CVE-2023-53763 (GCVE-0-2023-53763)

Vulnerability from cvelistv5 – Published: 2025-12-08 01:19 – Updated: 2025-12-08 01:19
VLAI?
Title
Revert "f2fs: fix to do sanity check on extent cache correctly"
Summary
In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: fix to do sanity check on extent cache correctly" syzbot reports a f2fs bug as below: UBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3275:19 index 1409 is out of range for type '__le32[923]' (aka 'unsigned int[923]') Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348 inline_data_addr fs/f2fs/f2fs.h:3275 [inline] __recover_inline_status fs/f2fs/inode.c:113 [inline] do_read_inode fs/f2fs/inode.c:480 [inline] f2fs_iget+0x4730/0x48b0 fs/f2fs/inode.c:604 f2fs_fill_super+0x640e/0x80c0 fs/f2fs/super.c:4601 mount_bdev+0x276/0x3b0 fs/super.c:1391 legacy_get_tree+0xef/0x190 fs/fs_context.c:611 vfs_get_tree+0x8c/0x270 fs/super.c:1519 do_new_mount+0x28f/0xae0 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The issue was bisected to: commit d48a7b3a72f121655d95b5157c32c7d555e44c05 Author: Chao Yu <chao@kernel.org> Date: Mon Jan 9 03:49:20 2023 +0000 f2fs: fix to do sanity check on extent cache correctly The root cause is we applied both v1 and v2 of the patch, v2 is the right fix, so it needs to revert v1 in order to fix reported issue. v1: commit d48a7b3a72f1 ("f2fs: fix to do sanity check on extent cache correctly") https://lore.kernel.org/lkml/20230109034920.492914-1-chao@kernel.org/ v2: commit 269d11948100 ("f2fs: fix to do sanity check on extent cache correctly") https://lore.kernel.org/lkml/20230207134808.1827869-1-chao@kernel.org/
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 85eb8b61dd4cfc7a839a0e86287b92ca6193444e , < 0d545a8e77cbd1fbad311b18952e38e0f7672ab4 (git)
Affected: d48a7b3a72f121655d95b5157c32c7d555e44c05 , < ea35767edc78327c686e21fe1231b668f11be0db (git)
Affected: d48a7b3a72f121655d95b5157c32c7d555e44c05 , < bbb3cd66301ef752fae2922452660f228d69bcaf (git)
Affected: d48a7b3a72f121655d95b5157c32c7d555e44c05 , < 958ccbbf1ce716d77c7cfa79ace50a421c1eed73 (git)
Affected: a3d1fd01250ffca88c11e9bd8d19be779acc7557 (git)
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    Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.1.53 , ≤ 6.1.* (semver)
Unaffected: 6.4.16 , ≤ 6.4.* (semver)
Unaffected: 6.5.3 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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{
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          "product": "Linux",
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"f2fs: fix to do sanity check on extent cache correctly\"\n\nsyzbot reports a f2fs bug as below:\n\nUBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3275:19\nindex 1409 is out of range for type \u0027__le32[923]\u0027 (aka \u0027unsigned int[923]\u0027)\nCall Trace:\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n ubsan_epilogue lib/ubsan.c:217 [inline]\n __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348\n inline_data_addr fs/f2fs/f2fs.h:3275 [inline]\n __recover_inline_status fs/f2fs/inode.c:113 [inline]\n do_read_inode fs/f2fs/inode.c:480 [inline]\n f2fs_iget+0x4730/0x48b0 fs/f2fs/inode.c:604\n f2fs_fill_super+0x640e/0x80c0 fs/f2fs/super.c:4601\n mount_bdev+0x276/0x3b0 fs/super.c:1391\n legacy_get_tree+0xef/0x190 fs/fs_context.c:611\n vfs_get_tree+0x8c/0x270 fs/super.c:1519\n do_new_mount+0x28f/0xae0 fs/namespace.c:3335\n do_mount fs/namespace.c:3675 [inline]\n __do_sys_mount fs/namespace.c:3884 [inline]\n __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe issue was bisected to:\n\ncommit d48a7b3a72f121655d95b5157c32c7d555e44c05\nAuthor: Chao Yu \u003cchao@kernel.org\u003e\nDate:   Mon Jan 9 03:49:20 2023 +0000\n\n    f2fs: fix to do sanity check on extent cache correctly\n\nThe root cause is we applied both v1 and v2 of the patch, v2 is the right\nfix, so it needs to revert v1 in order to fix reported issue.\n\nv1:\ncommit d48a7b3a72f1 (\"f2fs: fix to do sanity check on extent cache correctly\")\nhttps://lore.kernel.org/lkml/20230109034920.492914-1-chao@kernel.org/\n\nv2:\ncommit 269d11948100 (\"f2fs: fix to do sanity check on extent cache correctly\")\nhttps://lore.kernel.org/lkml/20230207134808.1827869-1-chao@kernel.org/"
        }
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        "dateUpdated": "2025-12-08T01:19:25.250Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/958ccbbf1ce716d77c7cfa79ace50a421c1eed73"
        }
      ],
      "title": "Revert \"f2fs: fix to do sanity check on extent cache correctly\"",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53763",
    "datePublished": "2025-12-08T01:19:25.250Z",
    "dateReserved": "2025-12-08T01:18:04.281Z",
    "dateUpdated": "2025-12-08T01:19:25.250Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53763\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-08T02:15:52.173\",\"lastModified\":\"2025-12-08T18:26:19.900\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nRevert \\\"f2fs: fix to do sanity check on extent cache correctly\\\"\\n\\nsyzbot reports a f2fs bug as below:\\n\\nUBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3275:19\\nindex 1409 is out of range for type \u0027__le32[923]\u0027 (aka \u0027unsigned int[923]\u0027)\\nCall Trace:\\n __dump_stack lib/dump_stack.c:88 [inline]\\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\\n ubsan_epilogue lib/ubsan.c:217 [inline]\\n __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348\\n inline_data_addr fs/f2fs/f2fs.h:3275 [inline]\\n __recover_inline_status fs/f2fs/inode.c:113 [inline]\\n do_read_inode fs/f2fs/inode.c:480 [inline]\\n f2fs_iget+0x4730/0x48b0 fs/f2fs/inode.c:604\\n f2fs_fill_super+0x640e/0x80c0 fs/f2fs/super.c:4601\\n mount_bdev+0x276/0x3b0 fs/super.c:1391\\n legacy_get_tree+0xef/0x190 fs/fs_context.c:611\\n vfs_get_tree+0x8c/0x270 fs/super.c:1519\\n do_new_mount+0x28f/0xae0 fs/namespace.c:3335\\n do_mount fs/namespace.c:3675 [inline]\\n __do_sys_mount fs/namespace.c:3884 [inline]\\n __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861\\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nThe issue was bisected to:\\n\\ncommit d48a7b3a72f121655d95b5157c32c7d555e44c05\\nAuthor: Chao Yu \u003cchao@kernel.org\u003e\\nDate:   Mon Jan 9 03:49:20 2023 +0000\\n\\n    f2fs: fix to do sanity check on extent cache correctly\\n\\nThe root cause is we applied both v1 and v2 of the patch, v2 is the right\\nfix, so it needs to revert v1 in order to fix reported issue.\\n\\nv1:\\ncommit d48a7b3a72f1 (\\\"f2fs: fix to do sanity check on extent cache correctly\\\")\\nhttps://lore.kernel.org/lkml/20230109034920.492914-1-chao@kernel.org/\\n\\nv2:\\ncommit 269d11948100 (\\\"f2fs: fix to do sanity check on extent cache correctly\\\")\\nhttps://lore.kernel.org/lkml/20230207134808.1827869-1-chao@kernel.org/\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0d545a8e77cbd1fbad311b18952e38e0f7672ab4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/958ccbbf1ce716d77c7cfa79ace50a421c1eed73\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bbb3cd66301ef752fae2922452660f228d69bcaf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ea35767edc78327c686e21fe1231b668f11be0db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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