CVE-2024-56586
Vulnerability from cvelistv5
Published
2024-12-27 14:50
Modified
2025-01-20 06:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix f2fs_bug_on when uninstalling filesystem call f2fs_evict_inode. creating a large files during checkpoint disable until it runs out of space and then delete it, then remount to enable checkpoint again, and then unmount the filesystem triggers the f2fs_bug_on as below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/inode.c:896! CPU: 2 UID: 0 PID: 1286 Comm: umount Not tainted 6.11.0-rc7-dirty #360 Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:f2fs_evict_inode+0x58c/0x610 Call Trace: __die_body+0x15/0x60 die+0x33/0x50 do_trap+0x10a/0x120 f2fs_evict_inode+0x58c/0x610 do_error_trap+0x60/0x80 f2fs_evict_inode+0x58c/0x610 exc_invalid_op+0x53/0x60 f2fs_evict_inode+0x58c/0x610 asm_exc_invalid_op+0x16/0x20 f2fs_evict_inode+0x58c/0x610 evict+0x101/0x260 dispose_list+0x30/0x50 evict_inodes+0x140/0x190 generic_shutdown_super+0x2f/0x150 kill_block_super+0x11/0x40 kill_f2fs_super+0x7d/0x140 deactivate_locked_super+0x2a/0x70 cleanup_mnt+0xb3/0x140 task_work_run+0x61/0x90 The root cause is: creating large files during disable checkpoint period results in not enough free segments, so when writing back root inode will failed in f2fs_enable_checkpoint. When umount the file system after enabling checkpoint, the root inode is dirty in f2fs_evict_inode function, which triggers BUG_ON. The steps to reproduce are as follows: dd if=/dev/zero of=f2fs.img bs=1M count=55 mount f2fs.img f2fs_dir -o checkpoint=disable:10% dd if=/dev/zero of=big bs=1M count=50 sync rm big mount -o remount,checkpoint=enable f2fs_dir umount f2fs_dir Let's redirty inode when there is not free segments during checkpoint is disable.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9669b28f81e0ec6305af7773846fbe2cef1e7d61
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9e28513fd2858911dcf47b84160a8824587536b6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a365de2fbfbe1e6740bfb75ab5c3245cf7bbe4d7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac8aaf78bd039fa1be0acaa8e84a56499f79d721
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d5c367ef8287fb4d235c46a2f8c8d68715f3a0ca
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dff561e4060d28edc9a2960d4a87f3c945a96aa3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ef517d2d21c3d8e2ad35b2bb728bd1c90a31e617
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/inode.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ac8aaf78bd039fa1be0acaa8e84a56499f79d721",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "dff561e4060d28edc9a2960d4a87f3c945a96aa3",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
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            {
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              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "d5c367ef8287fb4d235c46a2f8c8d68715f3a0ca",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/inode.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.287",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.231",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.174",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.120",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.66",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix f2fs_bug_on when uninstalling filesystem call f2fs_evict_inode.\n\ncreating a large files during checkpoint disable until it runs out of\nspace and then delete it, then remount to enable checkpoint again, and\nthen unmount the filesystem triggers the f2fs_bug_on as below:\n\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/inode.c:896!\nCPU: 2 UID: 0 PID: 1286 Comm: umount Not tainted 6.11.0-rc7-dirty #360\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\nRIP: 0010:f2fs_evict_inode+0x58c/0x610\nCall Trace:\n __die_body+0x15/0x60\n die+0x33/0x50\n do_trap+0x10a/0x120\n f2fs_evict_inode+0x58c/0x610\n do_error_trap+0x60/0x80\n f2fs_evict_inode+0x58c/0x610\n exc_invalid_op+0x53/0x60\n f2fs_evict_inode+0x58c/0x610\n asm_exc_invalid_op+0x16/0x20\n f2fs_evict_inode+0x58c/0x610\n evict+0x101/0x260\n dispose_list+0x30/0x50\n evict_inodes+0x140/0x190\n generic_shutdown_super+0x2f/0x150\n kill_block_super+0x11/0x40\n kill_f2fs_super+0x7d/0x140\n deactivate_locked_super+0x2a/0x70\n cleanup_mnt+0xb3/0x140\n task_work_run+0x61/0x90\n\nThe root cause is: creating large files during disable checkpoint\nperiod results in not enough free segments, so when writing back root\ninode will failed in f2fs_enable_checkpoint. When umount the file\nsystem after enabling checkpoint, the root inode is dirty in\nf2fs_evict_inode function, which triggers BUG_ON. The steps to\nreproduce are as follows:\n\ndd if=/dev/zero of=f2fs.img bs=1M count=55\nmount f2fs.img f2fs_dir -o checkpoint=disable:10%\ndd if=/dev/zero of=big bs=1M count=50\nsync\nrm big\nmount -o remount,checkpoint=enable f2fs_dir\numount f2fs_dir\n\nLet\u0027s redirty inode when there is not free segments during checkpoint\nis disable."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-20T06:23:35.856Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ac8aaf78bd039fa1be0acaa8e84a56499f79d721"
        },
        {
          "url": "https://git.kernel.org/stable/c/dff561e4060d28edc9a2960d4a87f3c945a96aa3"
        },
        {
          "url": "https://git.kernel.org/stable/c/a365de2fbfbe1e6740bfb75ab5c3245cf7bbe4d7"
        },
        {
          "url": "https://git.kernel.org/stable/c/ef517d2d21c3d8e2ad35b2bb728bd1c90a31e617"
        },
        {
          "url": "https://git.kernel.org/stable/c/9669b28f81e0ec6305af7773846fbe2cef1e7d61"
        },
        {
          "url": "https://git.kernel.org/stable/c/9e28513fd2858911dcf47b84160a8824587536b6"
        },
        {
          "url": "https://git.kernel.org/stable/c/d5c367ef8287fb4d235c46a2f8c8d68715f3a0ca"
        }
      ],
      "title": "f2fs: fix f2fs_bug_on when uninstalling filesystem call f2fs_evict_inode.",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56586",
    "datePublished": "2024-12-27T14:50:54.378Z",
    "dateReserved": "2024-12-27T14:03:06.001Z",
    "dateUpdated": "2025-01-20T06:23:35.856Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56586\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T15:15:17.800\",\"lastModified\":\"2024-12-27T15:15:17.800\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix f2fs_bug_on when uninstalling filesystem call f2fs_evict_inode.\\n\\ncreating a large files during checkpoint disable until it runs out of\\nspace and then delete it, then remount to enable checkpoint again, and\\nthen unmount the filesystem triggers the f2fs_bug_on as below:\\n\\n------------[ cut here ]------------\\nkernel BUG at fs/f2fs/inode.c:896!\\nCPU: 2 UID: 0 PID: 1286 Comm: umount Not tainted 6.11.0-rc7-dirty #360\\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\\nRIP: 0010:f2fs_evict_inode+0x58c/0x610\\nCall Trace:\\n __die_body+0x15/0x60\\n die+0x33/0x50\\n do_trap+0x10a/0x120\\n f2fs_evict_inode+0x58c/0x610\\n do_error_trap+0x60/0x80\\n f2fs_evict_inode+0x58c/0x610\\n exc_invalid_op+0x53/0x60\\n f2fs_evict_inode+0x58c/0x610\\n asm_exc_invalid_op+0x16/0x20\\n f2fs_evict_inode+0x58c/0x610\\n evict+0x101/0x260\\n dispose_list+0x30/0x50\\n evict_inodes+0x140/0x190\\n generic_shutdown_super+0x2f/0x150\\n kill_block_super+0x11/0x40\\n kill_f2fs_super+0x7d/0x140\\n deactivate_locked_super+0x2a/0x70\\n cleanup_mnt+0xb3/0x140\\n task_work_run+0x61/0x90\\n\\nThe root cause is: creating large files during disable checkpoint\\nperiod results in not enough free segments, so when writing back root\\ninode will failed in f2fs_enable_checkpoint. When umount the file\\nsystem after enabling checkpoint, the root inode is dirty in\\nf2fs_evict_inode function, which triggers BUG_ON. The steps to\\nreproduce are as follows:\\n\\ndd if=/dev/zero of=f2fs.img bs=1M count=55\\nmount f2fs.img f2fs_dir -o checkpoint=disable:10%\\ndd if=/dev/zero of=big bs=1M count=50\\nsync\\nrm big\\nmount -o remount,checkpoint=enable f2fs_dir\\numount f2fs_dir\\n\\nLet\u0027s redirty inode when there is not free segments during checkpoint\\nis disable.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/9669b28f81e0ec6305af7773846fbe2cef1e7d61\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9e28513fd2858911dcf47b84160a8824587536b6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a365de2fbfbe1e6740bfb75ab5c3245cf7bbe4d7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ac8aaf78bd039fa1be0acaa8e84a56499f79d721\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d5c367ef8287fb4d235c46a2f8c8d68715f3a0ca\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dff561e4060d28edc9a2960d4a87f3c945a96aa3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ef517d2d21c3d8e2ad35b2bb728bd1c90a31e617\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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