Vulnerability 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.
References
- https://git.kernel.org/stable/c/25ef4c4d9f0e96fb89c0ae0d7127c3f12a31bc32
- https://git.kernel.org/stable/c/28d1f6aa14f5924e36602b7a31c9141d34de0b9c
- https://git.kernel.org/stable/c/61f277bf35f533b602984f0e55900111fe52f31a
- https://git.kernel.org/stable/c/6db7f0ba365786304558db6a3d52013ae176e03e
- https://git.kernel.org/stable/c/9584ab6283721e5aab485c79bd06c2f78d89e55c
- https://git.kernel.org/stable/c/9c97e3b1152d3092581745189f5d2f04c6404ef9
- https://git.kernel.org/stable/c/cebde6d88e34396c29f2f001d90e921677cc17d6
FAQ
What is CVE-2026-98879?
CVE-2026-98879 is a documented vulnerability. 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, mounti...
How severe is CVE-2026-98879?
CVSS scoring is not yet available for CVE-2026-98879. Check NVD for updates.
Is there a patch for CVE-2026-98879?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.