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CVE-2026-43187

In the Linux kernel, the following vulnerability has been resolved: xfs: delete attr leaf freemap entries when empty Back in commit 2a2b5932db6758 ("xfs: fix attr leaf header freemap.size underflow"), Brian Foster observed that it's possible for a small freemap at the end of the end of the xattr entries array to experience a size underflow when subtracting the space consumed by an expansion of the entries array. There are only three freemap entries, which means that it is not a complete index
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:22f43705b0eb028b94725fd0a6d679ec579aa699404178707116bbe0a6f9df0d
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/xfs/libxfs/xfs_attr_leaf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","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…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/xfs/libxfs/xfs_attr_leaf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f3c0d1fc1eadbb4adbee5ab7757d41d35f48325b","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"aa9083d97e2157da3c6fb45ddb1a97af7f188f7f","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"a631899025d47ea1aa6464d76db5b4d3b6d196fd","status":"affected","version":"1da177e4c3f41524…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/xfs/libxfs/xfs_attr_leaf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","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…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/xfs/libxfs/xfs_attr_leaf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f3c0d1fc1eadbb4adbee5ab7757d41d35f48325b","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"aa9083d97e2157da3c6fb45ddb1a97af7f188f7f","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"a631899025d47ea1aa6464d76db5b4d3b6d196fd","status":"affected","version":"1da177e4c3f41524…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/479b05fc3ee272090f671b06a41f3da8aa78eece"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/6f13c1d2a6271c2e73226864a0e83de2770b6f34"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/a631899025d47ea1aa6464d76db5b4d3b6d196fd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/aa9083d97e2157da3c6fb45ddb1a97af7f188f7f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e1b8c6452ee99a30e188a88f3f3f804fb1c6004a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/f31a8334e1c54b126fcecf98645a49b6bc5ad399"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/f3c0d1fc1eadbb4adbee5ab7757d41d35f48325b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ffaf5c99d0f862db021fb1af8b813c1416b1beb2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd476908e7d763305b1ba226acf9f31a8b91b23c3c5e607ee2ff49b8da3aab7 · sha256:a25caa4ad40e5c48… · /containers/cna/references/3

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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