CVE-2024-56744 (GCVE-0-2024-56744)

Vulnerability from cvelistv5 – Published: 2024-12-29 11:30 – Updated: 2026-05-11 20:58
VLAI?
Title
f2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock in f2fs_record_stop_reason() syzbot reports deadlock issue of f2fs as below: ====================================================== WARNING: possible circular locking dependency detected 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 Not tainted ------------------------------------------------------ kswapd0/79 is trying to acquire lock: ffff888011824088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline] ffff888011824088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068 but task is already holding lock: ffff88804bd92610 (sb_internal#2){.+.+}-{0:0}, at: f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (sb_internal#2){.+.+}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1716 [inline] sb_start_intwrite+0x4d/0x1c0 include/linux/fs.h:1899 f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842 evict+0x4e8/0x9b0 fs/inode.c:725 f2fs_evict_inode+0x1a4/0x15c0 fs/f2fs/inode.c:807 evict+0x4e8/0x9b0 fs/inode.c:725 dispose_list fs/inode.c:774 [inline] prune_icache_sb+0x239/0x2f0 fs/inode.c:963 super_cache_scan+0x38c/0x4b0 fs/super.c:223 do_shrink_slab+0x701/0x1160 mm/shrinker.c:435 shrink_slab+0x1093/0x14d0 mm/shrinker.c:662 shrink_one+0x43b/0x850 mm/vmscan.c:4818 shrink_many mm/vmscan.c:4879 [inline] lru_gen_shrink_node mm/vmscan.c:4957 [inline] shrink_node+0x3799/0x3de0 mm/vmscan.c:5937 kswapd_shrink_node mm/vmscan.c:6765 [inline] balance_pgdat mm/vmscan.c:6957 [inline] kswapd+0x1ca3/0x3700 mm/vmscan.c:7226 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -> #1 (fs_reclaim){+.+.}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __fs_reclaim_acquire mm/page_alloc.c:3834 [inline] fs_reclaim_acquire+0x88/0x130 mm/page_alloc.c:3848 might_alloc include/linux/sched/mm.h:318 [inline] prepare_alloc_pages+0x147/0x5b0 mm/page_alloc.c:4493 __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 do_read_cache_folio+0x2eb/0x850 mm/filemap.c:3787 read_mapping_folio include/linux/pagemap.h:1011 [inline] f2fs_commit_super+0x3c0/0x7d0 fs/f2fs/super.c:4032 f2fs_record_stop_reason+0x13b/0x1d0 fs/f2fs/super.c:4079 f2fs_handle_critical_error+0x2ac/0x5c0 fs/f2fs/super.c:4174 f2fs_write_inode+0x35f/0x4d0 fs/f2fs/inode.c:785 write_inode fs/fs-writeback.c:1503 [inline] __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723 writeback_single_inode+0x1f3/0x660 fs/fs-writeback.c:1779 sync_inode_metadata+0xc4/0x120 fs/fs-writeback.c:2849 f2fs_release_file+0xa8/0x100 fs/f2fs/file.c:1941 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f ---truncated---
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5 , < ecf4e6782b01fd578b565b3dd2be7bb0ac91082e (git)
Affected: b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5 , < 1539a088b108996bcdaddb7775070b5163b14233 (git)
Affected: b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5 , < 801092a2c9c251ef6a8678fcb8fcc1220474a697 (git)
Affected: b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5 , < f10a890308a7cd8794e21f646f09827c6cb4bf5d (git)
Affected: ed1d478bf838820201f3fb67a1748fdf15954ea4 (git)
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Linux Linux Affected: 6.5
Unaffected: 0 , < 6.5 (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/checkpoint.c",
            "fs/f2fs/f2fs.h",
            "fs/f2fs/super.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          "versions": [
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              "versionType": "git"
            },
            {
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              "version": "ed1d478bf838820201f3fb67a1748fdf15954ea4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/checkpoint.c",
            "fs/f2fs/f2fs.h",
            "fs/f2fs/super.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.5"
            },
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              "lessThan": "6.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.64",
                  "versionStartIncluding": "6.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
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                },
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
                {
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              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()\n\nsyzbot reports deadlock issue of f2fs as below:\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 Not tainted\n------------------------------------------------------\nkswapd0/79 is trying to acquire lock:\nffff888011824088 (\u0026sbi-\u003esb_lock){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline]\nffff888011824088 (\u0026sbi-\u003esb_lock){++++}-{3:3}, at: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068\n\nbut task is already holding lock:\nffff88804bd92610 (sb_internal#2){.+.+}-{0:0}, at: f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\n\nwhich lock already depends on the new lock.\n\nthe existing dependency chain (in reverse order) is:\n\n-\u003e #2 (sb_internal#2){.+.+}-{0:0}:\n       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\n       percpu_down_read include/linux/percpu-rwsem.h:51 [inline]\n       __sb_start_write include/linux/fs.h:1716 [inline]\n       sb_start_intwrite+0x4d/0x1c0 include/linux/fs.h:1899\n       f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\n       evict+0x4e8/0x9b0 fs/inode.c:725\n       f2fs_evict_inode+0x1a4/0x15c0 fs/f2fs/inode.c:807\n       evict+0x4e8/0x9b0 fs/inode.c:725\n       dispose_list fs/inode.c:774 [inline]\n       prune_icache_sb+0x239/0x2f0 fs/inode.c:963\n       super_cache_scan+0x38c/0x4b0 fs/super.c:223\n       do_shrink_slab+0x701/0x1160 mm/shrinker.c:435\n       shrink_slab+0x1093/0x14d0 mm/shrinker.c:662\n       shrink_one+0x43b/0x850 mm/vmscan.c:4818\n       shrink_many mm/vmscan.c:4879 [inline]\n       lru_gen_shrink_node mm/vmscan.c:4957 [inline]\n       shrink_node+0x3799/0x3de0 mm/vmscan.c:5937\n       kswapd_shrink_node mm/vmscan.c:6765 [inline]\n       balance_pgdat mm/vmscan.c:6957 [inline]\n       kswapd+0x1ca3/0x3700 mm/vmscan.c:7226\n       kthread+0x2f0/0x390 kernel/kthread.c:389\n       ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\n       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\n-\u003e #1 (fs_reclaim){+.+.}-{0:0}:\n       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\n       __fs_reclaim_acquire mm/page_alloc.c:3834 [inline]\n       fs_reclaim_acquire+0x88/0x130 mm/page_alloc.c:3848\n       might_alloc include/linux/sched/mm.h:318 [inline]\n       prepare_alloc_pages+0x147/0x5b0 mm/page_alloc.c:4493\n       __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722\n       alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265\n       alloc_pages_noprof mm/mempolicy.c:2345 [inline]\n       folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352\n       filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010\n       do_read_cache_folio+0x2eb/0x850 mm/filemap.c:3787\n       read_mapping_folio include/linux/pagemap.h:1011 [inline]\n       f2fs_commit_super+0x3c0/0x7d0 fs/f2fs/super.c:4032\n       f2fs_record_stop_reason+0x13b/0x1d0 fs/f2fs/super.c:4079\n       f2fs_handle_critical_error+0x2ac/0x5c0 fs/f2fs/super.c:4174\n       f2fs_write_inode+0x35f/0x4d0 fs/f2fs/inode.c:785\n       write_inode fs/fs-writeback.c:1503 [inline]\n       __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723\n       writeback_single_inode+0x1f3/0x660 fs/fs-writeback.c:1779\n       sync_inode_metadata+0xc4/0x120 fs/fs-writeback.c:2849\n       f2fs_release_file+0xa8/0x100 fs/f2fs/file.c:1941\n       __fput+0x23f/0x880 fs/file_table.c:431\n       task_work_run+0x24f/0x310 kernel/task_work.c:228\n       resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n       exit_to_user_mode_loop kernel/entry/common.c:114 [inline]\n       exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]\n       __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]\n       syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218\n       do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89\n       entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:58:14.914Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ecf4e6782b01fd578b565b3dd2be7bb0ac91082e"
        },
        {
          "url": "https://git.kernel.org/stable/c/1539a088b108996bcdaddb7775070b5163b14233"
        },
        {
          "url": "https://git.kernel.org/stable/c/801092a2c9c251ef6a8678fcb8fcc1220474a697"
        },
        {
          "url": "https://git.kernel.org/stable/c/f10a890308a7cd8794e21f646f09827c6cb4bf5d"
        }
      ],
      "title": "f2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56744",
    "datePublished": "2024-12-29T11:30:11.816Z",
    "dateReserved": "2024-12-29T11:26:39.758Z",
    "dateUpdated": "2026-05-11T20:58:14.914Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-56744",
      "date": "2026-05-18",
      "epss": "0.00017",
      "percentile": "0.04367"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.4.4\", \"versionEndExcluding\": \"6.6.64\", \"matchCriteriaId\": \"D19234B8-D413-446B-AEF8-3A02C2A03442\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7\", \"versionEndExcluding\": \"6.11.11\", \"matchCriteriaId\": \"21434379-192D-472F-9B54-D45E3650E893\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.12\", \"versionEndExcluding\": \"6.12.2\", \"matchCriteriaId\": \"D8882B1B-2ABC-4838-AC1D-DBDBB5764776\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()\\n\\nsyzbot reports deadlock issue of f2fs as below:\\n\\n======================================================\\nWARNING: possible circular locking dependency detected\\n6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 Not tainted\\n------------------------------------------------------\\nkswapd0/79 is trying to acquire lock:\\nffff888011824088 (\u0026sbi-\u003esb_lock){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline]\\nffff888011824088 (\u0026sbi-\u003esb_lock){++++}-{3:3}, at: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068\\n\\nbut task is already holding lock:\\nffff88804bd92610 (sb_internal#2){.+.+}-{0:0}, at: f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\\n\\nwhich lock already depends on the new lock.\\n\\nthe existing dependency chain (in reverse order) is:\\n\\n-\u003e #2 (sb_internal#2){.+.+}-{0:0}:\\n       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\\n       percpu_down_read include/linux/percpu-rwsem.h:51 [inline]\\n       __sb_start_write include/linux/fs.h:1716 [inline]\\n       sb_start_intwrite+0x4d/0x1c0 include/linux/fs.h:1899\\n       f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\\n       evict+0x4e8/0x9b0 fs/inode.c:725\\n       f2fs_evict_inode+0x1a4/0x15c0 fs/f2fs/inode.c:807\\n       evict+0x4e8/0x9b0 fs/inode.c:725\\n       dispose_list fs/inode.c:774 [inline]\\n       prune_icache_sb+0x239/0x2f0 fs/inode.c:963\\n       super_cache_scan+0x38c/0x4b0 fs/super.c:223\\n       do_shrink_slab+0x701/0x1160 mm/shrinker.c:435\\n       shrink_slab+0x1093/0x14d0 mm/shrinker.c:662\\n       shrink_one+0x43b/0x850 mm/vmscan.c:4818\\n       shrink_many mm/vmscan.c:4879 [inline]\\n       lru_gen_shrink_node mm/vmscan.c:4957 [inline]\\n       shrink_node+0x3799/0x3de0 mm/vmscan.c:5937\\n       kswapd_shrink_node mm/vmscan.c:6765 [inline]\\n       balance_pgdat mm/vmscan.c:6957 [inline]\\n       kswapd+0x1ca3/0x3700 mm/vmscan.c:7226\\n       kthread+0x2f0/0x390 kernel/kthread.c:389\\n       ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\\n       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\\n\\n-\u003e #1 (fs_reclaim){+.+.}-{0:0}:\\n       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\\n       __fs_reclaim_acquire mm/page_alloc.c:3834 [inline]\\n       fs_reclaim_acquire+0x88/0x130 mm/page_alloc.c:3848\\n       might_alloc include/linux/sched/mm.h:318 [inline]\\n       prepare_alloc_pages+0x147/0x5b0 mm/page_alloc.c:4493\\n       __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722\\n       alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265\\n       alloc_pages_noprof mm/mempolicy.c:2345 [inline]\\n       folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352\\n       filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010\\n       do_read_cache_folio+0x2eb/0x850 mm/filemap.c:3787\\n       read_mapping_folio include/linux/pagemap.h:1011 [inline]\\n       f2fs_commit_super+0x3c0/0x7d0 fs/f2fs/super.c:4032\\n       f2fs_record_stop_reason+0x13b/0x1d0 fs/f2fs/super.c:4079\\n       f2fs_handle_critical_error+0x2ac/0x5c0 fs/f2fs/super.c:4174\\n       f2fs_write_inode+0x35f/0x4d0 fs/f2fs/inode.c:785\\n       write_inode fs/fs-writeback.c:1503 [inline]\\n       __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723\\n       writeback_single_inode+0x1f3/0x660 fs/fs-writeback.c:1779\\n       sync_inode_metadata+0xc4/0x120 fs/fs-writeback.c:2849\\n       f2fs_release_file+0xa8/0x100 fs/f2fs/file.c:1941\\n       __fput+0x23f/0x880 fs/file_table.c:431\\n       task_work_run+0x24f/0x310 kernel/task_work.c:228\\n       resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\\n       exit_to_user_mode_loop kernel/entry/common.c:114 [inline]\\n       exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]\\n       __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]\\n       syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218\\n       do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89\\n       entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n---truncated---\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\\u00f3n para evitar un posible bloqueo en f2fs_record_stop_reason() syzbot informa un problema de bloqueo de f2fs como se muestra a continuaci\\u00f3n: ========================================================= ADVERTENCIA: se detect\\u00f3 una posible dependencia de bloqueo circular 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 No contaminado ------------------------------------------------------ kswapd0/79 est\\u00e1 intentando adquirir el bloqueo: ffff888011824088 (\u0026amp;sbi-\u0026gt;sb_lock){++++}-{3:3}, en: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline] ffff888011824088 (\u0026amp;sbi-\u0026gt;sb_lock){++++}-{3:3}, en: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068 pero la tarea ya tiene el bloqueo: ffff88804bd92610 (sb_internal#2){.+.+}-{0:0}, en: f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842 cuyo bloqueo ya depende del nuevo bloqueo. la cadena de dependencia existente (en orden inverso) es: -\u0026gt; #2 (sb_internal#2){.+.+}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 percpu_down_read include/linux/percpu-rwsem.h:51 [en l\\u00ednea] __sb_start_write include/linux/fs.h:1716 [en l\\u00ednea] sb_start_intwrite+0x4d/0x1c0 include/linux/fs.h:1899 f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842 evict+0x4e8/0x9b0 fs/inode.c:725 f2fs_evict_inode+0x1a4/0x15c0 fs/f2fs/inode.c:807 desalojar+0x4e8/0x9b0 fs/inode.c:725 lista_de_eliminaci\\u00f3n fs/inode.c:774 [en l\\u00ednea] podar_icache_sb+0x239/0x2f0 fs/inode.c:963 super_cache_scan+0x38c/0x4b0 fs/super.c:223 encoger_losa+0x701/0x1160 mm/shrinker.c:435 encoger_losa+0x1093/0x14d0 mm/shrinker.c:662 encoger_uno+0x43b/0x850 mm/vmscan.c:4818 encoger_muchos mm/vmscan.c:4879 [en l\\u00ednea] nodo_de_encogimiento_lru_gen mm/vmscan.c:4957 [en l\\u00ednea] nodo_reducci\\u00f3n+0x3799/0x3de0 mm/vmscan.c:5937 nodo_reducci\\u00f3n_kswapd mm/vmscan.c:6765 [en l\\u00ednea] balance_pgdat mm/vmscan.c:6957 [en l\\u00ednea] kswapd+0x1ca3/0x3700 mm/vmscan.c:7226 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_de_la_bifurcaci\\u00f3n+0x4b/0x80 arch/x86/kernel/process.c:147 ret_de_la_bifurcaci\\u00f3n_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -\u0026gt; #1 (fs_reclaim){+.+.}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __fs_reclaim_acquire mm/page_alloc.c:3834 [en l\\u00ednea] fs_reclaim_acquire+0x88/0x130 mm/page_alloc.c:3848 might_alloc include/linux/sched/mm.h:318 [en l\\u00ednea] prepare_alloc_pages+0x147/0x5b0 mm/page_alloc.c:4493 __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [en l\\u00ednea] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 do_read_cache_folio+0x2eb/0x850 mm/filemap.c:3787 read_mapping_folio include/linux/pagemap.h:1011 [en l\\u00ednea] f2fs_commit_super+0x3c0/0x7d0 fs/f2fs/super.c:4032 f2fs_record_stop_reason+0x13b/0x1d0 fs/f2fs/super.c:4079 f2fs_handle_critical_error+0x2ac/0x5c0 fs/f2fs/super.c:4174 f2fs_write_inode+0x35f/0x4d0 fs/f2fs/inode.c:785 escritura_inodo fs/fs-writeback.c:1503 [en l\\u00ednea] __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723 escritura_inversa_single_inode+0x1f3/0x660 fs/fs-writeback.c:1779 sync_inode_metadata+0xc4/0x120 fs/fs-writeback.c:2849 f2fs_release_file+0xa8/0x100 fs/f2fs/file.c:1941 __fput+0x23f/0x880 fs/file_table.c:431 tarea_trabajo_ejecutar+0x24f/0x310 kernel/tarea_trabajo.c:228 reanudar_modo_usuario_trabajo include/linux/reanudar_modo_usuario.h:50 [en l\\u00ednea] salir_al_bucle_modo_usuario kernel/entrada/com\\u00fan.c:114 [en l\\u00ednea] salir_al_bucle_modo_usuario_preparar include/linux/entrada-com\\u00fan.h:328 [en l\\u00ednea] __syscall_salir_al_modo_usuario_trabajo kernel/entrada/com\\u00fan.c:207 [en l\\u00ednea] syscall_salir_al_modo_usuario_trabajo+0x168/0x370 kernel/entrada/com\\u00fan.c:218 hacer_syscall_64+0x100/0x230 arch/x86/entrada/com\\u00fan.c:89 entrada_SYSCALL_64_after_hwframe+0x77/0x7f ---truncado---\"}]",
      "id": "CVE-2024-56744",
      "lastModified": "2025-01-07T22:14:03.760",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2024-12-29T12:15:07.817",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/1539a088b108996bcdaddb7775070b5163b14233\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/801092a2c9c251ef6a8678fcb8fcc1220474a697\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ecf4e6782b01fd578b565b3dd2be7bb0ac91082e\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/f10a890308a7cd8794e21f646f09827c6cb4bf5d\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-667\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56744\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-29T12:15:07.817\",\"lastModified\":\"2025-04-16T19:15:52.783\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()\\n\\nsyzbot reports deadlock issue of f2fs as below:\\n\\n======================================================\\nWARNING: possible circular locking dependency detected\\n6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 Not tainted\\n------------------------------------------------------\\nkswapd0/79 is trying to acquire lock:\\nffff888011824088 (\u0026sbi-\u003esb_lock){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline]\\nffff888011824088 (\u0026sbi-\u003esb_lock){++++}-{3:3}, at: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068\\n\\nbut task is already holding lock:\\nffff88804bd92610 (sb_internal#2){.+.+}-{0:0}, at: f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\\n\\nwhich lock already depends on the new lock.\\n\\nthe existing dependency chain (in reverse order) is:\\n\\n-\u003e #2 (sb_internal#2){.+.+}-{0:0}:\\n       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\\n       percpu_down_read include/linux/percpu-rwsem.h:51 [inline]\\n       __sb_start_write include/linux/fs.h:1716 [inline]\\n       sb_start_intwrite+0x4d/0x1c0 include/linux/fs.h:1899\\n       f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\\n       evict+0x4e8/0x9b0 fs/inode.c:725\\n       f2fs_evict_inode+0x1a4/0x15c0 fs/f2fs/inode.c:807\\n       evict+0x4e8/0x9b0 fs/inode.c:725\\n       dispose_list fs/inode.c:774 [inline]\\n       prune_icache_sb+0x239/0x2f0 fs/inode.c:963\\n       super_cache_scan+0x38c/0x4b0 fs/super.c:223\\n       do_shrink_slab+0x701/0x1160 mm/shrinker.c:435\\n       shrink_slab+0x1093/0x14d0 mm/shrinker.c:662\\n       shrink_one+0x43b/0x850 mm/vmscan.c:4818\\n       shrink_many mm/vmscan.c:4879 [inline]\\n       lru_gen_shrink_node mm/vmscan.c:4957 [inline]\\n       shrink_node+0x3799/0x3de0 mm/vmscan.c:5937\\n       kswapd_shrink_node mm/vmscan.c:6765 [inline]\\n       balance_pgdat mm/vmscan.c:6957 [inline]\\n       kswapd+0x1ca3/0x3700 mm/vmscan.c:7226\\n       kthread+0x2f0/0x390 kernel/kthread.c:389\\n       ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\\n       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\\n\\n-\u003e #1 (fs_reclaim){+.+.}-{0:0}:\\n       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\\n       __fs_reclaim_acquire mm/page_alloc.c:3834 [inline]\\n       fs_reclaim_acquire+0x88/0x130 mm/page_alloc.c:3848\\n       might_alloc include/linux/sched/mm.h:318 [inline]\\n       prepare_alloc_pages+0x147/0x5b0 mm/page_alloc.c:4493\\n       __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722\\n       alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265\\n       alloc_pages_noprof mm/mempolicy.c:2345 [inline]\\n       folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352\\n       filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010\\n       do_read_cache_folio+0x2eb/0x850 mm/filemap.c:3787\\n       read_mapping_folio include/linux/pagemap.h:1011 [inline]\\n       f2fs_commit_super+0x3c0/0x7d0 fs/f2fs/super.c:4032\\n       f2fs_record_stop_reason+0x13b/0x1d0 fs/f2fs/super.c:4079\\n       f2fs_handle_critical_error+0x2ac/0x5c0 fs/f2fs/super.c:4174\\n       f2fs_write_inode+0x35f/0x4d0 fs/f2fs/inode.c:785\\n       write_inode fs/fs-writeback.c:1503 [inline]\\n       __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723\\n       writeback_single_inode+0x1f3/0x660 fs/fs-writeback.c:1779\\n       sync_inode_metadata+0xc4/0x120 fs/fs-writeback.c:2849\\n       f2fs_release_file+0xa8/0x100 fs/f2fs/file.c:1941\\n       __fput+0x23f/0x880 fs/file_table.c:431\\n       task_work_run+0x24f/0x310 kernel/task_work.c:228\\n       resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\\n       exit_to_user_mode_loop kernel/entry/common.c:114 [inline]\\n       exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]\\n       __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]\\n       syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218\\n       do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89\\n       entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\u00f3n para evitar un posible bloqueo en f2fs_record_stop_reason() syzbot informa un problema de bloqueo de f2fs como se muestra a continuaci\u00f3n: ========================================================= ADVERTENCIA: se detect\u00f3 una posible dependencia de bloqueo circular 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 No contaminado ------------------------------------------------------ kswapd0/79 est\u00e1 intentando adquirir el bloqueo: ffff888011824088 (\u0026amp;sbi-\u0026gt;sb_lock){++++}-{3:3}, en: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline] ffff888011824088 (\u0026amp;sbi-\u0026gt;sb_lock){++++}-{3:3}, en: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068 pero la tarea ya tiene el bloqueo: ffff88804bd92610 (sb_internal#2){.+.+}-{0:0}, en: f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842 cuyo bloqueo ya depende del nuevo bloqueo. la cadena de dependencia existente (en orden inverso) es: -\u0026gt; #2 (sb_internal#2){.+.+}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 percpu_down_read include/linux/percpu-rwsem.h:51 [en l\u00ednea] __sb_start_write include/linux/fs.h:1716 [en l\u00ednea] sb_start_intwrite+0x4d/0x1c0 include/linux/fs.h:1899 f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842 evict+0x4e8/0x9b0 fs/inode.c:725 f2fs_evict_inode+0x1a4/0x15c0 fs/f2fs/inode.c:807 desalojar+0x4e8/0x9b0 fs/inode.c:725 lista_de_eliminaci\u00f3n fs/inode.c:774 [en l\u00ednea] podar_icache_sb+0x239/0x2f0 fs/inode.c:963 super_cache_scan+0x38c/0x4b0 fs/super.c:223 encoger_losa+0x701/0x1160 mm/shrinker.c:435 encoger_losa+0x1093/0x14d0 mm/shrinker.c:662 encoger_uno+0x43b/0x850 mm/vmscan.c:4818 encoger_muchos mm/vmscan.c:4879 [en l\u00ednea] nodo_de_encogimiento_lru_gen mm/vmscan.c:4957 [en l\u00ednea] nodo_reducci\u00f3n+0x3799/0x3de0 mm/vmscan.c:5937 nodo_reducci\u00f3n_kswapd mm/vmscan.c:6765 [en l\u00ednea] balance_pgdat mm/vmscan.c:6957 [en l\u00ednea] kswapd+0x1ca3/0x3700 mm/vmscan.c:7226 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_de_la_bifurcaci\u00f3n+0x4b/0x80 arch/x86/kernel/process.c:147 ret_de_la_bifurcaci\u00f3n_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -\u0026gt; #1 (fs_reclaim){+.+.}-{0:0}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __fs_reclaim_acquire mm/page_alloc.c:3834 [en l\u00ednea] fs_reclaim_acquire+0x88/0x130 mm/page_alloc.c:3848 might_alloc include/linux/sched/mm.h:318 [en l\u00ednea] prepare_alloc_pages+0x147/0x5b0 mm/page_alloc.c:4493 __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [en l\u00ednea] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 do_read_cache_folio+0x2eb/0x850 mm/filemap.c:3787 read_mapping_folio include/linux/pagemap.h:1011 [en l\u00ednea] f2fs_commit_super+0x3c0/0x7d0 fs/f2fs/super.c:4032 f2fs_record_stop_reason+0x13b/0x1d0 fs/f2fs/super.c:4079 f2fs_handle_critical_error+0x2ac/0x5c0 fs/f2fs/super.c:4174 f2fs_write_inode+0x35f/0x4d0 fs/f2fs/inode.c:785 escritura_inodo fs/fs-writeback.c:1503 [en l\u00ednea] __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723 escritura_inversa_single_inode+0x1f3/0x660 fs/fs-writeback.c:1779 sync_inode_metadata+0xc4/0x120 fs/fs-writeback.c:2849 f2fs_release_file+0xa8/0x100 fs/f2fs/file.c:1941 __fput+0x23f/0x880 fs/file_table.c:431 tarea_trabajo_ejecutar+0x24f/0x310 kernel/tarea_trabajo.c:228 reanudar_modo_usuario_trabajo include/linux/reanudar_modo_usuario.h:50 [en l\u00ednea] salir_al_bucle_modo_usuario kernel/entrada/com\u00fan.c:114 [en l\u00ednea] salir_al_bucle_modo_usuario_preparar include/linux/entrada-com\u00fan.h:328 [en l\u00ednea] __syscall_salir_al_modo_usuario_trabajo kernel/entrada/com\u00fan.c:207 [en l\u00ednea] syscall_salir_al_modo_usuario_trabajo+0x168/0x370 kernel/entrada/com\u00fan.c:218 hacer_syscall_64+0x100/0x230 arch/x86/entrada/com\u00fan.c:89 entrada_SYSCALL_64_after_hwframe+0x77/0x7f ---truncado---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.4\",\"versionEndExcluding\":\"6.6.64\",\"matchCriteriaId\":\"D19234B8-D413-446B-AEF8-3A02C2A03442\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.11\",\"matchCriteriaId\":\"21434379-192D-472F-9B54-D45E3650E893\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.2\",\"matchCriteriaId\":\"D8882B1B-2ABC-4838-AC1D-DBDBB5764776\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1539a088b108996bcdaddb7775070b5163b14233\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/801092a2c9c251ef6a8678fcb8fcc1220474a697\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ecf4e6782b01fd578b565b3dd2be7bb0ac91082e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f10a890308a7cd8794e21f646f09827c6cb4bf5d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.