{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-50739", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:21.542Z", "datePublished": "2025-12-24T13:05:37.468Z", "dateUpdated": "2026-05-11T19:24:34.879Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:24:34.879Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Add null pointer check for inode operations\n\nThis adds a sanity check for the i_op pointer of the inode which is\nreturned after reading Root directory MFT record. We should check the\ni_op is valid before trying to create the root dentry, otherwise we may\nencounter a NPD while mounting a image with a funny Root directory MFT\nrecord.\n\n[ 114.484325] BUG: kernel NULL pointer dereference, address: 0000000000000008\n[ 114.484811] #PF: supervisor read access in kernel mode\n[ 114.485084] #PF: error_code(0x0000) - not-present page\n[ 114.485606] PGD 0 P4D 0\n[ 114.485975] Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI\n[ 114.486570] CPU: 0 PID: 237 Comm: mount Tainted: G B 6.0.0-rc4 #28\n[ 114.486977] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n[ 114.488169] RIP: 0010:d_flags_for_inode+0xe0/0x110\n[ 114.488816] Code: 24 f7 ff 49 83 3e 00 74 41 41 83 cd 02 66 44 89 6b 02 eb 92 48 8d 7b 20 e8 6d 24 f7 ff 4c 8b 73 20 49 8d 7e 08 e8 60 241\n[ 114.490326] RSP: 0018:ffff8880065e7aa8 EFLAGS: 00000296\n[ 114.490695] RAX: 0000000000000001 RBX: ffff888008ccd750 RCX: ffffffff84af2aea\n[ 114.490986] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff87abd020\n[ 114.491364] RBP: ffff8880065e7ac8 R08: 0000000000000001 R09: fffffbfff0f57a05\n[ 114.491675] R10: ffffffff87abd027 R11: fffffbfff0f57a04 R12: 0000000000000000\n[ 114.491954] R13: 0000000000000008 R14: 0000000000000000 R15: ffff888008ccd750\n[ 114.492397] FS: 00007fdc8a627e40(0000) GS:ffff888058200000(0000) knlGS:0000000000000000\n[ 114.492797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 114.493150] CR2: 0000000000000008 CR3: 00000000013ba000 CR4: 00000000000006f0\n[ 114.493671] Call Trace:\n[ 114.493890] \n[ 114.494075] __d_instantiate+0x24/0x1c0\n[ 114.494505] d_instantiate.part.0+0x35/0x50\n[ 114.494754] d_make_root+0x53/0x80\n[ 114.494998] ntfs_fill_super+0x1232/0x1b50\n[ 114.495260] ? put_ntfs+0x1d0/0x1d0\n[ 114.495499] ? vsprintf+0x20/0x20\n[ 114.495723] ? set_blocksize+0x95/0x150\n[ 114.495964] get_tree_bdev+0x232/0x370\n[ 114.496272] ? put_ntfs+0x1d0/0x1d0\n[ 114.496502] ntfs_fs_get_tree+0x15/0x20\n[ 114.496859] vfs_get_tree+0x4c/0x130\n[ 114.497099] path_mount+0x654/0xfe0\n[ 114.497507] ? putname+0x80/0xa0\n[ 114.497933] ? finish_automount+0x2e0/0x2e0\n[ 114.498362] ? putname+0x80/0xa0\n[ 114.498571] ? kmem_cache_free+0x1c4/0x440\n[ 114.498819] ? putname+0x80/0xa0\n[ 114.499069] do_mount+0xd6/0xf0\n[ 114.499343] ? path_mount+0xfe0/0xfe0\n[ 114.499683] ? __kasan_check_write+0x14/0x20\n[ 114.500133] __x64_sys_mount+0xca/0x110\n[ 114.500592] do_syscall_64+0x3b/0x90\n[ 114.500930] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[ 114.501294] RIP: 0033:0x7fdc898e948a\n[ 114.501542] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008\n[ 114.502716] RSP: 002b:00007ffd793e58f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5\n[ 114.503175] RAX: ffffffffffffffda RBX: 0000564b2228f060 RCX: 00007fdc898e948a\n[ 114.503588] RDX: 0000564b2228f260 RSI: 0000564b2228f2e0 RDI: 0000564b22297ce0\n[ 114.504925] RBP: 0000000000000000 R08: 0000564b2228f280 R09: 0000000000000020\n[ 114.505484] R10: 00000000c0ed0000 R11: 0000000000000202 R12: 0000564b22297ce0\n[ 114.505823] R13: 0000564b2228f260 R14: 0000000000000000 R15: 00000000ffffffff\n[ 114.506562] \n[ 114.506887] Modules linked in:\n[ 114.507648] CR2: 0000000000000008\n[ 114.508884] ---[ end trace 0000000000000000 ]---\n[ 114.509675] RIP: 0010:d_flags_for_inode+0xe0/0x110\n[ 114.510140] Code: 24 f7 ff 49 83 3e 00 74 41 41 83 cd 02 66 44 89 6b 02 eb 92 48 8d 7b 20 e8 6d 24 f7 ff 4c 8b 73 20 49 8d 7e 08 e8 60 241\n[ 114.511762] RSP: 0018:ffff8880065e7aa8 EFLAGS: 00000296\n[ 114.512401] RAX: 0000000000000001 RBX: ffff888008ccd750 RCX: ffffffff84af2aea\n[ 114.51\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ntfs3/super.c" ], "versions": [ { "version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "f62506f5e45afbb01c84c3f28a2878b320a0b0f7", "status": "affected", "versionType": "git" }, { "version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "9f24743ddcdd3683b0a6b16e1439ad091dc3489b", "status": "affected", "versionType": "git" }, { "version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "a7b23037b38b577d9a4372e0c6b7c9fe808070c1", "status": "affected", "versionType": "git" }, { "version": "82cae269cfa953032fbb8980a7d554d60fb00b17", "lessThan": "c1ca8ef0262b25493631ecbd9cb8c9893e1481a1", "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/super.c" ], "versions": [ { "version": "5.15", "status": "affected" }, { "version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.87", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.17", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.3", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2", "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": "5.15.87" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.0.17" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/f62506f5e45afbb01c84c3f28a2878b320a0b0f7" }, { "url": "https://git.kernel.org/stable/c/9f24743ddcdd3683b0a6b16e1439ad091dc3489b" }, { "url": "https://git.kernel.org/stable/c/a7b23037b38b577d9a4372e0c6b7c9fe808070c1" }, { "url": "https://git.kernel.org/stable/c/c1ca8ef0262b25493631ecbd9cb8c9893e1481a1" } ], "title": "fs/ntfs3: Add null pointer check for inode operations", "x_generator": { "engine": "bippy-1.2.0" } } } }