CVE-2026-97487jfs: handle set_blocksize failures
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: jfs: handle set_blocksize failures jfs 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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before e2712fa5c02cd1b3e40d45bc8ce581f3c67bf4b4; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before deb9400a38849e03210c9169b777e89e74debe96; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a0eaa3f4b6dcc829228752f6255f0e45cc94b273; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 87d6852f06c5a29f757f7b7ad1423e4cbd0f2cad; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a0ac22af8acca6ea6c57aff72662086cb3243b1c; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 153374ee67a458c77b5755d3cc57fbdc639d327e; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 05107f5602751fcfd3d108c1f579eb45aabead52 | CNA record |
References
- https://git.kernel.org/stable/c/e2712fa5c02cd1b3e40d45bc8ce581f3c67bf4b4
- https://git.kernel.org/stable/c/deb9400a38849e03210c9169b777e89e74debe96
- https://git.kernel.org/stable/c/a0eaa3f4b6dcc829228752f6255f0e45cc94b273
- https://git.kernel.org/stable/c/87d6852f06c5a29f757f7b7ad1423e4cbd0f2cad
- https://git.kernel.org/stable/c/a0ac22af8acca6ea6c57aff72662086cb3243b1c
- https://git.kernel.org/stable/c/153374ee67a458c77b5755d3cc57fbdc639d327e
- https://git.kernel.org/stable/c/05107f5602751fcfd3d108c1f579eb45aabead52
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.