CVE-2026-97487
What it is
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.
At a glance
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Record status
- Received
References
- https://git.kernel.org/stable/c/05107f5602751fcfd3d108c1f579eb45aabead52
- https://git.kernel.org/stable/c/153374ee67a458c77b5755d3cc57fbdc639d327e
- https://git.kernel.org/stable/c/87d6852f06c5a29f757f7b7ad1423e4cbd0f2cad
- https://git.kernel.org/stable/c/a0ac22af8acca6ea6c57aff72662086cb3243b1c
- https://git.kernel.org/stable/c/a0eaa3f4b6dcc829228752f6255f0e45cc94b273
- https://git.kernel.org/stable/c/deb9400a38849e03210c9169b777e89e74debe96
- https://git.kernel.org/stable/c/e2712fa5c02cd1b3e40d45bc8ce581f3c67bf4b4