CVE-2023-53537 (GCVE-0-2023-53537)
Vulnerability from cvelistv5
Published
2025-10-04 15:16
Modified
2025-10-04 15:16
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free for cached IPU bio xfstest generic/019 reports a bug: kernel BUG at mm/filemap.c:1619! RIP: 0010:folio_end_writeback+0x8a/0x90 Call Trace: end_page_writeback+0x1c/0x60 f2fs_write_end_io+0x199/0x420 bio_endio+0x104/0x180 submit_bio_noacct+0xa5/0x510 submit_bio+0x48/0x80 f2fs_submit_write_bio+0x35/0x300 f2fs_submit_merged_ipu_write+0x2a0/0x2b0 f2fs_write_single_data_page+0x838/0x8b0 f2fs_write_cache_pages+0x379/0xa30 f2fs_write_data_pages+0x30c/0x340 do_writepages+0xd8/0x1b0 __writeback_single_inode+0x44/0x370 writeback_sb_inodes+0x233/0x4d0 __writeback_inodes_wb+0x56/0xf0 wb_writeback+0x1dd/0x2d0 wb_workfn+0x367/0x4a0 process_one_work+0x21d/0x430 worker_thread+0x4e/0x3c0 kthread+0x103/0x130 ret_from_fork+0x2c/0x50 The root cause is: after cp_error is set, f2fs_submit_merged_ipu_write() in f2fs_write_single_data_page() tries to flush IPU bio in cache, however f2fs_submit_merged_ipu_write() missed to check validity of @bio parameter, result in submitting random cached bio which belong to other IO context, then it will cause use-after-free issue, fix it by adding additional validity check.
References
Impacted products
Vendor Product Version
Linux Linux Version: 0b20fcec8651569935a10afe03fedc0b812d044e
Version: 0b20fcec8651569935a10afe03fedc0b812d044e
Version: 0b20fcec8651569935a10afe03fedc0b812d044e
Version: 0b20fcec8651569935a10afe03fedc0b812d044e
Version: 0b20fcec8651569935a10afe03fedc0b812d044e
Version: 0b20fcec8651569935a10afe03fedc0b812d044e
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/data.c"
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          "vendor": "Linux",
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "version": "5.15.111",
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              "status": "unaffected",
              "version": "6.1.28",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.2.15",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.3.2",
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              "version": "6.4",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid use-after-free for cached IPU bio\n\nxfstest generic/019 reports a bug:\n\nkernel BUG at mm/filemap.c:1619!\nRIP: 0010:folio_end_writeback+0x8a/0x90\nCall Trace:\n end_page_writeback+0x1c/0x60\n f2fs_write_end_io+0x199/0x420\n bio_endio+0x104/0x180\n submit_bio_noacct+0xa5/0x510\n submit_bio+0x48/0x80\n f2fs_submit_write_bio+0x35/0x300\n f2fs_submit_merged_ipu_write+0x2a0/0x2b0\n f2fs_write_single_data_page+0x838/0x8b0\n f2fs_write_cache_pages+0x379/0xa30\n f2fs_write_data_pages+0x30c/0x340\n do_writepages+0xd8/0x1b0\n __writeback_single_inode+0x44/0x370\n writeback_sb_inodes+0x233/0x4d0\n __writeback_inodes_wb+0x56/0xf0\n wb_writeback+0x1dd/0x2d0\n wb_workfn+0x367/0x4a0\n process_one_work+0x21d/0x430\n worker_thread+0x4e/0x3c0\n kthread+0x103/0x130\n ret_from_fork+0x2c/0x50\n\nThe root cause is: after cp_error is set, f2fs_submit_merged_ipu_write()\nin f2fs_write_single_data_page() tries to flush IPU bio in cache, however\nf2fs_submit_merged_ipu_write() missed to check validity of @bio parameter,\nresult in submitting random cached bio which belong to other IO context,\nthen it will cause use-after-free issue, fix it by adding additional\nvalidity check."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-04T15:16:48.006Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/5cdb422c839134273866208dad5360835ddb9794"
        }
      ],
      "title": "f2fs: fix to avoid use-after-free for cached IPU bio",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53537",
    "datePublished": "2025-10-04T15:16:48.006Z",
    "dateReserved": "2025-10-04T15:14:15.919Z",
    "dateUpdated": "2025-10-04T15:16:48.006Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53537\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-04T16:15:48.697\",\"lastModified\":\"2025-10-06T14:56:21.733\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to avoid use-after-free for cached IPU bio\\n\\nxfstest generic/019 reports a bug:\\n\\nkernel BUG at mm/filemap.c:1619!\\nRIP: 0010:folio_end_writeback+0x8a/0x90\\nCall Trace:\\n end_page_writeback+0x1c/0x60\\n f2fs_write_end_io+0x199/0x420\\n bio_endio+0x104/0x180\\n submit_bio_noacct+0xa5/0x510\\n submit_bio+0x48/0x80\\n f2fs_submit_write_bio+0x35/0x300\\n f2fs_submit_merged_ipu_write+0x2a0/0x2b0\\n f2fs_write_single_data_page+0x838/0x8b0\\n f2fs_write_cache_pages+0x379/0xa30\\n f2fs_write_data_pages+0x30c/0x340\\n do_writepages+0xd8/0x1b0\\n __writeback_single_inode+0x44/0x370\\n writeback_sb_inodes+0x233/0x4d0\\n __writeback_inodes_wb+0x56/0xf0\\n wb_writeback+0x1dd/0x2d0\\n wb_workfn+0x367/0x4a0\\n process_one_work+0x21d/0x430\\n worker_thread+0x4e/0x3c0\\n kthread+0x103/0x130\\n ret_from_fork+0x2c/0x50\\n\\nThe root cause is: after cp_error is set, f2fs_submit_merged_ipu_write()\\nin f2fs_write_single_data_page() tries to flush IPU bio in cache, however\\nf2fs_submit_merged_ipu_write() missed to check validity of @bio parameter,\\nresult in submitting random cached bio which belong to other IO context,\\nthen it will cause use-after-free issue, fix it by adding additional\\nvalidity check.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5cdb422c839134273866208dad5360835ddb9794\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7d058f0ab161437369ad6e45a4b67c2886e71373\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/97ec6f1788cc6bee3f8c89cb908e1a2a1cd859bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9a7f63283af6befc0f91d549f4f6917dff7479a9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/af4ce124d7bd74cb839bbdaccffbb416771a56b5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b2f423fda64fb49213aa0ed5056079cf295a5df2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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