{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2021-47145", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-04T18:12:48.845Z", "datePublished": "2024-03-25T09:07:42.384Z", "dateUpdated": "2024-08-04T05:24:39.917Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:02:53.780Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: do not BUG_ON in link_to_fixup_dir\n\nWhile doing error injection testing I got the following panic\n\n kernel BUG at fs/btrfs/tree-log.c:1862!\n invalid opcode: 0000 [#1] SMP NOPTI\n CPU: 1 PID: 7836 Comm: mount Not tainted 5.13.0-rc1+ #305\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014\n RIP: 0010:link_to_fixup_dir+0xd5/0xe0\n RSP: 0018:ffffb5800180fa30 EFLAGS: 00010216\n RAX: fffffffffffffffb RBX: 00000000fffffffb RCX: ffff8f595287faf0\n RDX: ffffb5800180fa37 RSI: ffff8f5954978800 RDI: 0000000000000000\n RBP: ffff8f5953af9450 R08: 0000000000000019 R09: 0000000000000001\n R10: 000151f408682970 R11: 0000000120021001 R12: ffff8f5954978800\n R13: ffff8f595287faf0 R14: ffff8f5953c77dd0 R15: 0000000000000065\n FS: 00007fc5284c8c40(0000) GS:ffff8f59bbd00000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007fc5287f47c0 CR3: 000000011275e002 CR4: 0000000000370ee0\n Call Trace:\n replay_one_buffer+0x409/0x470\n ? btree_read_extent_buffer_pages+0xd0/0x110\n walk_up_log_tree+0x157/0x1e0\n walk_log_tree+0xa6/0x1d0\n btrfs_recover_log_trees+0x1da/0x360\n ? replay_one_extent+0x7b0/0x7b0\n open_ctree+0x1486/0x1720\n btrfs_mount_root.cold+0x12/0xea\n ? __kmalloc_track_caller+0x12f/0x240\n legacy_get_tree+0x24/0x40\n vfs_get_tree+0x22/0xb0\n vfs_kern_mount.part.0+0x71/0xb0\n btrfs_mount+0x10d/0x380\n ? vfs_parse_fs_string+0x4d/0x90\n legacy_get_tree+0x24/0x40\n vfs_get_tree+0x22/0xb0\n path_mount+0x433/0xa10\n __x64_sys_mount+0xe3/0x120\n do_syscall_64+0x3d/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nWe can get -EIO or any number of legitimate errors from\nbtrfs_search_slot(), panicing here is not the appropriate response. The\nerror path for this code handles errors properly, simply return the\nerror." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/btrfs/tree-log.c" ], "versions": [ { "version": "1da177e4c3f4", "lessThan": "76bfd8ac20be", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "e934c4ee17b3", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "0eaf383c6a4a", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "6eccfb28f8dc", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "0ed102453aa1", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "7e13db503918", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "b54544213358", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f4", "lessThan": "91df99a6eb50", "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/btrfs/tree-log.c" ], "versions": [ { "version": "4.4.271", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.9.271", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.14.235", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.193", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.124", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.42", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.12.9", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/76bfd8ac20bebeae599452a03dfc5724c0475dcf" }, { "url": "https://git.kernel.org/stable/c/e934c4ee17b33bafb0444f2f9766cda7166d3c40" }, { "url": "https://git.kernel.org/stable/c/0eaf383c6a4a83c09f60fd07a1bea9f1a9181611" }, { "url": "https://git.kernel.org/stable/c/6eccfb28f8dca70c9b1b3bb3194ca54cbe73a9fa" }, { "url": "https://git.kernel.org/stable/c/0ed102453aa1cd12fefde8f6b60b9519b0b1f003" }, { "url": "https://git.kernel.org/stable/c/7e13db503918820e6333811cdc6f151dcea5090a" }, { "url": "https://git.kernel.org/stable/c/b545442133580dcb2f2496133bf850824d41255c" }, { "url": "https://git.kernel.org/stable/c/91df99a6eb50d5a1bc70fff4a09a0b7ae6aab96d" } ], "title": "btrfs: do not BUG_ON in link_to_fixup_dir", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47145", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-25T14:12:43.029638Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:28.150Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.917Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/76bfd8ac20bebeae599452a03dfc5724c0475dcf", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e934c4ee17b33bafb0444f2f9766cda7166d3c40", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/0eaf383c6a4a83c09f60fd07a1bea9f1a9181611", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6eccfb28f8dca70c9b1b3bb3194ca54cbe73a9fa", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/0ed102453aa1cd12fefde8f6b60b9519b0b1f003", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/7e13db503918820e6333811cdc6f151dcea5090a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b545442133580dcb2f2496133bf850824d41255c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/91df99a6eb50d5a1bc70fff4a09a0b7ae6aab96d", "tags": [ "x_transferred" ] } ] } ] } }