Threats Tagged 'cve-2026-89656'
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Threats Tagged 'cve-2026-89656'
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A vulnerability in the Linux kernel's libceph component involving CRUSH bucket ID handling has been resolved. The flaw allowed malformed CRUSH maps to cause out-of-bounds writes in memory by reusing workspace buffers incorrectly. This occurs when the encoded bucket ID does not match the expected array slot, leading to a write past the allocated buffer in bucket_perm_choose(). The fix enforces rejecting buckets with mismatched CRUSH IDs, restoring expected invariants without affecting valid maps. Join the discussion | GCVE Database | 09/11/2026, 21:31:35 UTC Added: 09/12/2026, 00:42:43 UTC |
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