{"id":"CVE-2026-72375","summary":"afs: Fix reinitialisation of the inode, in particular -\u003elock_work","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix reinitialisation of the inode, in particular -\u003elock_work\n\nIt seems that initalising afs_vnode::lock_work a single time in the slab's\ninit function isn't sufficient for work_structs.  This results in the\nDEBUG_OBJECTS debugging stuff producing a warning occasionally when running\nthe generic/131 xfstest:\n\n ODEBUG: activate not available (active state 0) object: 0000000016d8760f object type: work_struct hint: afs_lock_work+0x0/0x220\n WARNING: lib/debugobjects.c:629 at debug_print_object+0x4b/0x90, CPU#3: locktest/7695\n ...\n CPU: 3 UID: 0 PID: 7695 Comm: locktest Tainted: G S                  7.1.0-build3+ #2771 PREEMPT\n ...\n RIP: 0010:debug_print_object+0x65/0x90\n ...\n Call Trace:\n  \u003cTASK\u003e\n  ? __pfx_afs_lock_work+0x10/0x10\n  debug_object_activate+0x122/0x170\n  insert_work+0x25/0x60\n  __queue_work+0x2e0/0x340\n  queue_delayed_work_on+0x48/0x70\n  afs_fl_release_private+0x57/0x70\n  locks_release_private+0x5c/0xa0\n  locks_free_lock+0xe/0x20\n  posix_lock_inode+0x55f/0x5b0\n  locks_lock_inode_wait+0x81/0x140\n  ? file_write_and_wait_range+0x50/0x70\n  afs_lock+0xcd/0x110\n  fcntl_setlk+0x10d/0x260\n  do_fcntl+0x24e/0x5b0\n  __do_sys_fcntl+0x6a/0x90\n  do_syscall_64+0x11e/0x310\n  entry_SYSCALL_64_after_hwframe+0x71/0x79\n\nFix this by reinitialising -\u003elock_work after allocating an inode.\n\nAlso, flush -\u003elock_work when the inode is being evicted to make sure it's\nnot still running.","modified":"2026-08-16T03:48:33.599592456Z","published":"2026-08-15T05:56:09.790Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72375.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5597fbd1e7c161914f20315a726e54025b0fdadb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/63d3f283858fae097fb09ddd4ce46bb0bc1f9d01"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ebfd13c0367adb43d7c0a72f5cd7e004e60c6b28"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72375.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72375"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e8d6c554126b830217c5e9f549e0e21f865a0a8a"},{"fixed":"63d3f283858fae097fb09ddd4ce46bb0bc1f9d01"},{"fixed":"ebfd13c0367adb43d7c0a72f5cd7e004e60c6b28"},{"fixed":"5597fbd1e7c161914f20315a726e54025b0fdadb"}]}],"versions":["v7.2-rc1","v7.1.4","v6.18.39","v7.1.3","v6.18.38","v7.1.2","v6.18.37","v7.1.1","v6.18.36","v7.1","v7.1-rc1","v6.18.35","v7.1-rc7","v7.1-rc6","v7.1-rc4","v7.1-rc3","v6.18.34","v7.1-rc2","v7.1-rc5","v6.18.33","v6.18.32","v7.0","v6.18.31","v6.18.30","v6.18.29","v6.18.28","v6.18.27","v6.18.26","v7.0-rc1","v6.18.25","v6.18.24","v6.18.23","v6.18.22","v7.0-rc5","v7.0-rc6","v6.18.21","v7.0-rc7","v7.0-rc3","v7.0-rc4","v6.19-rc2","v6.18.20","v7.0-rc2","v6.19","v6.18.19","v6.18.18","v6.18.17","v6.18.16","v6.18.15","v6.18.14","v6.18.13","v6.18.12","v6.18.11","v6.18.10","v6.18.9","v6.19-rc8","v6.19-rc1","v6.19-rc6","v6.18.8","v6.19-rc7","v6.19-rc5","v6.19-rc4","v6.18.7","v6.19-rc3","v6.18.6","v6.18.5","v6.18.4","v6.18.3","v6.18.2","v6.18.1","v6.18","v6.18-rc1","v6.18-rc7","v6.18-rc3","v6.18-rc5","v6.18-rc6","v6.18-rc2","v6.18-rc4","v6.17","v6.17-rc7","v6.17-rc1","v6.17-rc2","v6.17-rc6","v6.17-rc4","v6.17-rc5","v6.17-rc3","v6.16","v6.16-rc6","v6.16-rc1","v6.16-rc4","v6.16-rc2","v6.16-rc5","v6.16-rc7","v6.16-rc3","v6.14-rc3","v6.15","v6.15-rc1","v6.15-rc6","v6.15-rc3","v6.15-rc2","v6.15-rc7","v6.15-rc4","v6.15-rc5","v6.14","v6.14-rc1","v6.14-rc7","v6.14-rc6","v6.14-rc4","v6.14-rc5","v6.14-rc2","v6.13","v6.13-rc1","v6.13-rc6","v6.13-rc7","v6.13-rc2","v6.13-rc5","v6.13-rc3","v6.12-rc1","v6.13-rc4","v6.12","v6.12-rc7","v6.12-rc3","v6.12-rc4","v6.12-rc6","v6.12-rc5","v6.12-rc2","v6.11-rc1","v6.11-rc5","v6.11","v6.11-rc7","v6.10-rc1","v6.11-rc6","v6.11-rc3","v6.11-rc4","v6.11-rc2","v6.10","v6.10-rc6","v6.10-rc7","v6.10-rc3","v6.9-rc1","v6.10-rc5","v6.10-rc2","v6.10-rc4","v6.9","v6.9-rc6","v6.9-rc7","v6.9-rc5","v6.9-rc3","v6.9-rc2","v6.8","v6.9-rc4","v6.8-rc1","v6.7-rc1","v6.8-rc7","v6.8-rc6","v6.8-rc5","v6.8-rc4","v6.8-rc3","v6.8-rc2","v6.7","v6.7-rc3","v6.7-rc8","v6.7-rc7","v6.7-rc6","v6.7-rc2","v6.7-rc4","v6.7-rc5","v6.6","v6.6-rc1","v6.6-rc5","v6.6-rc3","v6.6-rc7","v6.6-rc6","v6.6-rc4","v6.6-rc2","v6.5","v6.5-rc1","v6.5-rc2","v6.5-rc7","v6.5-rc4","v6.5-rc3","v6.5-rc6","v6.5-rc5","v6.4","v6.4-rc7","v6.4-rc1","v6.4-rc6","v6.4-rc5","v6.4-rc3","v6.4-rc4","v6.4-rc2","v6.3","v6.3-rc1","v6.3-rc7","v6.3-rc2","v6.3-rc3","v6.3-rc5","v6.3-rc6","v6.3-rc4","v6.2-rc6","v6.2-rc1","v6.2","v6.2-rc2","v6.2-rc8","v6.2-rc5","v6.2-rc4","v6.2-rc7","v6.2-rc3","v6.1-rc1","v6.1","v6.1-rc8","v6.1-rc3","v6.1-rc6","v6.1-rc7","v6.1-rc4","v6.1-rc2","v6.1-rc5","v6.0-rc1","v6.0","v6.0-rc7","v6.0-rc3","v6.0-rc2","v6.0-rc6","v6.0-rc4","v6.0-rc5","v5.19","v5.19-rc1","v5.19-rc5","v5.19-rc8","v5.19-rc6","v5.18","v5.19-rc2","v5.19-rc7","v5.19-rc3","v5.19-rc4","v5.18-rc1","v5.18-rc7","v5.18-rc2","v5.18-rc5","v5.17","v5.18-rc4","v5.18-rc3","v5.18-rc6","v5.17-rc6","v5.17-rc4","v5.17-rc8","v5.17-rc7","v5.17-rc1","v5.17-rc3","v5.17-rc2","v5.17-rc5","v5.16","v5.16-rc1","v5.16-rc8","v5.16-rc5","v5.16-rc6","v5.16-rc7","v5.16-rc3","v5.16-rc2","v5.16-rc4","v5.15","v5.15-rc2","v5.15-rc1","v5.15-rc4","v5.15-rc7","v5.15-rc3","v5.15-rc5","v5.15-rc6","v5.14","v5.14-rc3","v5.14-rc1","v5.14-rc2","v5.14-rc7","v5.14-rc6","v5.13-rc1","v5.14-rc5","v5.14-rc4","v5.13","v5.13-rc6","v5.13-rc7","v5.13-rc3","v5.13-rc2","v5.13-rc4","v5.13-rc5","v5.12","v5.12-rc2","v5.12-rc1-dontuse","v5.12-rc1","v5.12-rc8","v5.12-rc3","v5.12-rc7","v5.12-rc5","v5.12-rc6","v5.12-rc4","v5.10","v5.11","v5.11-rc3","v5.11-rc7","v5.11-rc6","v5.11-rc5","v5.11-rc1","v5.11-rc4","v5.11-rc2","v5.10-rc1","v5.10-rc7","v5.10-rc4","v5.10-rc3","v5.10-rc6","v5.9","v5.10-rc2","v5.10-rc5","v5.9-rc1","v5.9-rc7","v5.9-rc8","v5.9-rc6","v5.9-rc4","v5.9-rc5","v5.9-rc3","v5.9-rc2","v5.8","v5.7","v5.8-rc2","v5.8-rc1","v5.8-rc7","v5.8-rc5","v5.8-rc3","v5.8-rc4","v5.8-rc6","v5.7-rc4","v5.7-rc7","v5.7-rc1","v5.7-rc3","v5.7-rc2","v5.7-rc5","v5.7-rc6","v5.6","v5.6-rc1","v5.6-rc7","v5.6-rc6","v5.6-rc3","v5.6-rc4","v5.6-rc2","v5.6-rc5","v5.5","v5.5-rc5","v5.5-rc7","v5.5-rc2",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