{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-49900", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "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()." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "1da177e4c3f4", "version_value": "7b24d41d47a6" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.19.323", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.285", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.227", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.168", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.113", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.55", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.10.14", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.11.3", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/7b24d41d47a6805c45378debf8bd115675d41da8", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7b24d41d47a6805c45378debf8bd115675d41da8" }, { "url": "https://git.kernel.org/stable/c/dac398ed272a378d2f42ac68ae408333a51baf52", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/dac398ed272a378d2f42ac68ae408333a51baf52" }, { "url": "https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc" }, { "url": "https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d" }, { "url": "https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e" }, { "url": "https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64" }, { "url": "https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73" }, { "url": "https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af" }, { "url": "https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c" } ] }, "generator": { "engine": "bippy-8e903de6a542" } }