CVE-2026-46070High· 7.1▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: md/raid5: validate payload size before accessing journal metadata r5c_recovery_analyze_meta_block() and r5l_recovery_verify_data_checksum_for_mb() iterate over payload…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
md/raid5: validate payload size before accessing journal metadata
r5c_recovery_analyze_meta_block() and r5l_recovery_verify_data_checksum_for_mb() iterate over payloads in a journal metadata block using on-disk payload size fields without validating them against the remaining space in the metadata block.
A corrupted journal contains payload sizes extending beyond the PAGE_SIZE boundary can cause out-of-bounds reads when accessing payload fields or computing offsets.
Add bounds validation for each payload type to ensure the full payload fits within meta_size before processing.
linux_kernel >= 4.10, < 5.10.258linux_kernel >= 5.11, < 5.15.209linux_kernel >= 5.16, < 6.1.175linux_kernel >= 6.2, < 6.6.140linux_kernel >= 6.7, < 6.12.86linux_kernel >= 6.13, < 6.18.27linux_kernel >= 6.19, < 7.0.4Upgrade past the affected range:
linux_kernel 7.0.4Connected by shared product, vendor, weakness, or advisory.
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