{"id":"DEBIAN-CVE-2026-68460","details":"In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix potential deadlock in f2fs_balance_fs()  When the f2fs filesystem space is nearly exhausted, we encounter deadlock issues as below:  INFO: task A:1890 blocked for more than 120 seconds.       Tainted: G           O       6.12.41-g3fe07ddf05ab #1 \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message. task:A    state:D stack:0     pid:1890  tgid:1626  ppid:1153   flags:0x00000204 Call trace:  __switch_to+0xf4/0x158  __schedule+0x27c/0x908  schedule+0x3c/0x118  io_schedule+0x44/0x68  folio_wait_bit_common+0x174/0x370  folio_wait_bit+0x20/0x38  folio_wait_writeback+0x54/0xc8  truncate_inode_partial_folio+0x70/0x1e0  truncate_inode_pages_range+0x1b0/0x450  truncate_pagecache+0x54/0x88  f2fs_file_write_iter+0x3e8/0xb80  do_iter_readv_writev+0xf0/0x1e0  vfs_writev+0x138/0x2c8  do_writev+0x88/0x130  __arm64_sys_writev+0x28/0x40  invoke_syscall+0x50/0x120  el0_svc_common.constprop.0+0xc8/0xf0  do_el0_svc+0x24/0x38  el0_svc+0x30/0xf8  el0t_64_sync_handler+0x120/0x130  el0t_64_sync+0x190/0x198  INFO: task kworker/u8:11:2680853 blocked for more than 120 seconds.       Tainted: G           O       6.12.41-g3fe07ddf05ab #1 \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message. task:kworker/u8:11   state:D stack:0     pid:2680853 tgid:2680853 ppid:2      flags:0x00000208 Workqueue: writeback wb_workfn (flush-254:0) Call trace:  __switch_to+0xf4/0x158  __schedule+0x27c/0x908  schedule+0x3c/0x118  io_schedule+0x44/0x68  folio_wait_bit_common+0x174/0x370  __filemap_get_folio+0x214/0x348  pagecache_get_page+0x20/0x70  f2fs_get_read_data_page+0x150/0x3e8  f2fs_get_lock_data_page+0x2c/0x160  move_data_page+0x50/0x478  do_garbage_collect+0xd38/0x1528  f2fs_gc+0x240/0x7e0  f2fs_balance_fs+0x1a0/0x208  f2fs_write_single_data_page+0x6e4/0x730  f2fs_write_cache_pages+0x378/0x9b0  f2fs_write_data_pages+0x2e4/0x388  do_writepages+0x8c/0x2c8  __writeback_single_inode+0x4c/0x498  writeback_sb_inodes+0x234/0x4a8  __writeback_inodes_wb+0x58/0x118  wb_writeback+0x2f8/0x3c0  wb_workfn+0x2c4/0x508  process_one_work+0x180/0x408  worker_thread+0x258/0x368  kthread+0x118/0x128  ret_from_fork+0x10/0x200  INFO: task kworker/u8:8:2641297 blocked for more than 120 seconds.       Tainted: G           O       6.12.41-g3fe07ddf05ab #1 \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message. task:kworker/u8:8    state:D stack:0     pid:2641297 tgid:2641297 ppid:2      flags:0x00000208 Workqueue: writeback wb_workfn (flush-254:0) Call trace:  __switch_to+0xf4/0x158  __schedule+0x27c/0x908  rt_mutex_schedule+0x30/0x60  __rt_mutex_slowlock_locked.constprop.0+0x460/0x8a8  rwbase_write_lock+0x24c/0x378  down_write+0x1c/0x30  f2fs_balance_fs+0x184/0x208  f2fs_write_inode+0xf4/0x328  __writeback_single_inode+0x370/0x498  writeback_sb_inodes+0x234/0x4a8  __writeback_inodes_wb+0x58/0x118  wb_writeback+0x2f8/0x3c0  wb_workfn+0x2c4/0x508  process_one_work+0x180/0x408  worker_thread+0x258/0x368  kthread+0x118/0x128  ret_from_fork+0x10/0x20  INFO: task B:1902 blocked for more than 120 seconds.       Tainted: G           O       6.12.41-g3fe07ddf05ab #1 \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message. task:B     state:D stack:0     pid:1902  tgid:1626  ppid:1153   flags:0x0000020c Call trace:  __switch_to+0xf4/0x158  __schedule+0x27c/0x908  rt_mutex_schedule+0x30/0x60  __rt_mutex_slowlock_locked.constprop.0+0x460/0x8a8  rwbase_write_lock+0x24c/0x378  down_write+0x1c/0x30  f2fs_balance_fs+0x184/0x208  f2fs_map_blocks+0x94c/0x1110  f2fs_file_write_iter+0x228/0xb80  do_iter_readv_writev+0xf0/0x1e0  vfs_writev+0x138/0x2c8  do_writev+0x88/0x130  __arm64_sys_writev+0x28/0x40  invoke_syscall+0x50/0x120  el0_svc_common.constprop.0+0xc8/0xf0  do_el0_svc+0x24/0x38  el0_svc+0x30/0xf8  el0t_64_sync_handler+0x120/0x130  el0t_64_sync+0x190/0x198  INFO: task sync:2769849 blocked for more than 120 seconds.       Tainted: G      ---truncated---","modified":"2026-09-01T16:06:58.134346928Z","published":"2026-08-15T06:18:22.117Z","upstream":["CVE-2026-68460"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-68460"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.180-1"}]}],"versions":["6.1.106-1","6.1.106-2","6.1.106-3","6.1.112-1","6.1.115-1","6.1.119-1","6.1.123-1","6.1.124-1","6.1.128-1","6.1.129-1","6.1.133-1","6.1.135-1","6.1.137-1","6.1.139-1","6.1.140-1","6.1.147-1","6.1.148-1","6.1.153-1","6.1.158-1","6.1.159-1","6.1.162-1","6.1.164-1","6.1.170-1","6.1.170-2","6.1.170-3","6.1.172-1","6.1.174-1","6.1.176-1","6.1.177-1","6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1","6.1.85-1","6.1.90-1","6.1.90-1~bpo11+1","6.1.94-1","6.1.94-1~bpo11+1","6.1.98-1","6.1.99-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-68460.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.96-1"}]}],"versions":["6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1","6.12.69-1~bpo12+1","6.12.73-1","6.12.73-1~bpo12+1","6.12.74-1","6.12.74-2","6.12.74-2~bpo12+1","6.12.85-1","6.12.85-1~bpo12+1","6.12.86-1","6.12.86-1~bpo12+1","6.12.88-1","6.12.88-1~bpo12+1","6.12.90-1","6.12.90-1~bpo12+1","6.12.90-2","6.12.90-2~bpo12+1","6.12.94-1","6.12.94-1~bpo12+1","6.12.95-1","6.12.95-1~bpo12+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-68460.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.5-1"}]}],"versions":["6.12.100-1","6.12.101-1","6.12.105-1","6.12.107-1","6.12.38-1","6.12.41-1","6.12.43-1","6.12.43-1~bpo12+1","6.12.48-1","6.12.57-1","6.12.57-1~bpo12+1","6.12.63-1","6.12.63-1~bpo12+1","6.12.69-1","6.12.69-1~bpo12+1","6.12.73-1","6.12.73-1~bpo12+1","6.12.74-1","6.12.74-2","6.12.74-2~bpo12+1","6.12.85-1","6.12.85-1~bpo12+1","6.12.86-1","6.12.86-1~bpo12+1","6.12.88-1","6.12.88-1~bpo12+1","6.12.90-1","6.12.90-1~bpo12+1","6.12.90-2","6.12.90-2~bpo12+1","6.12.94-1","6.12.94-1~bpo12+1","6.12.95-1","6.12.95-1~bpo12+1","6.12.96-1","6.13.10-1~exp1","6.13.11-1~exp1","6.13.2-1~exp1","6.13.3-1~exp1","6.13.4-1~exp1","6.13.5-1~exp1","6.13.6-1~exp1","6.13.7-1~exp1","6.13.8-1~exp1","6.13.9-1~exp1","6.13~rc6-1~exp1","6.13~rc7-1~exp1","6.14.3-1~exp1","6.14.5-1~exp1","6.14.6-1~exp1","6.15-1~exp1","6.15.1-1~exp1","6.15.2-1~exp1","6.15.3-1~exp1","6.15.4-1~exp1","6.15.5-1~exp1","6.15.6-1~exp1","6.15~rc7-1~exp1","6.16-1~exp1","6.16.1-1~exp1","6.16.10-1","6.16.11-1","6.16.12-1","6.16.12-1~bpo13+1","6.16.12-2","6.16.3-1","6.16.3-1~bpo13+1","6.16.5-1","6.16.6-1","6.16.7-1","6.16.8-1","6.16.9-1","6.16~rc7-1~exp1","6.17.10-1","6.17.11-1","6.17.12-1","6.17.13-1","6.17.13-1~bpo13+1","6.17.2-1~exp1","6.17.5-1~exp1","6.17.6-1","6.17.7-1","6.17.7-2","6.17.8-1","6.17.8-1~bpo13+1","6.17.9-1","6.18.1-1~exp1","6.18.10-1","6.18.12-1","6.18.12-1~bpo13+1","6.18.13-1","6.18.14-1","6.18.15-1","6.18.15-1~bpo13+1","6.18.2-1~exp1","6.18.3-1","6.18.5-1","6.18.5-1~bpo13+1","6.18.8-1","6.18.9-1","6.18.9-1~bpo13+1","6.18~rc4-1~exp1","6.18~rc4-1~exp2","6.18~rc5-1~exp1","6.18~rc6-1~exp1","6.18~rc7-1~exp1","6.19-1~exp1","6.19.10-1","6.19.10-1~bpo13+1","6.19.11-1","6.19.11-1~bpo13+1","6.19.12-1","6.19.13-1","6.19.13-1~bpo13+1","6.19.14-1","6.19.14-1~bpo13+1","6.19.2-1~exp1","6.19.3-1~exp1","6.19.4-1~exp1","6.19.5-1~exp1","6.19.6-1","6.19.6-2","6.19.6-2~bpo13+1","6.19.8-1","6.19.8-1~bpo13+1","6.19~rc4-1~exp1","6.19~rc5-1~exp1","6.19~rc6-1~exp1","6.19~rc7-1~exp1","6.19~rc8-1~exp1","7.0-1~exp1","7.0.1-1~exp1","7.0.10-1","7.0.10-1~bpo13+1","7.0.12-1","7.0.12-2","7.0.12-2~bpo13+1","7.0.13-1","7.0.13-1~bpo13+1","7.0.14-1","7.0.3-1","7.0.4-1","7.0.4-1~bpo13+1","7.0.7-1","7.0.7-1~bpo13+1","7.0.9-1","7.0.9-1~bpo13+1","7.1.1-1~exp1","7.1.2-1~exp1","7.1.3-1","7.1.3-1+sunvdc","7.1.3-1~bpo13+1","7.1.4-1","7.1~rc2-1~exp1","7.1~rc3-1~exp1","7.1~rc4-1~exp1","7.1~rc4-1~exp2","7.1~rc5-1~exp1","7.1~rc7-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-68460.json"}}],"schema_version":"1.9.0"}