{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54077", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T12:21:05.094Z", "datePublished": "2025-12-24T13:03:25.790Z", "dateUpdated": "2025-12-24T13:03:25.790Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T13:03:25.790Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix memory leak if ntfs_read_mft failed\n\nLabel ATTR_ROOT in ntfs_read_mft() sets is_root = true and\nni->ni_flags |= NI_FLAG_DIR, then next attr will goto label ATTR_ALLOC\nand alloc ni->dir.alloc_run. However two states are not always\nconsistent and can make memory leak.\n\n 1) attr_name in ATTR_ROOT does not fit the condition it will set\n is_root = true but NI_FLAG_DIR is not set.\n 2) next attr_name in ATTR_ALLOC fits the condition and alloc\n ni->dir.alloc_run\n 3) in cleanup function ni_clear(), when NI_FLAG_DIR is set, it frees\n ni->dir.alloc_run, otherwise it frees ni->file.run\n 4) because NI_FLAG_DIR is not set in this case, ni->dir.alloc_run is\n leaked as kmemleak reported:\n\nunreferenced object 0xffff888003bc5480 (size 64):\n backtrace:\n [<000000003d42e6b0>] __kmalloc_node+0x4e/0x1c0\n [<00000000d8e19b8a>] kvmalloc_node+0x39/0x1f0\n [<00000000fc3eb5b8>] run_add_entry+0x18a/0xa40 [ntfs3]\n [<0000000011c9f978>] run_unpack+0x75d/0x8e0 [ntfs3]\n [<00000000e7cf1819>] run_unpack_ex+0xbc/0x500 [ntfs3]\n [<00000000bbf0a43d>] ntfs_iget5+0xb25/0x2dd0 [ntfs3]\n [<00000000a6e50693>] ntfs_fill_super+0x218d/0x3580 [ntfs3]\n [<00000000b9170608>] get_tree_bdev+0x3fb/0x710\n [<000000004833798a>] vfs_get_tree+0x8e/0x280\n [<000000006e20b8e6>] path_mount+0xf3c/0x1930\n [<000000007bf15a5f>] do_mount+0xf3/0x110\n ...\n\nFix this by always setting is_root and NI_FLAG_DIR together."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/inode.c"], "versions": [{"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "3030f2b9b3329db3948c1a145a5493ca6f617d50", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "1bc6bb657dfb0ab3b94ef6d477ca241bf7b6ec06", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "93bf79f989688852deade1550fb478b0a4d8daa8", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "3bb0d3eb475f01744ce6d6e998dfbd80220852a1", "status": "affected", "versionType": "git"}, {"version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "bfa434c60157c9793e9b12c9b68ade02aff9f803", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/inode.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.111", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.28", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.15", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.2", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "5.15.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.28"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.2.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.3.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3030f2b9b3329db3948c1a145a5493ca6f617d50"}, {"url": "https://git.kernel.org/stable/c/1bc6bb657dfb0ab3b94ef6d477ca241bf7b6ec06"}, {"url": "https://git.kernel.org/stable/c/93bf79f989688852deade1550fb478b0a4d8daa8"}, {"url": "https://git.kernel.org/stable/c/3bb0d3eb475f01744ce6d6e998dfbd80220852a1"}, {"url": "https://git.kernel.org/stable/c/bfa434c60157c9793e9b12c9b68ade02aff9f803"}], "title": "fs/ntfs3: Fix memory leak if ntfs_read_mft failed", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix memory leak if ntfs_read_mft failed\n\nLabel ATTR_ROOT in ntfs_read_mft() sets is_root = true and\nni->ni_flags |= NI_FLAG_DIR, then next attr will goto label ATTR_ALLOC\nand alloc ni->dir.alloc_run. However two states are not always\nconsistent and can make memory leak.\n\n 1) attr_name in ATTR_ROOT does not fit the condition it will set\n is_root = true but NI_FLAG_DIR is not set.\n 2) next attr_name in ATTR_ALLOC fits the condition and alloc\n ni->dir.alloc_run\n 3) in cleanup function ni_clear(), when NI_FLAG_DIR is set, it frees\n ni->dir.alloc_run, otherwise it frees ni->file.run\n 4) because NI_FLAG_DIR is not set in this case, ni->dir.alloc_run is\n leaked as kmemleak reported:\n\nunreferenced object 0xffff888003bc5480 (size 64):\n backtrace:\n [<000000003d42e6b0>] __kmalloc_node+0x4e/0x1c0\n [<00000000d8e19b8a>] kvmalloc_node+0x39/0x1f0\n [<00000000fc3eb5b8>] run_add_entry+0x18a/0xa40 [ntfs3]\n [<0000000011c9f978>] run_unpack+0x75d/0x8e0 [ntfs3]\n [<00000000e7cf1819>] run_unpack_ex+0xbc/0x500 [ntfs3]\n [<00000000bbf0a43d>] ntfs_iget5+0xb25/0x2dd0 [ntfs3]\n [<00000000a6e50693>] ntfs_fill_super+0x218d/0x3580 [ntfs3]\n [<00000000b9170608>] get_tree_bdev+0x3fb/0x710\n [<000000004833798a>] vfs_get_tree+0x8e/0x280\n [<000000006e20b8e6>] path_mount+0xf3c/0x1930\n [<000000007bf15a5f>] do_mount+0xf3/0x110\n ...\n\nFix this by always setting is_root and NI_FLAG_DIR together."}], "id": "CVE-2023-54077", "lastModified": "2025-12-24T13:16:09.543", "metrics": {}, "published": "2025-12-24T13:16:09.543", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1bc6bb657dfb0ab3b94ef6d477ca241bf7b6ec06"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3030f2b9b3329db3948c1a145a5493ca6f617d50"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3bb0d3eb475f01744ce6d6e998dfbd80220852a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93bf79f989688852deade1550fb478b0a4d8daa8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bfa434c60157c9793e9b12c9b68ade02aff9f803"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}