{"id":"CVE-2024-49900","revision":null,"records":[{"revision":"4d85577c6efc4d92adaaa1e59c9e66c8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-49900","aliases":[],"title":"jfs: Fix uninit-value access of new_ea in ea_buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix uninit-value access of new_ea in ea_buffer\n\nsyzbot reports that lzo1x_1_do_compress is using uninit-value:\n\n=====================================================\nBUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178\n\n...\n\nUninit was stored to memory at:\n ea_put fs/jfs/xattr.c:639 [inline]\n\n...\n\nLocal variable ea_buf created at:\n __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662\n __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934\n\n=====================================================\n\nThe reason is ea_buf->new_ea is not initialized properly.\n\nFix this by using memset to empty its content at the beginning\nin ea_get().","state":0,"publishedAt":"2024-10-21T18:01:32.607+00:00","modifiedAt":"2026-10-15T00:54:09.439+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 \"fs/jfs/xattr.c\"\n ],\n \"versions\": [\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"7b24d41d47a6805c45378debf8bd115675d41da8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"dac398ed272a378d2f42ac68ae408333a51baf52\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"8b1dcf25c26d42e4a68c4725ce52a0543c7878cc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"d7444f91a9f93eaa48827087ed0f3381c194181d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"6041536d18c5f51a84bc37cd568cbab61870031e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"c076b3746224982eebdba5c9e4b1467e146c0d64\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"7c244d5b48284a770d96ff703df2dfeadf804a73\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"8ad8b531de79c348bcb8133e7f5e827b884226af\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\n \"lessThan\": \"2b59ffad47db1c46af25ccad157bb3b25147c35c\",\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 \"fs/jfs/xattr.c\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.12\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"2.6.12\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.323\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.285\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.227\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.168\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.113\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.55\",\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/7b24d41d47a6805c45378debf8bd115675d41da8","https://git.kernel.org/stable/c/dac398ed272a378d2f42ac68ae408333a51baf52","https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc","https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d","https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e","https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64","https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73","https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af","https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-49900","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-49900","identifiers":["CVE-2024-49900"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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