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CVE-2026-45912

In the Linux kernel, the following vulnerability has been resolved: ext4: don't cache extent during splitting extent Caching extents during the splitting process is risky, as it may result in stale extents remaining in the status tree. Moreover, in most cases, the corresponding extent block entries are likely already cached before the split happens, making caching here not particularly useful. Assume we have an unwritten extent, and then DIO writes the first half. [UUUUUUUUUUUUUUUU] on-dis
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6a1bbac9709f357bddd591026aaa315d9554bfeea008df7ce65a59939f5a5383
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":"8302b5b4aacdbb378f7b1216bb2ee782b5142415","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"692103feca376ae4298c92aa8828015d20f1d87b","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"4c2d9dac4d328244f9365b0a1fa27ec802821820","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /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":"3.12"},{"lessThan":"3.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrE…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /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":"8302b5b4aacdbb378f7b1216bb2ee782b5142415","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"692103feca376ae4298c92aa8828015d20f1d87b","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5b26947de6024","versionType":"git"},{"lessThan":"4c2d9dac4d328244f9365b0a1fa27ec802821820","status":"affected","version":"107a7bd31ac003e42c0f966aa8e5…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /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":"3.12"},{"lessThan":"3.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrE…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/affected/1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/4c2d9dac4d328244f9365b0a1fa27ec802821820"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/5b1f4290453314e11cd8e15c7baa8a9b76c19b23"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/692103feca376ae4298c92aa8828015d20f1d87b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/8302b5b4aacdbb378f7b1216bb2ee782b5142415"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/8b4b19a2f96348d70bfa306ef7d4a13b0bcbea79"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/93b2ebbbcb2e63cfc21a1946dfe91d3aa7952036"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/96007fd3c106aea773c1afae2d6f64cceb6da208"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/9a2b95cdaf07785e2739199037bd9c0863ccc1be"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4fbd6df22ec4c70fe0e4374db444ea1b09f58b27401ce21703edc11848782a23 · sha256:ebf7e5972afa5ead… · /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.

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