Threats Tagged 'ghsa-ccr8-4v7h-gw2w'
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Threats Tagged 'ghsa-ccr8-4v7h-gw2w'
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A vulnerability in the Linux kernel's device mapper (dm) array code was resolved by improving validation of array block headers during read operations. The function array_block_check() previously validated only block number and checksum, missing other structural fields, which could lead to out-of-bounds reads due to unguarded pointer arithmetic in element_at(). The fix enforces stricter header checks including zero value_size rejection, exact max_entries matching, and ensuring nr_entries fits within expected bounds. Join the discussion | GCVE Database | 09/11/2026, 21:31:32 UTC Added: 09/12/2026, 00:42:55 UTC |
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