[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-47145":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T02:53:27.892Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":18,"aliases":19,"duplicate_of":9,"upstream":20,"downstream":21,"duplicates":36,"related":37,"reserved_at":9,"published_at":41,"modified_at":42,"state":43,"summary":44,"references_raw":53,"kevs":88,"epss":89,"epss_history":92,"metrics":353,"affected":359},"CVE-2021-47145","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.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":9,"likelihood_of_exploit":9,"capec":17},"NVD-CWE-NOINFO","Insufficient Information","NVD uses this CWE ID when there is insufficient information to assign a specific 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