CVE-2026-98879
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: isofs: handle set_blocksize failures isofs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Microsoft Azl3 Kernel
PublishedOct 23, 2026
First seenOct 23, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft azl3_kernel_6.6.157.1-1 | No range specified | — |
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