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CVE-2026-23181

In the Linux kernel, the following vulnerability has been resolved: btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the block device to 0x4000 by executing the BLKBSZSET command. Since the block size change also changes the mapping->flags value, this further affects the result of the mapping_min_folio_order() calculation. Let's analyze the following two scenarios: Scenario 1: Without e
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:af99202c53f4859d32ab65ff455a57089109960e1572c18c67e76ceebb810348
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/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:886b56742e3a19d3abd4b315aaf33770d263b68d069fffccf75735112310fc22 · sha256:626d82a498eb9d95… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ccb3c75d57039adb3170ae54a0d470e359705984","status":"affected","version":"3c20917120ce61f2a123ca0810293872f4c6b5a4","versionType":"git"},{"lessThan":"3f29d661e5686f3aa14e6f11537ff5c49846f2e2","status":"affected","version":"3c20917120ce61f2a123ca0810293872f4c6b5a4","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:886b56742e3a19d3abd4b315aaf33770d263b68d069fffccf75735112310fc22 · sha256:626d82a498eb9d95… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:886b56742e3a19d3abd4b315aaf33770d263b68d069fffccf75735112310fc22 · sha256:626d82a498eb9d95… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ccb3c75d57039adb3170ae54a0d470e359705984","status":"affected","version":"3c20917120ce61f2a123ca0810293872f4c6b5a4","versionType":"git"},{"lessThan":"3f29d661e5686f3aa14e6f11537ff5c49846f2e2","status":"affected","version":"3c20917120ce61f2a123ca0810293872f4c6b5a4","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:886b56742e3a19d3abd4b315aaf33770d263b68d069fffccf75735112310fc22 · sha256:626d82a498eb9d95… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/3f29d661e5686f3aa14e6f11537ff5c49846f2e2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:886b56742e3a19d3abd4b315aaf33770d263b68d069fffccf75735112310fc22 · sha256:626d82a498eb9d95… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ccb3c75d57039adb3170ae54a0d470e359705984"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:886b56742e3a19d3abd4b315aaf33770d263b68d069fffccf75735112310fc22 · sha256:626d82a498eb9d95… · /containers/cna/references/0

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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