{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53294", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-16T08:09:37.992Z", "datePublished": "2025-09-16T08:11:26.926Z", "dateUpdated": "2026-05-11T19:42:09.734Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:42:09.734Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix null-ptr-deref on inode->i_op in ntfs_lookup()\n\nSyzbot reported a null-ptr-deref bug:\n\nntfs3: loop0: Different NTFS' sector size (1024) and media sector size\n(512)\nntfs3: loop0: Mark volume as dirty due to NTFS errors\ngeneral protection fault, probably for non-canonical address\n0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nRIP: 0010:d_flags_for_inode fs/dcache.c:1980 [inline]\nRIP: 0010:__d_add+0x5ce/0x800 fs/dcache.c:2796\nCall Trace:\n \n d_splice_alias+0x122/0x3b0 fs/dcache.c:3191\n lookup_open fs/namei.c:3391 [inline]\n open_last_lookups fs/namei.c:3481 [inline]\n path_openat+0x10e6/0x2df0 fs/namei.c:3688\n do_filp_open+0x264/0x4f0 fs/namei.c:3718\n do_sys_openat2+0x124/0x4e0 fs/open.c:1310\n do_sys_open fs/open.c:1326 [inline]\n __do_sys_open fs/open.c:1334 [inline]\n __se_sys_open fs/open.c:1330 [inline]\n __x64_sys_open+0x221/0x270 fs/open.c:1330\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nIf the MFT record of ntfs inode is not a base record, inode->i_op can be\nNULL. And a null-ptr-deref may happen:\n\nntfs_lookup()\n dir_search_u() # inode->i_op is set to NULL\n d_splice_alias()\n __d_add()\n d_flags_for_inode() # inode->i_op->get_link null-ptr-deref\n\nFix this by adding a Check on inode->i_op before calling the\nd_splice_alias() function." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ntfs3/namei.c" ], "versions": [ { "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "f8d9e062a695a3665c4635c4f216a75912687598", "status": "affected", "versionType": "git" }, { "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "d69d5e2a81df94534bdb468bcdd26060fcb7191a", "status": "affected", "versionType": "git" }, { "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "2ba22cbc6a1cf4b58195adbee0b80262e53992d3", "status": "affected", "versionType": "git" }, { "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "e78240bc4b94fc42854d65e657bb998100cc8e1b", "status": "affected", "versionType": "git" }, { "version": "4342306f0f0d5ff4315a204d315c1b51b914fca5", "lessThan": "254e69f284d7270e0abdc023ee53b71401c3ba0c", "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/namei.c" ], "versions": [ { "version": "5.15", "status": "affected" }, { "version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.112", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.29", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.16", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3.3", "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": "5.15.112" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.29" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.2.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.3.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.4" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/f8d9e062a695a3665c4635c4f216a75912687598" }, { "url": "https://git.kernel.org/stable/c/d69d5e2a81df94534bdb468bcdd26060fcb7191a" }, { "url": "https://git.kernel.org/stable/c/2ba22cbc6a1cf4b58195adbee0b80262e53992d3" }, { "url": "https://git.kernel.org/stable/c/e78240bc4b94fc42854d65e657bb998100cc8e1b" }, { "url": "https://git.kernel.org/stable/c/254e69f284d7270e0abdc023ee53b71401c3ba0c" } ], "title": "fs/ntfs3: Fix null-ptr-deref on inode->i_op in ntfs_lookup()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2023-53294", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-01-14T18:11:41.343239Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T18:12:56.379Z" } } ] } }