publishedAt":"2024-10-21T18:02:35.722+00:00","modifiedAt":"2026-10-15T00:55:32.64+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                        \"block/ioctl.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"44abff2c0b970ae3d310b97617525dc01f248d7c\",\n                            \"lessThan\": \"8476f8428e8b48fd7a0e4258fa2a96a8f4468239\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"44abff2c0b970ae3d310b97617525dc01f248d7c\",\n                            \"lessThan\": \"a99bacb35c1416355eef957560e8fcac3a665549\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"44abff2c0b970ae3d310b97617525dc01f248d7c\",\n                            \"lessThan\": \"0842ddd83939eb4db940b9af7d39e79722bc41aa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"44abff2c0b970ae3d310b97617525dc01f248d7c\",\n                            \"lessThan\": \"6c9915fa9410cbb9bd75ee283c03120046c56d3d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"44abff2c0b970ae3d310b97617525dc01f248d7c\",\n                            \"lessThan\": \"697ba0b6ec4ae04afb67d3911799b5e2043b4455\",\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                        \"block/ioctl.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.128\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.75\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.10.14\",\n                            \"lessThanOrEqual\": \"6.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.11.3\",\n                            \"lessThanOrEqual\": \"6.11.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/8476f8428e8b48fd7a0e4258fa2a96a8f4468239","https://git.kernel.org/stable/c/a99bacb35c1416355eef957560e8fcac3a665549","https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa","https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d","https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-49994","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-49994","identifiers":["CVE-2024-49994"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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