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CVE-2026-23234

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fs_write_end_io() As syzbot reported an use-after-free issue in f2fs_write_end_io(). It is caused by below race condition: loop device umount - worker_thread - loop_process_work - do_req_filebacked - lo_rw_aio - lo_rw_aio_complete - blk_mq_end_request - blk_update_request - f2fs_write_end_io - dec_page_count - folio_end_writeback - kill_f2fs_supe
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f31207bcce531c69abe1693850580610c77c64d24809ac57890e3b42d2f4a2c7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/f2fs/data.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.251","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.201","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.164","versionType":"semver"},{"lessThanOrEqua…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/f2fs/data.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0fb58aff0dafd6837cc91f4154f3ed6e020358fa","status":"affected","version":"e234088758fca3a669ebb1a02d8bf7bf60f0e4ff","versionType":"git"},{"lessThan":"2f67ff1e15a8a4d0e4ffc6564ab20d03d7398fe9","status":"affected","version":"e234088758fca3a669ebb1a02d8bf7bf60f0e4ff","versionType":"git"},{"lessThan":"505e1c0530db6152cab3feef8e3e4da3d3e358c9","status":"affected","version":"e234088758fca3a669ebb1a02d8bf7b…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/f2fs/data.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.251","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.201","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.164","versionType":"semver"},{"lessThanOrEqua…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/f2fs/data.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0fb58aff0dafd6837cc91f4154f3ed6e020358fa","status":"affected","version":"e234088758fca3a669ebb1a02d8bf7bf60f0e4ff","versionType":"git"},{"lessThan":"2f67ff1e15a8a4d0e4ffc6564ab20d03d7398fe9","status":"affected","version":"e234088758fca3a669ebb1a02d8bf7bf60f0e4ff","versionType":"git"},{"lessThan":"505e1c0530db6152cab3feef8e3e4da3d3e358c9","status":"affected","version":"e234088758fca3a669ebb1a02d8bf7b…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/affected/0

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/0fb58aff0dafd6837cc91f4154f3ed6e020358fa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/2f67ff1e15a8a4d0e4ffc6564ab20d03d7398fe9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/505e1c0530db6152cab3feef8e3e4da3d3e358c9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/995030be4ce6338c6ff814583c14166446a64008"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/a42f99be8a16b32a0bb91bb6dda212a6ad61be5d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/acc2c97fc0005846e5cf11b5ba3189fef130c9b3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/ce2739e482bce8d2c014d76c4531c877f382aa54"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/cf4a9e1bc8129eb63fda5f8bdcd8d87f0bd76f42"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:af74345ace0b51ad132547dc979c209998e840e5a318f7add28b61e59a8d7c5c · sha256:1bf8505e000d1c1a… · /containers/cna/references/4

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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