Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-45985

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before submitting I/O When allocating blocks during within-EOF DIO and writeback with dioread_nolock enabled, EXT4_GET_BLOCKS_PRE_IO was set to split an existing large unwritten extent. However, EXT4_GET_BLOCKS_CONVERT was set when calling ext4_split_convert_extents(), which may potentially result in stale data issues. Assume we have an unwritten extent, and then DIO writ
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8b350cee62c9c62bf2186324f957f63b4e0829f6426d0e63c40346d45529c053
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":"unaffected","product":"Linux","programFiles":["fs/ext4/extents.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"77e407967cd872cd75d7e4a691908e49c8e6b4d4","status":"affected","version":"b8a8684502a0fc852afa0056c6bb2a9273f6fcc0","versionType":"git"},{"lessThan":"37555690f39f78ef69af347d9aff897e07445949","status":"affected","version":"b8a8684502a0fc852afa0056c6bb2a9273f6fcc0","versionType":"git"},{"lessThan":"67cdb7bd7442bd3cdc6d6088bbb2df9be2fe936c","status":"affected","version":"b8a8684502a0fc852afa0056c6bb…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ext4/extents.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.15"},{"lessThan":"3.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrE…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ext4/extents.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"77e407967cd872cd75d7e4a691908e49c8e6b4d4","status":"affected","version":"b8a8684502a0fc852afa0056c6bb2a9273f6fcc0","versionType":"git"},{"lessThan":"37555690f39f78ef69af347d9aff897e07445949","status":"affected","version":"b8a8684502a0fc852afa0056c6bb2a9273f6fcc0","versionType":"git"},{"lessThan":"67cdb7bd7442bd3cdc6d6088bbb2df9be2fe936c","status":"affected","version":"b8a8684502a0fc852afa0056c6bb…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ext4/extents.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.15"},{"lessThan":"3.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrE…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/affected/1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/2698731d25823267c29190cb578da9296a0c0d7b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/2920ec61c98b9476781359f05b94da84e80f54d4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/37555690f39f78ef69af347d9aff897e07445949"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/67cdb7bd7442bd3cdc6d6088bbb2df9be2fe936c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/716e7439a5a9b18c3ff882c2f8c834b9ced1aaec"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/77e407967cd872cd75d7e4a691908e49c8e6b4d4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/feaf2a80e78f89ee8a3464126077ba8683b62791"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fbda5644d7cff32b280b768c9b6fc2e46fd919b91d69482b53d1d46d23d47405 · sha256:44d1ed2525437dc3… · /containers/cna/references/6

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.

← Back to CVE Explorer