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CVE-2026-45934

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation I have been observing a number of systems aborting at insert_dev_extents() in btrfs_create_pending_block_groups(). The following is a sample stack trace of such an abort coming from forced chunk allocation (typically behind CONFIG_BTRFS_EXPERIMENTAL) but this can theoretically happen to any DUP chunk allocation. [81.801] ------------[ cut here ]--------
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3a5ca6afce89eff9da953983d0f69f13cc2a5bcfa4459b7ef3aa58737c169879
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/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7d4eadee7042d27fcea659fcdd738f463a7d2e70","status":"affected","version":"1b9845081633072c18f30d8cfd09c267adf0b109","versionType":"git"},{"lessThan":"156cac365e27a82b64ae510c5f463fd81f0265b1","status":"affected","version":"1b9845081633072c18f30d8cfd09c267adf0b109","versionType":"git"},{"lessThan":"b14c5e04bd0f722ed631845599d52d03fcae1bc1","status":"affected","version":"1b9845081633072c18f30d8cfd0…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88cb508c147a41f16976dfe894528fedebbc7c800f7c93530d5ecec9cebec7bf · sha256:6e6a481b64705a87… · /containers/cna/affected/0

{"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":"4.1"},{"lessThan":"4.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88cb508c147a41f16976dfe894528fedebbc7c800f7c93530d5ecec9cebec7bf · sha256:6e6a481b64705a87… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"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":"7d4eadee7042d27fcea659fcdd738f463a7d2e70","status":"affected","version":"1b9845081633072c18f30d8cfd09c267adf0b109","versionType":"git"},{"lessThan":"156cac365e27a82b64ae510c5f463fd81f0265b1","status":"affected","version":"1b9845081633072c18f30d8cfd09c267adf0b109","versionType":"git"},{"lessThan":"b14c5e04bd0f722ed631845599d52d03fcae1bc1","status":"affected","version":"1b9845081633072c18f30d8cfd0…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88cb508c147a41f16976dfe894528fedebbc7c800f7c93530d5ecec9cebec7bf · sha256:6e6a481b64705a87… · /containers/cna/affected/0
{"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":"4.1"},{"lessThan":"4.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88cb508c147a41f16976dfe894528fedebbc7c800f7c93530d5ecec9cebec7bf · sha256:6e6a481b64705a87… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/156cac365e27a82b64ae510c5f463fd81f0265b1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88cb508c147a41f16976dfe894528fedebbc7c800f7c93530d5ecec9cebec7bf · sha256:6e6a481b64705a87… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/7d4eadee7042d27fcea659fcdd738f463a7d2e70"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88cb508c147a41f16976dfe894528fedebbc7c800f7c93530d5ecec9cebec7bf · sha256:6e6a481b64705a87… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b14c5e04bd0f722ed631845599d52d03fcae1bc1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88cb508c147a41f16976dfe894528fedebbc7c800f7c93530d5ecec9cebec7bf · sha256:6e6a481b64705a87… · /containers/cna/references/2

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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